From 38529514aef0b60c9be90ca7d84617fe56f41f22 Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 08:01:56 -0700
Subject: [PATCH 1/7] test: config inside client instantiation

---
 .../v2-to-v3/__fixtures__/config/client.input.js           | 5 +++++
 .../v2-to-v3/__fixtures__/config/client.output.js          | 7 +++++++
 2 files changed, 12 insertions(+)
 create mode 100644 src/transforms/v2-to-v3/__fixtures__/config/client.input.js
 create mode 100644 src/transforms/v2-to-v3/__fixtures__/config/client.output.js

diff --git a/src/transforms/v2-to-v3/__fixtures__/config/client.input.js b/src/transforms/v2-to-v3/__fixtures__/config/client.input.js
new file mode 100644
index 000000000..bcaa8caf2
--- /dev/null
+++ b/src/transforms/v2-to-v3/__fixtures__/config/client.input.js
@@ -0,0 +1,5 @@
+import AWS from "aws-sdk";
+
+const client = new AWS.DynamoDB({
+  correctClockSkew: true
+});
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/config/client.output.js b/src/transforms/v2-to-v3/__fixtures__/config/client.output.js
new file mode 100644
index 000000000..2ee63db30
--- /dev/null
+++ b/src/transforms/v2-to-v3/__fixtures__/config/client.output.js
@@ -0,0 +1,7 @@
+import { DynamoDB } from "@aws-sdk/client-dynamodb";
+
+const client = new DynamoDB({
+  // The key correctClockSkew is no longer supported in v3, and can be removed.
+  // @deprecated The clock skew correction is applied by default.
+  correctClockSkew: true
+});
\ No newline at end of file

From 408470a48951d3dae2ae4d8e7c04c221dedaaf2d Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 08:06:37 -0700
Subject: [PATCH 2/7] Add utility getNewClientExpression

---
 .../v2-to-v3/client-instances/getNewClientExpression.ts    | 7 +++++++
 .../v2-to-v3/client-instances/replaceClientCreation.ts     | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts

diff --git a/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts b/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts
new file mode 100644
index 000000000..f775efad5
--- /dev/null
+++ b/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts
@@ -0,0 +1,7 @@
+import { ASTPath, JSCodeshift, NewExpression } from "jscodeshift";
+
+export const getNewClientExpression = (
+  j: JSCodeshift,
+  clientName: string,
+  v2ClientNewExpression: ASTPath<NewExpression>
+) => j.newExpression(j.identifier(clientName), v2ClientNewExpression.node.arguments);
diff --git a/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts b/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts
index eb99ff89e..ba50eb4b2 100644
--- a/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts
+++ b/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts
@@ -1,5 +1,6 @@
 import { Collection, JSCodeshift } from "jscodeshift";
 import { getClientNewExpression } from "../utils";
+import { getNewClientExpression } from "./getNewClientExpression";
 
 export interface ReplaceClientCreationOptions {
   v2ClientName: string;
@@ -20,13 +21,13 @@ export const replaceClientCreation = (
     source
       .find(j.NewExpression, getClientNewExpression({ v2GlobalName, v2ClientName }))
       .replaceWith((v2ClientNewExpression) =>
-        j.newExpression(j.identifier(clientName), v2ClientNewExpression.node.arguments)
+        getNewClientExpression(j, clientName, v2ClientNewExpression)
       );
   }
 
   source
     .find(j.NewExpression, getClientNewExpression({ v2ClientName, v2ClientLocalName }))
     .replaceWith((v2ClientNewExpression) =>
-      j.newExpression(j.identifier(clientName), v2ClientNewExpression.node.arguments)
+      getNewClientExpression(j, clientName, v2ClientNewExpression)
     );
 };

From 0c6a4e84ffbbd0a4dc98d1e09662d000bdb949fa Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 08:41:54 -0700
Subject: [PATCH 3/7] Transform config inside client initialization

---
 .../getNewClientExpression.ts                 | 14 +++-
 .../getObjectWithUpdatedAwsConfigKeys.ts      | 79 +++++++++----------
 .../client-instances/replaceClientCreation.ts | 12 +--
 3 files changed, 58 insertions(+), 47 deletions(-)

diff --git a/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts b/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts
index f775efad5..8c3325bc0 100644
--- a/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts
+++ b/src/transforms/v2-to-v3/client-instances/getNewClientExpression.ts
@@ -1,7 +1,19 @@
 import { ASTPath, JSCodeshift, NewExpression } from "jscodeshift";
+import { getObjectWithUpdatedAwsConfigKeys } from "./getObjectWithUpdatedAwsConfigKeys";
 
