diff --git a/sdk/storagecache/arm-storagecache/LICENSE.txt b/sdk/storagecache/arm-storagecache/LICENSE.txt
index b73b4a1293c3..ea8fb1516028 100644
--- a/sdk/storagecache/arm-storagecache/LICENSE.txt
+++ b/sdk/storagecache/arm-storagecache/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2019 Microsoft
+Copyright (c) 2020 Microsoft
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/sdk/storagecache/arm-storagecache/src/models/index.ts b/sdk/storagecache/arm-storagecache/src/models/index.ts
index bbf65c8327db..0c94a5902c2b 100644
--- a/sdk/storagecache/arm-storagecache/src/models/index.ts
+++ b/sdk/storagecache/arm-storagecache/src/models/index.ts
@@ -727,31 +727,6 @@ export type CachesListByResourceGroupResponse = CachesListResult & {
     };
 };
 
-/**
- * Contains response data for the deleteMethod operation.
- */
-export type CachesDeleteMethodResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
 /**
  * Contains response data for the get operation.
  */
@@ -812,131 +787,6 @@ export type CachesUpdateResponse = Cache & {
     };
 };
 
-/**
- * Contains response data for the flush operation.
- */
-export type CachesFlushResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the start operation.
- */
-export type CachesStartResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the stop operation.
- */
-export type CachesStopResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the upgradeFirmware operation.
- */
-export type CachesUpgradeFirmwareResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the beginDeleteMethod operation.
- */
-export type CachesBeginDeleteMethodResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
 /**
  * Contains response data for the beginCreateOrUpdate operation.
  */
@@ -957,106 +807,6 @@ export type CachesBeginCreateOrUpdateResponse = Cache & {
     };
 };
 
-/**
- * Contains response data for the beginFlush operation.
- */
-export type CachesBeginFlushResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the beginStart operation.
- */
-export type CachesBeginStartResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the beginStop operation.
- */
-export type CachesBeginStopResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
-/**
- * Contains response data for the beginUpgradeFirmware operation.
- */
-export type CachesBeginUpgradeFirmwareResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
 /**
  * Contains response data for the listNext operation.
  */
@@ -1117,31 +867,6 @@ export type StorageTargetsListByCacheResponse = StorageTargetsResult & {
     };
 };
 
-/**
- * Contains response data for the deleteMethod operation.
- */
-export type StorageTargetsDeleteMethodResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
 /**
  * Contains response data for the get operation.
  */
@@ -1182,31 +907,6 @@ export type StorageTargetsCreateOrUpdateResponse = StorageTarget & {
     };
 };
 
-/**
- * Contains response data for the beginDeleteMethod operation.
- */
-export type StorageTargetsBeginDeleteMethodResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
-  /**
-   * The underlying HTTP response.
-   */
-  _response: msRest.HttpResponse & {
-      /**
-       * The response body as text (string format)
-       */
-      bodyAsText: string;
-
-      /**
-       * The response body as parsed JSON or XML
-       */
-      parsedBody: any;
-    };
-};
-
 /**
  * Contains response data for the beginCreateOrUpdate operation.
  */
diff --git a/sdk/storagecache/arm-storagecache/src/operations/caches.ts b/sdk/storagecache/arm-storagecache/src/operations/caches.ts
index 5e7f325983e6..3b96be15f7eb 100644
--- a/sdk/storagecache/arm-storagecache/src/operations/caches.ts
+++ b/sdk/storagecache/arm-storagecache/src/operations/caches.ts
@@ -84,11 +84,11 @@ export class Caches {
    * @param resourceGroupName Target resource group.
    * @param cacheName Name of Cache.
    * @param [options] The optional parameters
-   * @returns Promise<Models.CachesDeleteMethodResponse>
+   * @returns Promise<msRest.RestResponse>
    */
-  deleteMethod(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<Models.CachesDeleteMethodResponse> {
+  deleteMethod(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
     return this.beginDeleteMethod(resourceGroupName,cacheName,options)
-      .then(lroPoller => lroPoller.pollUntilFinished()) as Promise<Models.CachesDeleteMethodResponse>;
+      .then(lroPoller => lroPoller.pollUntilFinished());
   }
 
   /**
@@ -173,11 +173,11 @@ export class Caches {
    * @param resourceGroupName Target resource group.
    * @param cacheName Name of Cache.
    * @param [options] The optional parameters
-   * @returns Promise<Models.CachesFlushResponse>
+   * @returns Promise<msRest.RestResponse>
    */
-  flush(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<Models.CachesFlushResponse> {
+  flush(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
     return this.beginFlush(resourceGroupName,cacheName,options)
-      .then(lroPoller => lroPoller.pollUntilFinished()) as Promise<Models.CachesFlushResponse>;
+      .then(lroPoller => lroPoller.pollUntilFinished());
   }
 
