diff --git a/sdk/cosmosdb/cosmos/.eslintrc.json b/sdk/cosmosdb/cosmos/.eslintrc.json
index 189e66aa5366..58f0d08ee19c 100644
--- a/sdk/cosmosdb/cosmos/.eslintrc.json
+++ b/sdk/cosmosdb/cosmos/.eslintrc.json
@@ -1,5 +1,5 @@
 {
-  "plugins": ["@azure/azure-sdk", "@typescript-eslint/tslint"],
+  "plugins": ["@azure/azure-sdk"],
   "extends": ["plugin:@azure/azure-sdk/recommended"],
   "parserOptions": {
     "createDefaultProgram": true
@@ -19,15 +19,6 @@
     "@azure/azure-sdk/ts-package-json-module": "warn",
     "@azure/azure-sdk/ts-doc-internal": "warn",
     // https://github.com/benmosher/eslint-plugin-import/issues/1816
-    "import/no-extraneous-dependencies": "off",
-    "@typescript-eslint/tslint/config": [
-      "error",
-      {
-        "rules": {
-          "import-blacklist": [true, "assert", "util"],
-          "no-floating-promises": true
-        }
-      }
-    ]
+    "import/no-extraneous-dependencies": "off"
   }
 }
diff --git a/sdk/cosmosdb/cosmos/dev.md b/sdk/cosmosdb/cosmos/dev.md
index 22abfabbc52b..406b672254cb 100644
--- a/sdk/cosmosdb/cosmos/dev.md
+++ b/sdk/cosmosdb/cosmos/dev.md
@@ -30,7 +30,7 @@ available via `npm run-script`:
   clean
     rimraf lib
   lint
-    tslint --project tsconfig.json
+    eslint package.json api-extractor.json src samples --ext .ts
   format
     prettier --write --config .prettierrc.json "src/**/*.ts"
   check-format
diff --git a/sdk/cosmosdb/cosmos/package.json b/sdk/cosmosdb/cosmos/package.json
index d7912495cd5b..fce9d7b80122 100644
--- a/sdk/cosmosdb/cosmos/package.json
+++ b/sdk/cosmosdb/cosmos/package.json
@@ -52,7 +52,7 @@
     "build:src": "echo Using TypeScript && tsc --version && tsc -b --pretty",
     "build:test": "tsc",
     "build:types": "downlevel-dts dist/types/latest dist/types/3.1",
-    "build": "npm run clean && tslint --project ./tsconfig.json && npm run extract-api && npm run build:types && node writeSDKVersion.js && npm run bundle",
+    "build": "npm run clean && npm run extract-api && npm run build:types && node writeSDKVersion.js && npm run bundle",
     "bundle": "rollup -c",
     "bundle-types": "node bundle-types.js",
     "check-format": "prettier --list-different --config ../../../.prettierrc.json --ignore-path ../../../.prettierignore \"src/**/*.ts\" \"test/**/*.ts\" \"*.{js,json}\"",
@@ -116,7 +116,6 @@
     "@types/tunnel": "^0.0.1",
     "@types/underscore": "^1.8.8",
     "@types/uuid": "^8.0.0",
-    "@typescript-eslint/eslint-plugin-tslint": "^4.8.1",
     "cross-env": "^7.0.2",
     "dotenv": "^8.2.0",
     "downlevel-dts": "~0.4.0",
@@ -135,8 +134,6 @@
     "snap-shot-it": "^7.9.1",
     "source-map-support": "^0.5.9",
     "ts-node": "^8.3.0",
-    "tslint": "^5.0.0",
-    "tslint-config-prettier": "^1.14.0",
     "typedoc": "0.15.2",
     "typescript": "4.1.2"
   }
diff --git a/sdk/cosmosdb/cosmos/samples/.eslintrc.json b/sdk/cosmosdb/cosmos/samples/.eslintrc.json
index 94fc5dea8250..5b6ad8bd47db 100644
--- a/sdk/cosmosdb/cosmos/samples/.eslintrc.json
+++ b/sdk/cosmosdb/cosmos/samples/.eslintrc.json
@@ -1,5 +1,5 @@
 {
-  "plugins": ["@azure/azure-sdk", "@typescript-eslint/tslint"],
+  "plugins": ["@azure/azure-sdk"],
   "extends": ["plugin:@azure/azure-sdk/recommended"],
   "parserOptions": {
     "createDefaultProgram": true
@@ -10,15 +10,6 @@
     "dot-notation": "off",
     "some-rule": "off",
     // ChangeFeed.ts has problems with this rule
-    "no-irregular-whitespace": "off",
-    "@typescript-eslint/tslint/config": [
-      "error",
-      {
-        "rules": {
-          "import-blacklist": [true, "assert", "util"],
-          "no-floating-promises": true
-        }
-      }
-    ]
+    "no-irregular-whitespace": "off"
   }
 }
diff --git a/sdk/cosmosdb/cosmos/samples/DatabaseManagement.ts b/sdk/cosmosdb/cosmos/samples/DatabaseManagement.ts
index 3fc82d673677..7b1f14658dec 100644
--- a/sdk/cosmosdb/cosmos/samples/DatabaseManagement.ts
+++ b/sdk/cosmosdb/cosmos/samples/DatabaseManagement.ts
@@ -3,7 +3,6 @@
 import { handleError, logStep, logSampleHeader, finish } from "./Shared/handleError";
 import { CosmosClient } from "../dist";
 import { endpoint, key, database as databaseId } from "./Shared/config";
-// eslint-disable-next-line @typescript-eslint/tslint/config
 import assert from "assert";
 