 export const getNewClientExpression = (
   j: JSCodeshift,
   clientName: string,
   v2ClientNewExpression: ASTPath<NewExpression>
-) => j.newExpression(j.identifier(clientName), v2ClientNewExpression.node.arguments);
+) => {
+  const newClientArguments = [];
+
+  const v2ClientArguments = v2ClientNewExpression.node.arguments;
+  if (v2ClientArguments.length === 1 && v2ClientArguments[0].type === "ObjectExpression") {
+    newClientArguments.push(getObjectWithUpdatedAwsConfigKeys(j, v2ClientArguments[0]));
+  } else {
+    newClientArguments.push(...v2ClientArguments);
+  }
+
+  return j.newExpression(j.identifier(clientName), newClientArguments);
+};
diff --git a/src/transforms/v2-to-v3/client-instances/getObjectWithUpdatedAwsConfigKeys.ts b/src/transforms/v2-to-v3/client-instances/getObjectWithUpdatedAwsConfigKeys.ts
index e073bff83..70ed869b3 100644
--- a/src/transforms/v2-to-v3/client-instances/getObjectWithUpdatedAwsConfigKeys.ts
+++ b/src/transforms/v2-to-v3/client-instances/getObjectWithUpdatedAwsConfigKeys.ts
@@ -16,52 +16,51 @@ const getCodemodUnsuppportedComments = (keyName: string) => [
 export const getObjectWithUpdatedAwsConfigKeys = (
   j: JSCodeshift,
   objectExpression: ObjectExpression
-) => {
-  objectExpression.properties = objectExpression.properties.map((property) => {
-    if (!OBJECT_PROPERTY_TYPE_LIST.includes(property.type)) {
-      return property;
-    }
+) =>
+  j.objectExpression(
+    objectExpression.properties.map((property) => {
+      if (!OBJECT_PROPERTY_TYPE_LIST.includes(property.type)) {
+        return property;
+      }
 
-    const propertyKey = (property as Property | ObjectProperty).key;
-    if (propertyKey.type !== "Identifier") {
-      return property;
-    }
+      const propertyKey = (property as Property | ObjectProperty).key;
+      if (propertyKey.type !== "Identifier") {
+        return property;
+      }
 
-    const awsConfigKeyStatus = AWS_CONFIG_KEY_MAP[propertyKey.name];
+      const awsConfigKeyStatus = AWS_CONFIG_KEY_MAP[propertyKey.name];
 
-    if (!awsConfigKeyStatus) {
-      property.comments = property.comments || [];
-      for (const commentLine of getCodemodUnsuppportedComments(propertyKey.name)) {
-        property.comments.push(j.commentLine(commentLine));
+      if (!awsConfigKeyStatus) {
+        property.comments = property.comments || [];
+        for (const commentLine of getCodemodUnsuppportedComments(propertyKey.name)) {
+          property.comments.push(j.commentLine(commentLine));
+        }
+        return property;
       }
-      return property;
-    }
 
-    if (awsConfigKeyStatus.newKeyName) {
-      property.comments = property.comments || [];
-      property.comments.push(
-        j.commentLine(getRenameComment(propertyKey.name, awsConfigKeyStatus.newKeyName))
-      );
-      propertyKey.name = awsConfigKeyStatus.newKeyName;
-    }
-
-    if (awsConfigKeyStatus.description) {
-      property.comments = property.comments || [];
-      for (const commentLine of awsConfigKeyStatus.description.split("\n")) {
-        property.comments.push(j.commentLine(` ${commentLine}`));
+      if (awsConfigKeyStatus.newKeyName) {
+        property.comments = property.comments || [];
+        property.comments.push(
+          j.commentLine(getRenameComment(propertyKey.name, awsConfigKeyStatus.newKeyName))
+        );
+        propertyKey.name = awsConfigKeyStatus.newKeyName;
       }
-    }
 
-    if (awsConfigKeyStatus.deprecationMessage) {
-      property.comments = property.comments || [];
-      property.comments.push(j.commentLine(getUnsuppportedComment(propertyKey.name)));
-      property.comments.push(
-        j.commentLine(` @deprecated ${awsConfigKeyStatus.deprecationMessage}`)
-      );
-    }
+      if (awsConfigKeyStatus.description) {
+        property.comments = property.comments || [];
+        for (const commentLine of awsConfigKeyStatus.description.split("\n")) {
+          property.comments.push(j.commentLine(` ${commentLine}`));
+        }
+      }
 
-    return property;
-  });
+      if (awsConfigKeyStatus.deprecationMessage) {
+        property.comments = property.comments || [];
+        property.comments.push(j.commentLine(getUnsuppportedComment(propertyKey.name)));
+        property.comments.push(
+          j.commentLine(` @deprecated ${awsConfigKeyStatus.deprecationMessage}`)
+        );
+      }
 
