diff --git a/tools/simulator/libsimulator/lib/runtime/Widget_mac.h b/tools/simulator/libsimulator/lib/runtime/Widget_mac.h
index 484d7c5b24..cc88a5688c 100644
--- a/tools/simulator/libsimulator/lib/runtime/Widget_mac.h
+++ b/tools/simulator/libsimulator/lib/runtime/Widget_mac.h
@@ -7,5 +7,3 @@
 #pragma once
 
 std::string getCurAppName();
-
-#endif