diff --git a/packages/arcgis-rest-request/src/index.ts b/packages/arcgis-rest-request/src/index.ts
index d82934251a..4e08d49d04 100644
--- a/packages/arcgis-rest-request/src/index.ts
+++ b/packages/arcgis-rest-request/src/index.ts
@@ -4,8 +4,6 @@
 export * from "./request";
 export * from "./utils/append-custom-params";
 export * from "./utils/ArcGISRequestError";
-export * from "./utils/ArcGISAuthError";
-export * from "./utils/check-for-errors";
 export * from "./utils/clean-url";
 export * from "./utils/encode-form-data";
 export * from "./utils/encode-query-string";
diff --git a/packages/arcgis-rest-request/src/request.ts b/packages/arcgis-rest-request/src/request.ts
index e5825bb2b4..ec291b157f 100644
--- a/packages/arcgis-rest-request/src/request.ts
+++ b/packages/arcgis-rest-request/src/request.ts
@@ -4,11 +4,12 @@
 import { encodeFormData } from "./utils/encode-form-data";
 import { encodeQueryString } from "./utils/encode-query-string";
 import { requiresFormData } from "./utils/process-params";
-import { checkForErrors } from "./utils/check-for-errors";
+// import { checkForErrors } from "./utils/check-for-errors";
 import { ArcGISRequestError } from "./utils/ArcGISRequestError";
 import { IRequestOptions } from "./utils/IRequestOptions";
 import { IParams } from "./utils/IParams";
 import { warn } from "./utils/warn";
+import { IRetryAuthError } from "./utils/retryAuthError";
 
 export const NODEJS_DEFAULT_REFERER_HEADER = `@esri/arcgis-rest-js`;
 
@@ -46,6 +47,119 @@ export function setDefaultRequestOptions(
   DEFAULT_ARCGIS_REQUEST_OPTIONS = options;
 }
 