-  return objectExpression;
-};
+      return property;
+    })
+  );
diff --git a/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts b/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts
index ba50eb4b2..122c925ae 100644
--- a/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts
+++ b/src/transforms/v2-to-v3/client-instances/replaceClientCreation.ts
@@ -17,6 +17,12 @@ export const replaceClientCreation = (
 ): void => {
   const clientName = v2ClientName === v2ClientLocalName ? v3ClientName : v2ClientLocalName;
 
+  source
+    .find(j.NewExpression, getClientNewExpression({ v2ClientName, v2ClientLocalName }))
+    .replaceWith((v2ClientNewExpression) =>
+      getNewClientExpression(j, clientName, v2ClientNewExpression)
+    );
+
   if (v2GlobalName) {
     source
       .find(j.NewExpression, getClientNewExpression({ v2GlobalName, v2ClientName }))
@@ -24,10 +30,4 @@ export const replaceClientCreation = (
         getNewClientExpression(j, clientName, v2ClientNewExpression)
       );
   }
-
-  source
-    .find(j.NewExpression, getClientNewExpression({ v2ClientName, v2ClientLocalName }))
-    .replaceWith((v2ClientNewExpression) =>
-      getNewClientExpression(j, clientName, v2ClientNewExpression)
-    );
 };

From 4561b1ebcb87ce003c2c2190b88a85567f744e21 Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 08:43:08 -0700
Subject: [PATCH 4/7] chore: yarn changeset

---
 .changeset/calm-carrots-cheat.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/calm-carrots-cheat.md

diff --git a/.changeset/calm-carrots-cheat.md b/.changeset/calm-carrots-cheat.md
new file mode 100644
index 000000000..bd7dedc25
--- /dev/null
+++ b/.changeset/calm-carrots-cheat.md
@@ -0,0 +1,5 @@
+---
+"aws-sdk-js-codemod": patch
+---
+
+Transform config inside client initialization

From cbb61d5561f2615e99501060840014128fe5b43e Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 08:55:24 -0700
Subject: [PATCH 5/7] test: remove config from api-input-output-type

---
 .../api-input-output-type/global-import-equals.input.ts     | 6 +++---
 .../api-input-output-type/global-import-equals.output.ts    | 6 +++---
 .../api-input-output-type/global-import.input.ts            | 6 +++---
 .../api-input-output-type/global-import.output.ts           | 6 +++---
 .../api-input-output-type/service-import-deep.input.ts      | 6 +++---
 .../api-input-output-type/service-import-deep.output.ts     | 6 +++---
 .../api-input-output-type/service-import-equals.input.ts    | 6 +++---
 .../api-input-output-type/service-import-equals.output.ts   | 6 +++---
 .../api-input-output-type/service-import.input.ts           | 6 +++---
 .../api-input-output-type/service-import.output.ts          | 6 +++---
 10 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.input.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.input.ts
index 558ea9ff1..a23d0672f 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.input.ts
@@ -1,18 +1,18 @@
 import AWS = require("aws-sdk");
 
-const ddbClient = new AWS.DynamoDB({ region: "us-west-2" });
+const ddbClient = new AWS.DynamoDB();
 const listTablesInput: AWS.DynamoDB.ListTablesInput = { Limit: 10 };
 const listTablesOutput: AWS.DynamoDB.ListTablesOutput = await ddbClient
   .listTables(listTablesInput)
   .promise();
 
-const stsClient = new AWS.STS({ region: "us-west-2" });
+const stsClient = new AWS.STS();
 const getCallerIdentityInput: AWS.STS.GetCallerIdentityRequest = {};
 const getCallerIdentityOutput: AWS.STS.GetCallerIdentityResponse = await stsClient
   .getCallerIdentity(getCallerIdentityInput)
   .promise();
 
-const lambdaClient = new AWS.Lambda({ region: "us-west-2" });
+const lambdaClient = new AWS.Lambda();
 const invokeInput: AWS.Lambda.InvocationRequest = { FunctionName: "my-function" };
 const invokeOutput: AWS.Lambda.InvocationResponse = await lambdaClient
   .invoke(invokeInput)
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.output.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.output.ts
index 9c22bbc97..4b9ccc1f6 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import-equals.output.ts
@@ -11,17 +11,17 @@ import STS = AWS_client_sts.STS;
 import GetCallerIdentityCommandOutput = AWS_client_sts.GetCallerIdentityCommandOutput;
 import GetCallerIdentityCommandInput = AWS_client_sts.GetCallerIdentityCommandInput;
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: ListTablesCommandInput = { Limit: 10 };
 const listTablesOutput: ListTablesCommandOutput = await ddbClient
   .listTables(listTablesInput);
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: GetCallerIdentityCommandInput = {};
 const getCallerIdentityOutput: GetCallerIdentityCommandOutput = await stsClient
   .getCallerIdentity(getCallerIdentityInput);
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: InvokeCommandInput = { FunctionName: "my-function" };
 const invokeOutput: InvokeCommandOutput = await lambdaClient
   .invoke(invokeInput);
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.input.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.input.ts
index 4b125ca53..77b97a50a 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.input.ts
@@ -1,18 +1,18 @@
 import AWS from "aws-sdk";
 