   /**
@@ -185,11 +185,11 @@ export class Caches {
    * @param resourceGroupName Target resource group.
    * @param cacheName Name of Cache.
    * @param [options] The optional parameters
-   * @returns Promise<Models.CachesStartResponse>
+   * @returns Promise<msRest.RestResponse>
    */
-  start(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<Models.CachesStartResponse> {
+  start(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
     return this.beginStart(resourceGroupName,cacheName,options)
-      .then(lroPoller => lroPoller.pollUntilFinished()) as Promise<Models.CachesStartResponse>;
+      .then(lroPoller => lroPoller.pollUntilFinished());
   }
 
   /**
@@ -197,11 +197,11 @@ export class Caches {
    * @param resourceGroupName Target resource group.
    * @param cacheName Name of Cache.
    * @param [options] The optional parameters
-   * @returns Promise<Models.CachesStopResponse>
+   * @returns Promise<msRest.RestResponse>
    */
-  stop(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<Models.CachesStopResponse> {
+  stop(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
     return this.beginStop(resourceGroupName,cacheName,options)
-      .then(lroPoller => lroPoller.pollUntilFinished()) as Promise<Models.CachesStopResponse>;
+      .then(lroPoller => lroPoller.pollUntilFinished());
   }
 
   /**
@@ -210,11 +210,11 @@ export class Caches {
    * @param resourceGroupName Target resource group.
    * @param cacheName Name of Cache.
    * @param [options] The optional parameters
-   * @returns Promise<Models.CachesUpgradeFirmwareResponse>
+   * @returns Promise<msRest.RestResponse>
    */
-  upgradeFirmware(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<Models.CachesUpgradeFirmwareResponse> {
+  upgradeFirmware(resourceGroupName: string, cacheName: string, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
     return this.beginUpgradeFirmware(resourceGroupName,cacheName,options)
-      .then(lroPoller => lroPoller.pollUntilFinished()) as Promise<Models.CachesUpgradeFirmwareResponse>;
+      .then(lroPoller => lroPoller.pollUntilFinished());
   }
 
   /**
@@ -505,30 +505,9 @@ const beginDeleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    200: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    202: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    204: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
+    200: {},
+    202: {},
+    204: {},
     default: {
       bodyMapper: Mappers.CloudError
     }
@@ -586,30 +565,9 @@ const beginFlushOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    200: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    202: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    204: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
+    200: {},
+    202: {},
+    204: {},
     default: {
       bodyMapper: Mappers.CloudError
     }
@@ -632,30 +590,9 @@ const beginStartOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    200: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    202: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    204: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
+    200: {},
+    202: {},
+    204: {},
     default: {
       bodyMapper: Mappers.CloudError
     }
@@ -678,30 +615,9 @@ const beginStopOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    200: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    202: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    204: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
+    200: {},
+    202: {},
+    204: {},
     default: {
       bodyMapper: Mappers.CloudError
     }
@@ -724,30 +640,9 @@ const beginUpgradeFirmwareOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    201: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    202: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    204: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
+    201: {},
+    202: {},
+    204: {},
     default: {
       bodyMapper: Mappers.CloudError
     }
diff --git a/sdk/storagecache/arm-storagecache/src/operations/storageTargets.ts b/sdk/storagecache/arm-storagecache/src/operations/storageTargets.ts
index 1ddfa9e9befd..b7d7e4b6c420 100644
--- a/sdk/storagecache/arm-storagecache/src/operations/storageTargets.ts
+++ b/sdk/storagecache/arm-storagecache/src/operations/storageTargets.ts
@@ -68,11 +68,11 @@ export class StorageTargets {
    * @param cacheName Name of Cache.
    * @param storageTargetName Name of Storage Target.
    * @param [options] The optional parameters
-   * @returns Promise<Models.StorageTargetsDeleteMethodResponse>
+   * @returns Promise<msRest.RestResponse>
    */
-  deleteMethod(resourceGroupName: string, cacheName: string, storageTargetName: string, options?: msRest.RequestOptionsBase): Promise<Models.StorageTargetsDeleteMethodResponse> {
+  deleteMethod(resourceGroupName: string, cacheName: string, storageTargetName: string, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
     return this.beginDeleteMethod(resourceGroupName,cacheName,storageTargetName,options)
-      .then(lroPoller => lroPoller.pollUntilFinished()) as Promise<Models.StorageTargetsDeleteMethodResponse>;
+      .then(lroPoller => lroPoller.pollUntilFinished());
   }
 
   /**
@@ -269,30 +269,9 @@ const beginDeleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.acceptLanguage
   ],
   responses: {
-    200: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    202: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
-    204: {
-      bodyMapper: {
-        serializedName: "parsedResponse",
-        type: {
-          name: "Object"
-        }
-      }
-    },
+    200: {},
+    202: {},
+    204: {},
     default: {
       bodyMapper: Mappers.CloudError
     }