 logSampleHeader("Database Management");
diff --git a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/ConflictWorker.ts b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/ConflictWorker.ts
index fef4810b6f6f..906e732abc17 100644
--- a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/ConflictWorker.ts
+++ b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/ConflictWorker.ts
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
-// tslint:disable:no-console
+
 import { v4 as guid } from "uuid";
 import {
   CosmosClient,
diff --git a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/Worker.ts b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/Worker.ts
index 5a4daffedb5a..3bab7a4ba258 100644
--- a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/Worker.ts
+++ b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/Worker.ts
@@ -3,7 +3,6 @@
 import { v4 as guid } from "uuid";
 import { Container } from "../../dist";
 
-// tslint:disable:no-console
 export class Worker {
   constructor(private readonly regionName: string, private readonly container: Container) {}
 
diff --git a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/app.ts b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/app.ts
index 806d0b04e409..8ccc011f3e0e 100644
--- a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/app.ts
+++ b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/app.ts
@@ -2,7 +2,6 @@
 // Licensed under the MIT license.
 import { MultiRegionWriteScenario } from "./MultiRegionWriteScenario";
 
-// tslint:disable:no-console
 async function run(): Promise<void> {
   const scenarios = new MultiRegionWriteScenario();
   await scenarios.init();
diff --git a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/config.ts b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/config.ts
index 1f2a0479ed97..dc22c83f7fe1 100644
--- a/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/config.ts
+++ b/sdk/cosmosdb/cosmos/samples/MultiRegionWrite/config.ts
@@ -4,7 +4,6 @@ const endpoint = process.env["endpoint"];
 const key = process.env["key"];
 
 if (!endpoint || !key) {
-  // tslint:disable-next-line:no-console
   console.error("Missing endpoint and key environment variables. Exiting...");
   process.exit(1);
 }
diff --git a/sdk/cosmosdb/cosmos/src/CosmosClient.ts b/sdk/cosmosdb/cosmos/src/CosmosClient.ts
index 8eb31a1faec5..baa4e67ea9f6 100644
--- a/sdk/cosmosdb/cosmos/src/CosmosClient.ts
+++ b/sdk/cosmosdb/cosmos/src/CosmosClient.ts
@@ -58,7 +58,7 @@ export class CosmosClient {
    * Creates a new {@link CosmosClient} object. See {@link CosmosClientOptions} for more details on what options you can use.
    * @param options - bag of options; require at least endpoint and auth to be configured
    */
-  constructor(options: CosmosClientOptions); // tslint:disable-line:unified-signatures
+  constructor(options: CosmosClientOptions);
   constructor(optionsOrConnectionString: string | CosmosClientOptions) {
     if (typeof optionsOrConnectionString === "string") {
       optionsOrConnectionString = parseConnectionString(optionsOrConnectionString);
diff --git a/sdk/cosmosdb/cosmos/src/queryExecutionContext/documentProducer.ts b/sdk/cosmosdb/cosmos/src/queryExecutionContext/documentProducer.ts
index e8d941ccd12b..5505c966f9a1 100644
--- a/sdk/cosmosdb/cosmos/src/queryExecutionContext/documentProducer.ts
+++ b/sdk/cosmosdb/cosmos/src/queryExecutionContext/documentProducer.ts
@@ -59,7 +59,6 @@ export class DocumentProducer {
     this.continuationToken = undefined;
     this.respHeaders = getInitialHeader();
 