-const ddbClient = new AWS.DynamoDB({ region: "us-west-2" });
+const ddbClient = new AWS.DynamoDB();
 const listTablesInput: AWS.DynamoDB.ListTablesInput = { Limit: 10 };
 const listTablesOutput: AWS.DynamoDB.ListTablesOutput = await ddbClient
   .listTables(listTablesInput)
   .promise();
 
-const stsClient = new AWS.STS({ region: "us-west-2" });
+const stsClient = new AWS.STS();
 const getCallerIdentityInput: AWS.STS.GetCallerIdentityRequest = {};
 const getCallerIdentityOutput: AWS.STS.GetCallerIdentityResponse = await stsClient
   .getCallerIdentity(getCallerIdentityInput)
   .promise();
   
-const lambdaClient = new AWS.Lambda({ region: "us-west-2" });
+const lambdaClient = new AWS.Lambda();
 const invokeInput: AWS.Lambda.InvocationRequest = { FunctionName: "my-function" };
 const invokeOutput: AWS.Lambda.InvocationResponse = await lambdaClient
   .invoke(invokeInput)
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.output.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.output.ts
index dd50c18d5..606d75fce 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.output.ts
@@ -2,17 +2,17 @@ import { DynamoDB, ListTablesCommandInput, ListTablesCommandOutput } from "@aws-
 import { InvokeCommandInput, InvokeCommandOutput, Lambda } from "@aws-sdk/client-lambda";
 import { GetCallerIdentityCommandInput, GetCallerIdentityCommandOutput, STS } from "@aws-sdk/client-sts";
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: ListTablesCommandInput = { Limit: 10 };
 const listTablesOutput: ListTablesCommandOutput = await ddbClient
   .listTables(listTablesInput);
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: GetCallerIdentityCommandInput = {};
 const getCallerIdentityOutput: GetCallerIdentityCommandOutput = await stsClient
   .getCallerIdentity(getCallerIdentityInput);
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: InvokeCommandInput = { FunctionName: "my-function" };
 const invokeOutput: InvokeCommandOutput = await lambdaClient
   .invoke(invokeInput);
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.input.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.input.ts
index f184f7354..e5053152c 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.input.ts
@@ -2,19 +2,19 @@ import DynamoDB, { ListTablesInput, ListTablesOutput } from "aws-sdk/clients/dyn
 import Lambda, { InvocationRequest, InvocationResponse } from "aws-sdk/clients/lambda";
 import STS, { GetCallerIdentityRequest, GetCallerIdentityResponse } from "aws-sdk/clients/sts";
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: ListTablesInput = { Limit: 10 };
 const listTablesOutput: ListTablesOutput = await ddbClient
   .listTables(listTablesInput)
   .promise();
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: GetCallerIdentityRequest = {};
 const getCallerIdentityOutput: GetCallerIdentityResponse = await stsClient
   .getCallerIdentity(getCallerIdentityInput)
   .promise();
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: InvocationRequest = { FunctionName: "my-function" };
 const invokeOutput: InvocationResponse = await lambdaClient
   .invoke(invokeInput)
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.output.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.output.ts
index dd50c18d5..606d75fce 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.output.ts
@@ -2,17 +2,17 @@ import { DynamoDB, ListTablesCommandInput, ListTablesCommandOutput } from "@aws-
 import { InvokeCommandInput, InvokeCommandOutput, Lambda } from "@aws-sdk/client-lambda";
 import { GetCallerIdentityCommandInput, GetCallerIdentityCommandOutput, STS } from "@aws-sdk/client-sts";
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: ListTablesCommandInput = { Limit: 10 };
 const listTablesOutput: ListTablesCommandOutput = await ddbClient
   .listTables(listTablesInput);
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: GetCallerIdentityCommandInput = {};
