diff --git a/node/node.d.ts b/node/node.d.ts
index deae056a1..441455a7f 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -609,7 +609,7 @@ declare module "child_process" {
         stderr: stream.Readable;
         pid: number;
         kill(signal?: string): void;
-        send(message: any, sendHandle: any): void;
+        send(message: any, sendHandle?: any): void;
         disconnect(): void;
     }
 
diff --git a/socket.io/socket.io.d.ts b/socket.io/socket.io.d.ts
index 2571e239b..677d4fcc2 100644
--- a/socket.io/socket.io.d.ts
+++ b/socket.io/socket.io.d.ts
@@ -37,19 +37,19 @@ declare module SocketIO {
         emit(name: string, ...args: any[]): Socket;
         use(fn: Function): Namespace;
 
-        on(event: 'connection', listener: (socket: Socket) => void): any;
-        on(event: 'connect', listener: (socket: Socket) => void): any;
-        on(event: string, listener: Function): any;
+        on(event: 'connection', listener: (socket: Socket) => void): Namespace;
+        on(event: 'connect', listener: (socket: Socket) => void): Namespace;
+        on(event: string, listener: Function): Namespace;
     }
 
     interface Namespace extends NodeJS.EventEmitter {
         name: string;
         connected: { [id: string]: Socket };
-        use(fn: Function): Namespace
+        use(fn: Function): Namespace;
 
-        on(event: 'connection', listener: (socket: Socket) => void): any;
-        on(event: 'connect', listener: (socket: Socket) => void): any;
-        on(event: string, listener: Function): any;
+        on(event: 'connection', listener: (socket: Socket) => void): Namespace;
+        on(event: 'connect', listener: (socket: Socket) => void): Namespace;
+        on(event: string, listener: Function): Namespace;
     }
 
     interface Socket {
@@ -63,8 +63,13 @@ declare module SocketIO {
         leave(name: string, fn?: Function): Socket;
         to(room: string): Socket;
         in(room: string): Socket;
+        send(...args: any[]): Socket;
+        write(...args: any[]): Socket;
 
-        on(event: string, listener: Function): any;
+        on(event: string, listener: Function): Socket;
+        once(event: string, listener: Function): Socket;
+        removeListener(event: string, listener: Function): Socket;
+        removeAllListeners(event: string): Socket;
         broadcast: Socket;
         volatile: Socket;
         connected: boolean;