-    // tslint:disable-next-line:no-shadowed-variable
     this.internalExecutionContext = new DefaultQueryExecutionContext(options, this.fetchFunction);
   }
   /**
diff --git a/sdk/cosmosdb/cosmos/src/queryMetrics/runtimeExecutionTimes.ts b/sdk/cosmosdb/cosmos/src/queryMetrics/runtimeExecutionTimes.ts
index b77dbb056f00..e7b4156d868d 100644
--- a/sdk/cosmosdb/cosmos/src/queryMetrics/runtimeExecutionTimes.ts
+++ b/sdk/cosmosdb/cosmos/src/queryMetrics/runtimeExecutionTimes.ts
@@ -46,12 +46,10 @@ export class RuntimeExecutionTimes {
    * Output the RuntimeExecutionTimes as a delimited string.
    */
   public toDelimitedString(): string {
-    // tslint:disable-next-line:max-line-length
     return (
       `${
         QueryMetricsConstants.SystemFunctionExecuteTimeInMs
       }=${this.systemFunctionExecutionTime.totalMilliseconds()};` +
-      // tslint:disable-next-line:max-line-length
       `${
         QueryMetricsConstants.UserDefinedFunctionExecutionTimeInMs
       }=${this.userDefinedFunctionExecutionTime.totalMilliseconds()}`
diff --git a/sdk/cosmosdb/cosmos/src/queryMetrics/timeSpan.ts b/sdk/cosmosdb/cosmos/src/queryMetrics/timeSpan.ts
index e53b01b0f3eb..e7eae1a1cb4e 100644
--- a/sdk/cosmosdb/cosmos/src/queryMetrics/timeSpan.ts
+++ b/sdk/cosmosdb/cosmos/src/queryMetrics/timeSpan.ts
@@ -55,7 +55,6 @@ const minMilliSeconds = Number.MIN_SAFE_INTEGER / ticksPerMillisecond;
  * @hidden
  */
 export class TimeSpan {
-  // tslint:disable-next-line:variable-name
   protected _ticks: number;
   constructor(days: number, hours: number, minutes: number, seconds: number, milliseconds: number) {
     // Constructor
diff --git a/sdk/cosmosdb/cosmos/src/request/defaultAgent.ts b/sdk/cosmosdb/cosmos/src/request/defaultAgent.ts
index bb3cad366876..94ad8acb1ff9 100644
--- a/sdk/cosmosdb/cosmos/src/request/defaultAgent.ts
+++ b/sdk/cosmosdb/cosmos/src/request/defaultAgent.ts
@@ -7,9 +7,7 @@ import { Agent } from "http";
  */
 export let defaultHttpsAgent: Agent;
 
-// tslint:disable-next-line:no-var-requires
 const https = require("https"); // eslint-disable-line @typescript-eslint/no-require-imports
-// tslint:disable-next-line:no-var-requires
 const tls = require("tls"); // eslint-disable-line @typescript-eslint/no-require-imports
 