 const getCallerIdentityOutput: GetCallerIdentityCommandOutput = await stsClient
   .getCallerIdentity(getCallerIdentityInput);
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: InvokeCommandInput = { FunctionName: "my-function" };
 const invokeOutput: InvokeCommandOutput = await lambdaClient
   .invoke(invokeInput);
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.input.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.input.ts
index 778eb5057..e70093f19 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.input.ts
@@ -2,19 +2,19 @@ import DynamoDB = require("aws-sdk/clients/dynamodb");
 import Lambda = require("aws-sdk/clients/lambda");
 import STS = require("aws-sdk/clients/sts");
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: DynamoDB.ListTablesInput = { Limit: 10 };
 const listTablesOutput: DynamoDB.ListTablesOutput = await ddbClient
   .listTables(listTablesInput)
   .promise();
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: STS.GetCallerIdentityRequest = {};
 const getCallerIdentityOutput: STS.GetCallerIdentityResponse = await stsClient
   .getCallerIdentity(getCallerIdentityInput)
   .promise();
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: Lambda.InvocationRequest = { FunctionName: "my-function" };
 const invokeOutput: Lambda.InvocationResponse = await lambdaClient
   .invoke(invokeInput)
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.output.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.output.ts
index 9c22bbc97..4b9ccc1f6 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-equals.output.ts
@@ -11,17 +11,17 @@ import STS = AWS_client_sts.STS;
 import GetCallerIdentityCommandOutput = AWS_client_sts.GetCallerIdentityCommandOutput;
 import GetCallerIdentityCommandInput = AWS_client_sts.GetCallerIdentityCommandInput;
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: ListTablesCommandInput = { Limit: 10 };
 const listTablesOutput: ListTablesCommandOutput = await ddbClient
   .listTables(listTablesInput);
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: GetCallerIdentityCommandInput = {};
 const getCallerIdentityOutput: GetCallerIdentityCommandOutput = await stsClient
   .getCallerIdentity(getCallerIdentityInput);
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: InvokeCommandInput = { FunctionName: "my-function" };
 const invokeOutput: InvokeCommandOutput = await lambdaClient
   .invoke(invokeInput);
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.input.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.input.ts
index 2aa4a555f..4e9fe21a4 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.input.ts
@@ -1,18 +1,18 @@
 import { DynamoDB, Lambda, STS } from "aws-sdk";
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: DynamoDB.ListTablesInput = { Limit: 10 };
 const listTablesOutput: DynamoDB.ListTablesOutput = await ddbClient
   .listTables(listTablesInput)
   .promise();
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: STS.GetCallerIdentityRequest = {};
 const getCallerIdentityOutput: STS.GetCallerIdentityResponse = await stsClient
   .getCallerIdentity(getCallerIdentityInput)
   .promise();
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: Lambda.InvocationRequest = { FunctionName: "my-function" };
 const invokeOutput: Lambda.InvocationResponse = await lambdaClient
   .invoke(invokeInput)
diff --git a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.output.ts b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.output.ts
index dd50c18d5..606d75fce 100644
--- a/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.output.ts
@@ -2,17 +2,17 @@ import { DynamoDB, ListTablesCommandInput, ListTablesCommandOutput } from "@aws-
 import { InvokeCommandInput, InvokeCommandOutput, Lambda } from "@aws-sdk/client-lambda";
 import { GetCallerIdentityCommandInput, GetCallerIdentityCommandOutput, STS } from "@aws-sdk/client-sts";
 
