diff --git a/src/inspector_socket.cc b/src/inspector_socket.cc
index dcc42f25b4acb8..b17ee767439d46 100644
--- a/src/inspector_socket.cc
+++ b/src/inspector_socket.cc
@@ -365,7 +365,7 @@ class WsHandler : public ProtocolHandler {
   }
 
  private:
-  using Callback = void (WsHandler::*)(void);
+  using Callback = void (WsHandler::*)();
 
   static void OnCloseFrameWritten(uv_write_t* req, int status) {
     WriteRequest* wr = WriteRequest::from_write_req(req);
diff --git a/src/node_object_wrap.h b/src/node_object_wrap.h
index b8ed2f99135a65..96b9115adac860 100644
--- a/src/node_object_wrap.h
+++ b/src/node_object_wrap.h
@@ -81,7 +81,7 @@ class ObjectWrap {
   }
 
 
-  inline void MakeWeak(void) {
+  inline void MakeWeak() {
     persistent().SetWeak(this, WeakCallback, v8::WeakCallbackType::kParameter);
   }