 // minVersion only available in Node 10+
@@ -25,7 +23,6 @@ if (tls.DEFAULT_MIN_VERSION) {
     secureProtocol: "TLSv1_2_method"
   });
 }
-// tslint:disable-next-line:no-var-requires
 const http = require("http"); // eslint-disable-line @typescript-eslint/no-require-imports
 /**
  * @internal
diff --git a/sdk/cosmosdb/cosmos/src/routing/QueryRange.ts b/sdk/cosmosdb/cosmos/src/routing/QueryRange.ts
index 923ad00875b7..0cb52dd33921 100644
--- a/sdk/cosmosdb/cosmos/src/routing/QueryRange.ts
+++ b/sdk/cosmosdb/cosmos/src/routing/QueryRange.ts
@@ -32,7 +32,6 @@ export class QueryRange {
     this.isMaxInclusive = isMaxInclusive;
   }
   public overlaps(other: QueryRange): boolean {
-    // tslint:disable-next-line:no-this-assignment
     const range1 = this; // eslint-disable-line @typescript-eslint/no-this-alias
     const range2 = other;
     if (range1 === undefined || range2 === undefined) {
diff --git a/sdk/cosmosdb/cosmos/src/utils/globalCrypto.native.ts b/sdk/cosmosdb/cosmos/src/utils/globalCrypto.native.ts
index 8a7795c2700f..db9582b8fbf1 100644
--- a/sdk/cosmosdb/cosmos/src/utils/globalCrypto.native.ts
+++ b/sdk/cosmosdb/cosmos/src/utils/globalCrypto.native.ts
@@ -4,6 +4,5 @@
 // isomorphic-webcrypto is not listed as a dependency in package.json because
 // doing so requires adding a bunch of react packages as peer dependencies. So,
 // it is being loaded dynamically here to not cause compiler error.
-// tslint:disable-next-line:no-var-requires
 const globalCrypto = require("isomorphic-webcrypto"); // eslint-disable-line import/no-extraneous-dependencies, @typescript-eslint/no-require-imports
 export { globalCrypto };
diff --git a/sdk/cosmosdb/cosmos/test/.eslintrc.json b/sdk/cosmosdb/cosmos/test/.eslintrc.json
index f46384bde412..150383183916 100644
--- a/sdk/cosmosdb/cosmos/test/.eslintrc.json
+++ b/sdk/cosmosdb/cosmos/test/.eslintrc.json
@@ -3,14 +3,6 @@
   "rules": {
     "no-console": "off",
     "no-invalid-this": "off",
-    "space-before-function-paren": "off",
-    "@typescript-eslint/tslint/config": [
-      "error",
-      {
-        "rules": {
-          "no-implicit-dependencies": [true, "dev"]
-        }
-      }
-    ]
+    "space-before-function-paren": "off"
   }
 }
diff --git a/sdk/cosmosdb/cosmos/test/public/functional/sproc.spec.ts b/sdk/cosmosdb/cosmos/test/public/functional/sproc.spec.ts
index fc076bb4cb47..69f4c9c0f8a6 100644
--- a/sdk/cosmosdb/cosmos/test/public/functional/sproc.spec.ts
+++ b/sdk/cosmosdb/cosmos/test/public/functional/sproc.spec.ts
@@ -97,11 +97,6 @@ describe("NodeJS CRUD Tests", function() {
     });
 
     it("nativeApi should do stored procedure operations successfully with create/replace", async function() {
-      // tslint:disable:no-var-keyword
-      // tslint:disable:prefer-const
-      // tslint:disable:curly
-      // tslint:disable:no-string-throw
-      // tslint:disable:object-literal-shorthand
       const sproc1: StoredProcedureDefinition = {
         id: "storedProcedure1",
         body: function() {
@@ -138,12 +133,6 @@ describe("NodeJS CRUD Tests", function() {
         }
       };
 
-      // tslint:enable:no-var-keyword
-      // tslint:enable:prefer-const
-      // tslint:enable:curly
-      // tslint:enable:no-string-throw
-      // tslint:enable:object-literal-shorthand
-
       const { resource: retrievedSproc } = await container.scripts.storedProcedures.create(sproc1);
       const { resource: result } = await container.scripts
         .storedProcedure(retrievedSproc.id)
@@ -178,12 +167,6 @@ describe("NodeJS CRUD Tests", function() {
     });
     const container = await database.container(containerResult.id);
 
