diff --git a/packages/grpc-js/package.json b/packages/grpc-js/package.json
index 02400ca90..e3c983445 100644
--- a/packages/grpc-js/package.json
+++ b/packages/grpc-js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@grpc/grpc-js",
-  "version": "1.4.5",
+  "version": "1.4.6",
   "description": "gRPC Library for Node - pure JS implementation",
   "homepage": "https://grpc.io/",
   "repository": "https://github.com/grpc/grpc-node/tree/master/packages/grpc-js",
diff --git a/packages/grpc-js/src/object-stream.ts b/packages/grpc-js/src/object-stream.ts
index b17058a7a..22ab8a41f 100644
--- a/packages/grpc-js/src/object-stream.ts
+++ b/packages/grpc-js/src/object-stream.ts
@@ -36,9 +36,9 @@ export interface IntermediateObjectWritable<T> extends Writable {
   write(chunk: any & T, cb?: WriteCallback): boolean;
   write(chunk: any & T, encoding?: any, cb?: WriteCallback): boolean;
   setDefaultEncoding(encoding: string): this;
-  end(): void;
-  end(chunk: any & T, cb?: Function): void;
-  end(chunk: any & T, encoding?: any, cb?: Function): void;
+  end(): ReturnType<Writable['end']> extends Writable ? this : void;
+  end(chunk: any & T, cb?: Function): ReturnType<Writable['end']> extends Writable ? this : void;
+  end(chunk: any & T, encoding?: any, cb?: Function): ReturnType<Writable['end']> extends Writable ? this : void;
 }
 
 export interface ObjectWritable<T> extends IntermediateObjectWritable<T> {
@@ -46,20 +46,7 @@ export interface ObjectWritable<T> extends IntermediateObjectWritable<T> {
   write(chunk: T, cb?: Function): boolean;
   write(chunk: T, encoding?: any, cb?: Function): boolean;
   setDefaultEncoding(encoding: string): this;
-  end(): void;
-  end(chunk: T, cb?: Function): void;
-  end(chunk: T, encoding?: any, cb?: Function): void;
+  end(): ReturnType<Writable['end']> extends Writable ? this : void;
+  end(chunk: T, cb?: Function): ReturnType<Writable['end']> extends Writable ? this : void;
+  end(chunk: T, encoding?: any, cb?: Function): ReturnType<Writable['end']> extends Writable ? this : void;
 }
-
-export type ObjectDuplex<T, U> = {
-  read(size?: number): U;
-
-  _write(chunk: T, encoding: string, callback: Function): void;
-  write(chunk: T, cb?: Function): boolean;
-  write(chunk: T, encoding?: any, cb?: Function): boolean;
-  end(): void;
-  end(chunk: T, cb?: Function): void;
-  end(chunk: T, encoding?: any, cb?: Function): void;
-} & Duplex &
-  ObjectWritable<T> &
-  ObjectReadable<U>;
diff --git a/packages/grpc-js/src/server-call.ts b/packages/grpc-js/src/server-call.ts
index be4429b0f..a79e401c6 100644
--- a/packages/grpc-js/src/server-call.ts
+++ b/packages/grpc-js/src/server-call.ts
@@ -236,7 +236,7 @@ export class ServerWritableStreamImpl<RequestType, ResponseType>
       this.trailingMetadata = metadata;
     }
 
-    super.end();
+    return super.end();
   }
 }
 
@@ -282,7 +282,7 @@ export class ServerDuplexStreamImpl<RequestType, ResponseType>
       this.trailingMetadata = metadata;
     }
 
-    super.end();
+    return super.end();
   }
 }
 
@@ -292,7 +292,6 @@ ServerDuplexStreamImpl.prototype._write =
   ServerWritableStreamImpl.prototype._write;
 ServerDuplexStreamImpl.prototype._final =
   ServerWritableStreamImpl.prototype._final;
-ServerDuplexStreamImpl.prototype.end = ServerWritableStreamImpl.prototype.end;
 
 // Unary response callback signature.
 export type sendUnaryData<ResponseType> = (