+export class ArcGISAuthError extends ArcGISRequestError {
+  /**
+   * Create a new `ArcGISAuthError`  object.
+   *
+   * @param message - The error message from the API
+   * @param code - The error code from the API
+   * @param response - The original response from the API that caused the error
+   * @param url - The original url of the request
+   * @param options - The original options of the request
+   */
+  constructor(
+    message = "AUTHENTICATION_ERROR",
+    code: string | number = "AUTHENTICATION_ERROR_CODE",
+    response?: any,
+    url?: string,
+    options?: IRequestOptions
+  ) {
+    super(message, code, response, url, options);
+    this.name = "ArcGISAuthError";
+    this.message =
+      code === "AUTHENTICATION_ERROR_CODE" ? message : `${code}: ${message}`;
+  }
+
+  public retry(getSession: IRetryAuthError, retryLimit = 3) {
+    let tries = 0;
+
+    const retryRequest = (resolve: any, reject: any) => {
+      getSession(this.url, this.options)
+        .then(session => {
+          const newOptions = {
+            ...this.options,
+            ...{ authentication: session }
+          };
+
+          tries = tries + 1;
+          return request(this.url, newOptions);
+        })
+        .then(response => {
+          resolve(response);
+        })
+        .catch(e => {
+          if (e.name === "ArcGISAuthError" && tries < retryLimit) {
+            retryRequest(resolve, reject);
+          } else if (e.name === "ArcGISAuthError" && tries >= retryLimit) {
+            reject(this);
+          } else {
+            reject(e);
+          }
+        });
+    };
+
+    return new Promise((resolve, reject) => {
+      retryRequest(resolve, reject);
+    });
+  }
+}
+
+/**
+ * Checks for errors in a JSON response from the ArcGIS REST API. If there are no errors, it will return the `data` passed in. If there is an error, it will throw an `ArcGISRequestError` or `ArcGISAuthError`.
+ *
+ * @param data The response JSON to check for errors.
+ * @param url The url of the original request
+ * @param params The parameters of the original request
+ * @param options The options of the original request
+ * @returns The data that was passed in the `data` parameter
+ */
+export function checkForErrors(
+  response: any,
+  url?: string,
+  params?: IParams,
+  options?: IRequestOptions
+): any {
+  // this is an error message from billing.arcgis.com backend
+  if (response.code >= 400) {
+    const { message, code } = response;
+    throw new ArcGISRequestError(message, code, response, url, options);
+  }
+
+  // error from ArcGIS Online or an ArcGIS Portal or server instance.
+  if (response.error) {
+    const { message, code, messageCode } = response.error;
+    const errorCode = messageCode || code || "UNKNOWN_ERROR_CODE";
+
+    if (
+      code === 498 ||
+      code === 499 ||
+      messageCode === "GWM_0003" ||
+      (code === 400 && message === "Unable to generate token.")
+    ) {
+      throw new ArcGISAuthError(message, errorCode, response, url, options);
+    }
+
+    throw new ArcGISRequestError(message, errorCode, response, url, options);
+  }
+
+  // error from a status check
+  if (response.status === "failed" || response.status === "failure") {
+    let message: string;
+    let code: string = "UNKNOWN_ERROR_CODE";
+
+    try {
+      message = JSON.parse(response.statusMessage).message;
+      code = JSON.parse(response.statusMessage).code;
+    } catch (e) {
+      message = response.statusMessage || response.message;
+    }
+
+    throw new ArcGISRequestError(message, code, response, url, options);
+  }
+
+  return response;
+}
+
 /**
  * ```js
  * import { request } from '@esri/arcgis-rest-request';
diff --git a/packages/arcgis-rest-request/src/utils/ArcGISAuthError.ts b/packages/arcgis-rest-request/src/utils/ArcGISAuthError.ts
deleted file mode 100644
index 37f5bd681c..0000000000
--- a/packages/arcgis-rest-request/src/utils/ArcGISAuthError.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-import { ArcGISRequestError } from "./ArcGISRequestError";
-import { IRetryAuthError } from "./retryAuthError";
-import { IRequestOptions } from "./IRequestOptions";
-import { request } from "../request";
-
-export class ArcGISAuthError extends ArcGISRequestError {
-  /**
-   * Create a new `ArcGISAuthError`  object.
-   *
-   * @param message - The error message from the API
-   * @param code - The error code from the API
-   * @param response - The original response from the API that caused the error
-   * @param url - The original url of the request
-   * @param options - The original options of the request
-   */
-  constructor(
-    message = "AUTHENTICATION_ERROR",
-    code: string | number = "AUTHENTICATION_ERROR_CODE",
-    response?: any,
-    url?: string,
-    options?: IRequestOptions
-  ) {
-    super(message, code, response, url, options);
-    this.name = "ArcGISAuthError";
-    this.message =
-      code === "AUTHENTICATION_ERROR_CODE" ? message : `${code}: ${message}`;
-  }
-
-  public retry(getSession: IRetryAuthError, retryLimit = 3) {
-    let tries = 0;
-
-    const retryRequest = (resolve: any, reject: any) => {
-      getSession(this.url, this.options)
-        .then(session => {
-          const newOptions = {
-            ...this.options,
-            ...{ authentication: session }
-          };
-
-          tries = tries + 1;
-          return request(this.url, newOptions);
-        })
-        .then(response => {
-          resolve(response);
-        })
-        .catch(e => {
-          if (e.name === "ArcGISAuthError" && tries < retryLimit) {
-            retryRequest(resolve, reject);
-          } else if (e.name === "ArcGISAuthError" && tries >= retryLimit) {
-            reject(this);
-          } else {
-            reject(e);
-          }
-        });
-    };
-
-    return new Promise((resolve, reject) => {
-      retryRequest(resolve, reject);
-    });
-  }
-}
diff --git a/packages/arcgis-rest-request/src/utils/check-for-errors.ts b/packages/arcgis-rest-request/src/utils/check-for-errors.ts
deleted file mode 100644
index 6604ada9d8..0000000000
--- a/packages/arcgis-rest-request/src/utils/check-for-errors.ts
+++ /dev/null
@@ -1,60 +0,0 @@
-import { ArcGISRequestError } from "./ArcGISRequestError";
-import { ArcGISAuthError } from "./ArcGISAuthError";
-import { IRequestOptions } from "./IRequestOptions";
-import { IParams } from "./IParams";
-
-/**
- * Checks for errors in a JSON response from the ArcGIS REST API. If there are no errors, it will return the `data` passed in. If there is an error, it will throw an `ArcGISRequestError` or `ArcGISAuthError`.
- *
- * @param data The response JSON to check for errors.
- * @param url The url of the original request
- * @param params The parameters of the original request
- * @param options The options of the original request
- * @returns The data that was passed in the `data` parameter
- */
-export function checkForErrors(
-  response: any,
-  url?: string,
-  params?: IParams,
-  options?: IRequestOptions
-): any {
-  // this is an error message from billing.arcgis.com backend
-  if (response.code >= 400) {
-    const { message, code } = response;
-    throw new ArcGISRequestError(message, code, response, url, options);
-  }
-
-  // error from ArcGIS Online or an ArcGIS Portal or server instance.
-  if (response.error) {
-    const { message, code, messageCode } = response.error;
-    const errorCode = messageCode || code || "UNKNOWN_ERROR_CODE";
-
-    if (
-      code === 498 ||
-      code === 499 ||
-      messageCode === "GWM_0003" ||
-      (code === 400 && message === "Unable to generate token.")
-    ) {
-      throw new ArcGISAuthError(message, errorCode, response, url, options);
-    }
-
-    throw new ArcGISRequestError(message, errorCode, response, url, options);
-  }
-
-  // error from a status check
-  if (response.status === "failed" || response.status === "failure") {
-    let message: string;
-    let code: string = "UNKNOWN_ERROR_CODE";
-
-    try {
-      message = JSON.parse(response.statusMessage).message;
-      code = JSON.parse(response.statusMessage).code;
-    } catch (e) {
-      message = response.statusMessage || response.message;
-    }
-
-    throw new ArcGISRequestError(message, code, response, url, options);
-  }
-
-  return response;
-}