-    // tslint:disable:no-var-keyword
-    // tslint:disable:prefer-const
-    // tslint:disable:curly
-    // tslint:disable:no-string-throw
-    // tslint:disable:no-shadowed-variable
-    // tslint:disable:object-literal-shorthand
     const querySproc = {
       id: "querySproc",
       body: function() {
@@ -204,12 +187,6 @@ describe("NodeJS CRUD Tests", function() {
         if (!accept) throw "Unable to read player details, abort ";
       }
     };
-    // tslint:enable:no-var-keyword
-    // tslint:enable:prefer-const
-    // tslint:enable:curly
-    // tslint:enable:no-string-throw
-    // tslint:enable:no-shadowed-variable
-    // tslint:enable:object-literal-shorthand
 
     const documents = [
       { id: "document1" },
@@ -246,12 +223,6 @@ describe("NodeJS CRUD Tests", function() {
     });
 
     const container = await database.container(containerResult.id);
-
-    // tslint:disable:curly
-    // tslint:disable:no-string-throw
-    // tslint:disable:no-shadowed-variable
-    // tslint:disable:one-line
-    // tslint:disable:object-literal-shorthand
     const sproc1 = {
       id: "storedProcedure",
       body: function() {
@@ -270,12 +241,6 @@ describe("NodeJS CRUD Tests", function() {
       }
     };
 
-    // tslint:enable:curly
-    // tslint:enable:no-string-throw
-    // tslint:enable:no-shadowed-variable
-    // tslint:enable:one-line
-    // tslint:enable:object-literal-shorthand
-
     const { resource: retrievedSproc } = await container.scripts.storedProcedures.create(sproc1);
     const { resource: result1, headers: headers1 } = await container.scripts
       .storedProcedure(retrievedSproc.id)
diff --git a/sdk/cosmosdb/cosmos/test/public/functional/trigger.spec.ts b/sdk/cosmosdb/cosmos/test/public/functional/trigger.spec.ts
index 22630dd1ceb5..4a1f4ad875e5 100644
--- a/sdk/cosmosdb/cosmos/test/public/functional/trigger.spec.ts
+++ b/sdk/cosmosdb/cosmos/test/public/functional/trigger.spec.ts
@@ -27,16 +27,12 @@ describe("NodeJS CRUD Tests", function() {
 
       // create a trigger
       const beforeCreateTriggersCount = triggers.length;
-      // tslint:disable:no-var-keyword
-      // tslint:disable:prefer-const
       const triggerDefinition: TriggerDefinition = {
         id: "sample trigger",
         body: "serverScript() { var x = 10; }",
         triggerType: TriggerType.Pre,
         triggerOperation: TriggerOperation.All
       };
-      // tslint:enable:no-var-keyword
-      // tslint:enable:prefer-const
 
       const { resource: trigger } = await container.scripts.triggers.create(triggerDefinition);
 
@@ -99,11 +95,6 @@ describe("NodeJS CRUD Tests", function() {
     const triggers: TriggerDefinition[] = [
       {
         id: "t1",
-        // tslint:disable:no-var-keyword
-        // tslint:disable:prefer-const
-        // tslint:disable:curly
-        // tslint:disable:no-string-throw
-        // tslint:disable:object-literal-shorthand
         body: function() {
           const item = getContext()
             .getRequest()
@@ -158,11 +149,6 @@ describe("NodeJS CRUD Tests", function() {
         triggerOperation: TriggerOperation.Delete
       }
     ];
-    // tslint:enable:no-var-keyword
-    // tslint:enable:prefer-const
-    // tslint:enable:curly
-    // tslint:enable:no-string-throw
-    // tslint:enable:object-literal-shorthand
 
     it("should do trigger operations successfully with create", async function() {
       for (const trigger of triggers) {
diff --git a/sdk/cosmosdb/cosmos/tslint.json b/sdk/cosmosdb/cosmos/tslint.json
deleted file mode 100644
index 9b4159a873f9..000000000000
--- a/sdk/cosmosdb/cosmos/tslint.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "extends": ["tslint:recommended", "tslint-config-prettier"],
-  "exclude": "./node_modules",
-  "rules": {
-    "interface-name": false,
-    "ordered-imports": false,
-    "no-string-literal": false,
-    "object-literal-sort-keys": false,
-    "member-ordering": false, // TODO: might want to look at this eventually...
-    "no-floating-promises": true,
-    "import-blacklist": [true, "assert", "util"],
-    "no-unnecessary-class": true,
-    "no-invalid-this": true,
-    "no-console": false,
-    "no-bitwise": false
-  },
-  "linterOptions": {
-    "exclude": ["*.json"]
-  }
-}