-const ddbClient = new DynamoDB({ region: "us-west-2" });
+const ddbClient = new DynamoDB();
 const listTablesInput: ListTablesCommandInput = { Limit: 10 };
 const listTablesOutput: ListTablesCommandOutput = await ddbClient
   .listTables(listTablesInput);
 
-const stsClient = new STS({ region: "us-west-2" });
+const stsClient = new STS();
 const getCallerIdentityInput: GetCallerIdentityCommandInput = {};
 const getCallerIdentityOutput: GetCallerIdentityCommandOutput = await stsClient
   .getCallerIdentity(getCallerIdentityInput);
 
-const lambdaClient = new Lambda({ region: "us-west-2" });
+const lambdaClient = new Lambda();
 const invokeInput: InvokeCommandInput = { FunctionName: "my-function" };
 const invokeOutput: InvokeCommandOutput = await lambdaClient
   .invoke(invokeInput);
\ No newline at end of file

From 4a1697676e666587c1325cd65f2e4fc9de76d7bd Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 09:02:05 -0700
Subject: [PATCH 6/7] test: remove config from s3-upload

---
 .../v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.input.js  | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.output.js | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/callback.input.js           | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/callback.output.js          | 2 +-
 .../__fixtures__/s3-upload/global-import-equals.input.ts        | 2 +-
 .../__fixtures__/s3-upload/global-import-equals.output.ts       | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/global-import.input.js      | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/global-import.output.js     | 2 +-
 .../__fixtures__/s3-upload/global-require-property.input.js     | 2 +-
 .../__fixtures__/s3-upload/global-require-property.output.js    | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/global-require.input.js     | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/global-require.output.js    | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/not-s3-client.input.js      | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/not-s3-client.output.js     | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/options-identifier.input.js | 2 +-
 .../__fixtures__/s3-upload/options-identifier.output.js         | 2 +-
 src/transforms/v2-to-v3/__fixtures__/s3-upload/options.input.js | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/options.output.js           | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/param-identifier.input.js   | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/param-identifier.output.js  | 2 +-
 .../__fixtures__/s3-upload/service-import-deep.input.js         | 2 +-
 .../__fixtures__/s3-upload/service-import-deep.output.js        | 2 +-
 .../__fixtures__/s3-upload/service-import-equals.input.ts       | 2 +-
 .../__fixtures__/s3-upload/service-import-equals.output.ts      | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/service-import.input.js     | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/service-import.output.js    | 2 +-
 .../__fixtures__/s3-upload/service-require-deep.input.js        | 2 +-
 .../__fixtures__/s3-upload/service-require-deep.output.js       | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/service-require.input.js    | 2 +-
 .../v2-to-v3/__fixtures__/s3-upload/service-require.output.js   | 2 +-
 30 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.input.js
index 2e9799fa4..0c9ecc202 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.input.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 const uploadParams = {
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.output.js
index 9bffe81b8..6cc2cb855 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback-arrow-fn.output.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 const uploadParams = {
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.input.js
index e743a2c90..328c600f2 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.input.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 const uploadParams = {
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.output.js
index 3f8715942..cb915c1c9 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/callback.output.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 const uploadParams = {
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.input.ts b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.input.ts
index 3d4b81951..7e582ca45 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.input.ts
@@ -1,6 +1,6 @@
 import AWS = require("aws-sdk");
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.output.ts b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.output.ts
index b726bf0b0..5b55078a7 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import-equals.output.ts
@@ -3,7 +3,7 @@ import Upload = AWS_lib_storage.Upload;
 import AWS_client_s3 = require("@aws-sdk/client-s3");
 import S3 = AWS_client_s3.S3;
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.input.js
index 9455cc234..4ab3db25d 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.input.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.output.js
index 2857da279..8488c4be7 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-import.output.js
@@ -1,7 +1,7 @@
 import { Upload } from "@aws-sdk/lib-storage";
 import { S3 } from "@aws-sdk/client-s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.input.js
index 96bfce0bb..14a5c2bb3 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.input.js
@@ -1,6 +1,6 @@
 const S3 = require("aws-sdk").S3;
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.output.js
index 29fb64113..d9ce6694e 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require-property.output.js
@@ -6,7 +6,7 @@ const {
   S3
 } = require("@aws-sdk/client-s3");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.input.js
index 3cc6ab644..74ecf0a97 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.input.js
@@ -1,6 +1,6 @@
 const AWS = require("aws-sdk");
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.output.js
index 29fb64113..d9ce6694e 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/global-require.output.js
@@ -6,7 +6,7 @@ const {
   S3
 } = require("@aws-sdk/client-s3");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.input.js
index 3c87bf461..4831f75df 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.input.js
@@ -1,5 +1,5 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.DynamoDB({ region: "REGION" });
+const client = new AWS.DynamoDB();
 // Used for testing. DynamoDB does not have upload API.
 await client.upload({}).promise();
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.output.js
index cf3077e8b..e3cddc350 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/not-s3-client.output.js
@@ -1,5 +1,5 @@
 import { DynamoDB } from "@aws-sdk/client-dynamodb";
 
-const client = new DynamoDB({ region: "REGION" });
+const client = new DynamoDB();
 // Used for testing. DynamoDB does not have upload API.
 await client.upload({});
\ No newline at end of file
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.input.js
index 8d63e9c95..a3161918e 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.input.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 const uploadParams = {
   Body: "BODY",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.output.js
index 4d848a404..35615d6d0 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options-identifier.output.js
@@ -1,7 +1,7 @@
 import { Upload } from "@aws-sdk/lib-storage";
 import { S3 } from "@aws-sdk/client-s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 const uploadParams = {
   Body: "BODY",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.input.js
index 3b98dd294..0810482ae 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.input.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 await client
   .upload(
     {
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.output.js
index 6979ba9fd..6c462e944 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/options.output.js
@@ -1,7 +1,7 @@
 import { Upload } from "@aws-sdk/lib-storage";
 import { S3 } from "@aws-sdk/client-s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.input.js
index 3c9370178..5348ebe13 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.input.js
@@ -1,6 +1,6 @@
 import AWS from "aws-sdk";
 
