diff --git a/src/Common/Constants.ts b/src/Common/Constants.ts
index 372e06d76..2c211f041 100644
--- a/src/Common/Constants.ts
+++ b/src/Common/Constants.ts
@@ -340,7 +340,6 @@ export class HttpHeaders {
   public static partitionKey: string = "x-ms-documentdb-partitionkey";
   public static migrateOfferToManualThroughput: string = "x-ms-cosmos-migrate-offer-to-manual-throughput";
   public static migrateOfferToAutopilot: string = "x-ms-cosmos-migrate-offer-to-autopilot";
-  public static mongoFixedCollectionWithSharedThroughput: string = "InsertSystemPartitionKey";
 }
 
 export class ApiType {
diff --git a/src/Common/MongoProxyClient.test.ts b/src/Common/MongoProxyClient.test.ts
index a6324c2af..f5e15d1a0 100644
--- a/src/Common/MongoProxyClient.test.ts
+++ b/src/Common/MongoProxyClient.test.ts
@@ -259,8 +259,7 @@ describe("MongoProxyClient", () => {
         sid: "a2",
         rg: "c1",
         dba: "main",
-        is: false,
-        isFixedCollectionWithSharedThroughputBeingCreated: true
+        is: false
       };
       _createMongoCollectionWithARM("management.azure.com", properties, { "x-ms-cosmos-offer-autopilot-tier": "1" });
       expect(resourceProviderClientPutAsyncSpy).toHaveBeenCalledWith(
@@ -268,7 +267,7 @@ describe("MongoProxyClient", () => {
         "2020-04-01",
         {
           properties: {
-            options: { "x-ms-cosmos-offer-autopilot-tier": "1", InsertSystemPartitionKey: "true" },
+            options: { "x-ms-cosmos-offer-autopilot-tier": "1" },
             resource: { id: "abc-collection" }
           }
         }
@@ -286,8 +285,7 @@ describe("MongoProxyClient", () => {
         rg: "c1",
         dba: "main",
         is: false,
-        offerThroughput: 400,
-        isFixedCollectionWithSharedThroughputBeingCreated: true
+        offerThroughput: 400
       };
       _createMongoCollectionWithARM("management.azure.com", properties, undefined);
       expect(resourceProviderClientPutAsyncSpy).toHaveBeenCalledWith(
@@ -295,7 +293,7 @@ describe("MongoProxyClient", () => {
         "2020-04-01",
         {
           properties: {
-            options: { throughput: "400", InsertSystemPartitionKey: "true" },
+            options: { throughput: "400" },
             resource: { id: "abc-collection" }
           }
         }
diff --git a/src/Common/MongoProxyClient.ts b/src/Common/MongoProxyClient.ts
index e0be24adc..4e988d093 100644
--- a/src/Common/MongoProxyClient.ts
+++ b/src/Common/MongoProxyClient.ts
@@ -356,7 +356,6 @@ export function createMongoCollectionWithARM(
   armEndpoint: string,
   databaseId: string,
   analyticalStorageTtl: number,
-  isFixedCollectionWithSharedThroughputBeingCreated: boolean,
   collectionId: string,
   offerThroughput: number,
   shardKey: string,
@@ -380,8 +379,7 @@ export function createMongoCollectionWithARM(
     sid: CosmosClient.subscriptionId(),
     rg: CosmosClient.resourceGroup(),
     dba: databaseAccount.name,
-    analyticalStorageTtl,
-    isFixedCollectionWithSharedThroughputBeingCreated
+    analyticalStorageTtl
   };
 
   if (createDatabase) {
@@ -453,11 +451,6 @@ export async function _createMongoCollectionWithARM(
     }
   }
 
-  if (params.isFixedCollectionWithSharedThroughputBeingCreated) {
-    rpPayloadToCreateCollection.properties.options[Constants.HttpHeaders.mongoFixedCollectionWithSharedThroughput] =
-      "true";
-  }
-
   if (params.analyticalStorageTtl) {
     rpPayloadToCreateCollection.properties.resource.analyticalStorageTtl = params.analyticalStorageTtl;
   }
diff --git a/src/Contracts/DataModels.ts b/src/Contracts/DataModels.ts
index 5042da2b9..e9190b0ae 100644
--- a/src/Contracts/DataModels.ts
+++ b/src/Contracts/DataModels.ts
@@ -547,7 +547,6 @@ export interface MongoParameters extends RpParameters {
   autoPilotTier?: string;
   autoPilotThroughput?: string;
   analyticalStorageTtl?: number;
-  isFixedCollectionWithSharedThroughputBeingCreated?: boolean;
 }
 
 export interface GraphParameters extends RpParameters {
diff --git a/src/Explorer/Panes/AddCollectionPane.ts b/src/Explorer/Panes/AddCollectionPane.ts
index 34b757727..6b896e741 100644
--- a/src/Explorer/Panes/AddCollectionPane.ts
+++ b/src/Explorer/Panes/AddCollectionPane.ts
@@ -832,7 +832,7 @@ export default class AddCollectionPane extends ContextualPaneBase implements Vie
       const isAadUser = EnvironmentUtility.isAadUser();
 
       // note: v3 autopilot not supported yet for Mongo fixed collections (only tier supported)
-      if (!isAadUser) {
+      if (!isAadUser || isFixedCollectionWithSharedThroughputBeingCreated) {
         createCollectionFunc = () =>
           Q(
             createMongoCollectionWithProxy(
@@ -853,7 +853,6 @@ export default class AddCollectionPane extends ContextualPaneBase implements Vie
               this.container.armEndpoint(),
               databaseId,
               this._getAnalyticalStorageTtl(),
-              isFixedCollectionWithSharedThroughputBeingCreated,
               collectionId,
               offerThroughput,
               partitionKeyPath,