diff --git a/runtime/vm/signal_handler_win.cc b/runtime/vm/signal_handler_win.cc
index 1a7524b9705..e3164f45264 100644
--- a/runtime/vm/signal_handler_win.cc
+++ b/runtime/vm/signal_handler_win.cc
@@ -43,7 +43,7 @@ void SignalHandler::Install(SignalAction action) {
 }
 
 
-void SignalHandler::Remove(SignalAction action) {
+void SignalHandler::Remove() {
   UNIMPLEMENTED();
 }