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 const uploadParams = {
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.output.js
index 8d9cd63c6..fdb55ce3a 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/param-identifier.output.js
@@ -1,7 +1,7 @@
 import { Upload } from "@aws-sdk/lib-storage";
 import { S3 } from "@aws-sdk/client-s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 const uploadParams = {
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.input.js
index 97edff266..858d32720 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.input.js
@@ -1,6 +1,6 @@
 import S3 from "aws-sdk/clients/s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.output.js
index 2857da279..8488c4be7 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-deep.output.js
@@ -1,7 +1,7 @@
 import { Upload } from "@aws-sdk/lib-storage";
 import { S3 } from "@aws-sdk/client-s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.input.ts b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.input.ts
index 3ba1ac4dd..89ec7d946 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.input.ts
@@ -1,6 +1,6 @@
 import S3 = require("aws-sdk/clients/s3");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.output.ts b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.output.ts
index b726bf0b0..5b55078a7 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import-equals.output.ts
@@ -3,7 +3,7 @@ import Upload = AWS_lib_storage.Upload;
 import AWS_client_s3 = require("@aws-sdk/client-s3");
 import S3 = AWS_client_s3.S3;
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.input.js
index bd1a529c1..6a4dd46fd 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.input.js
@@ -1,6 +1,6 @@
 import { S3 } from "aws-sdk";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.output.js
index 2857da279..8488c4be7 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-import.output.js
@@ -1,7 +1,7 @@
 import { Upload } from "@aws-sdk/lib-storage";
 import { S3 } from "@aws-sdk/client-s3";
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.input.js
index f09b2d44b..ce1880528 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.input.js
@@ -1,6 +1,6 @@
 const S3 = require("aws-sdk/clients/s3");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.output.js
index 29fb64113..d9ce6694e 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require-deep.output.js
@@ -6,7 +6,7 @@ const {
   S3
 } = require("@aws-sdk/client-s3");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.input.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.input.js
index 92c291736..881dfeda9 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.input.js
@@ -1,6 +1,6 @@
 const { S3 } = require("aws-sdk");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await client.upload({
   Body: "BODY",
   Bucket: "Bucket",
diff --git a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.output.js b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.output.js
index 29fb64113..d9ce6694e 100644
--- a/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/s3-upload/service-require.output.js
@@ -6,7 +6,7 @@ const {
   S3
 } = require("@aws-sdk/client-s3");
 
-const client = new S3({ region: "REGION" });
+const client = new S3();
 await new Upload({
   client,
 

From 47ddf7a84e852c1d343e8ab776575e11f4dcf3ad Mon Sep 17 00:00:00 2001
From: "Kamat, Trivikram" <16024985+trivikr@users.noreply.github.com>
Date: Thu, 26 Oct 2023 09:04:08 -0700
Subject: [PATCH 7/7] test: remove config from waiters

---
 .../v2-to-v3/__fixtures__/waiters/callback-arrow-fn.input.js    | 2 +-
 .../v2-to-v3/__fixtures__/waiters/callback-arrow-fn.output.js   | 2 +-
 src/transforms/v2-to-v3/__fixtures__/waiters/callback.input.js  | 2 +-
 src/transforms/v2-to-v3/__fixtures__/waiters/callback.output.js | 2 +-
 .../__fixtures__/waiters/config-delay-max-attempts.input.js     | 2 +-
 .../__fixtures__/waiters/config-delay-max-attempts.output.js    | 2 +-
 .../v2-to-v3/__fixtures__/waiters/config-delay.input.js         | 2 +-
 .../v2-to-v3/__fixtures__/waiters/config-delay.output.js        | 2 +-
 .../v2-to-v3/__fixtures__/waiters/config-max-attempts.input.js  | 2 +-
 .../v2-to-v3/__fixtures__/waiters/config-max-attempts.output.js | 2 +-
 .../v2-to-v3/__fixtures__/waiters/global-import-equals.input.ts | 2 +-
 .../__fixtures__/waiters/global-import-equals.output.ts         | 2 +-
 .../v2-to-v3/__fixtures__/waiters/global-import.input.js        | 2 +-
 .../v2-to-v3/__fixtures__/waiters/global-import.output.js       | 2 +-
 .../__fixtures__/waiters/global-require-property.input.js       | 2 +-
 .../__fixtures__/waiters/global-require-property.output.js      | 2 +-
 .../v2-to-v3/__fixtures__/waiters/global-require.input.js       | 2 +-
 .../v2-to-v3/__fixtures__/waiters/global-require.output.js      | 2 +-
 .../v2-to-v3/__fixtures__/waiters/multiple-waiters.input.js     | 2 +-
 .../v2-to-v3/__fixtures__/waiters/multiple-waiters.output.js    | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-import-deep.input.js  | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-import-deep.output.js | 2 +-
 .../__fixtures__/waiters/service-import-equals.input.ts         | 2 +-
 .../__fixtures__/waiters/service-import-equals.output.ts        | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-import.input.js       | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-import.output.js      | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-require-deep.input.js | 2 +-
 .../__fixtures__/waiters/service-require-deep.output.js         | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-require.input.js      | 2 +-
 .../v2-to-v3/__fixtures__/waiters/service-require.output.js     | 2 +-
 30 files changed, 30 insertions(+), 30 deletions(-)

diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.input.js
index 7d7fc0c11..497f1949f 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 client.waitFor("bucketExists", { Bucket }, (err, data) => {
   if (err) console.log(err, err.stack); // an error occurred
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.output.js
index 71f5d07e8..20b3991c6 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/callback-arrow-fn.output.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 // Waiters with callbacks are not supported in AWS SDK for JavaScript (v3).
 // Please convert to `await client.waitFor(state, params).promise()`, and re-run aws-sdk-js-codemod.
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/callback.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/callback.input.js
index a1385436f..5e5bbbcdb 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/callback.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/callback.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 client.waitFor("bucketExists", { Bucket }, function (err, data) {
   if (err) console.log(err, err.stack); // an error occurred
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/callback.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/callback.output.js
index a7d0bd269..eac7d46ae 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/callback.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/callback.output.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 // Waiters with callbacks are not supported in AWS SDK for JavaScript (v3).
 // Please convert to `await client.waitFor(state, params).promise()`, and re-run aws-sdk-js-codemod.
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.input.js
index cf2a969c5..ce58250c8 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.output.js
index 8878949ac..139225063 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay-max-attempts.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.input.js
index 1fad84e4c..3f7f1826c 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.output.js
index 6581cdea4..5b96d0ea3 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/config-delay.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.input.js
index 77747b12e..824c14e96 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.output.js
index 881f390f1..9b2538b6d 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/config-max-attempts.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.input.ts b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.input.ts
index ce184b996..57c1152f9 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.input.ts
@@ -1,7 +1,7 @@
 import AWS = require("aws-sdk");
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.output.ts b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.output.ts
index 50e0e0f64..e7f2c4086 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import-equals.output.ts
@@ -3,7 +3,7 @@ import waitUntilBucketExists = AWS_client_s3.waitUntilBucketExists;
 import S3 = AWS_client_s3.S3;
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.input.js
index d77707fa5..fef2fc5f4 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.output.js
index 672644352..0b1b59abc 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-import.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.input.js
index 7276eb9eb..4d25b4687 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.input.js
@@ -1,7 +1,7 @@
 const S3 = require("aws-sdk").S3;
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.output.js
index e508862f7..c7e5c9f56 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require-property.output.js
@@ -4,7 +4,7 @@ const {
 } = require("@aws-sdk/client-s3");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.input.js
index 95a64eebc..9a7b8b8db 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.input.js
@@ -1,7 +1,7 @@
 const AWS = require("aws-sdk");
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.output.js
index e508862f7..c7e5c9f56 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/global-require.output.js
@@ -4,7 +4,7 @@ const {
 } = require("@aws-sdk/client-s3");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.input.js
index 7d7edcf71..6038fc70a 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.input.js
@@ -1,7 +1,7 @@
 import AWS from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new AWS.S3({ region: "REGION" });
+const client = new AWS.S3();
 
 await client.waitFor("bucketNotExists", { Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.output.js
index f34b7164b..6ce09a0a5 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/multiple-waiters.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists, waitUntilBucketNotExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await waitUntilBucketNotExists({
   client,
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.input.js
index 87d5d4cd5..c63506b64 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.input.js
@@ -1,7 +1,7 @@
 import S3 from "aws-sdk/clients/s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.output.js
index 672644352..0b1b59abc 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-deep.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.input.ts b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.input.ts
index 1bff8c08b..46810d526 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.input.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.input.ts
@@ -1,7 +1,7 @@
 import S3 = require("aws-sdk/clients/s3");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.output.ts b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.output.ts
index 50e0e0f64..e7f2c4086 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.output.ts
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import-equals.output.ts
@@ -3,7 +3,7 @@ import waitUntilBucketExists = AWS_client_s3.waitUntilBucketExists;
 import S3 = AWS_client_s3.S3;
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.input.js
index 2e5e9f9b4..6f61b3591 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.input.js
@@ -1,7 +1,7 @@
 import { S3 } from "aws-sdk";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.output.js
index 672644352..0b1b59abc 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-import.output.js
@@ -1,7 +1,7 @@
 import { S3, waitUntilBucketExists } from "@aws-sdk/client-s3";
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.input.js
index 23f0be29e..fff200b55 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.input.js
@@ -1,7 +1,7 @@
 const S3 = require("aws-sdk/clients/s3");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.output.js
index e508862f7..c7e5c9f56 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require-deep.output.js
@@ -4,7 +4,7 @@ const {
 } = require("@aws-sdk/client-s3");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.input.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.input.js
index 6cc50f5ab..1dc345d18 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.input.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.input.js
@@ -1,7 +1,7 @@
 const { S3 } = require("aws-sdk");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket }).promise();
 
diff --git a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.output.js b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.output.js
index e508862f7..c7e5c9f56 100644
--- a/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.output.js
+++ b/src/transforms/v2-to-v3/__fixtures__/waiters/service-require.output.js
@@ -4,7 +4,7 @@ const {
 } = require("@aws-sdk/client-s3");
 
 const Bucket = "BUCKET_NAME";
-const client = new S3({ region: "REGION" });
+const client = new S3();
 
 await client.createBucket({ Bucket });