diff --git a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json
index 52729bec4f..88bcdb90a0 100644
--- a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json
+++ b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json
@@ -238,6 +238,11 @@
           "Attributes": [],
           "MethodInfo": "Microsoft.Azure.Cosmos.FeedIterator`1[T] GetItemQueryIterator[T](Microsoft.Azure.Cosmos.FeedRange, Microsoft.Azure.Cosmos.QueryDefinition, System.String, Microsoft.Azure.Cosmos.QueryRequestOptions);IsAbstract:True;IsStatic:False;IsVirtual:True;IsGenericMethod:True;IsConstructor:False;IsFinal:False;"
         },
+        "System.Threading.Tasks.Task`1[Microsoft.Azure.Cosmos.ResponseMessage] DeleteAllItemsByPartitionKeyStreamAsync(Microsoft.Azure.Cosmos.PartitionKey, Microsoft.Azure.Cosmos.ItemRequestOptions, System.Threading.CancellationToken)": {
+          "Type": "Method",
+          "Attributes": [],
+          "MethodInfo": "System.Threading.Tasks.Task`1[Microsoft.Azure.Cosmos.ResponseMessage] DeleteAllItemsByPartitionKeyStreamAsync(Microsoft.Azure.Cosmos.PartitionKey, Microsoft.Azure.Cosmos.ItemRequestOptions, System.Threading.CancellationToken);IsAbstract:True;IsStatic:False;IsVirtual:True;IsGenericMethod:False;IsConstructor:False;IsFinal:False;"
+        },
         "System.Threading.Tasks.Task`1[System.Collections.Generic.IEnumerable`1[System.String]] GetPartitionKeyRangesAsync(Microsoft.Azure.Cosmos.FeedRange, System.Threading.CancellationToken)": {
           "Type": "Method",
           "Attributes": [],