diff --git a/BeefTools/BeefPerf/src/BPApp.bf b/BeefTools/BeefPerf/src/BPApp.bf
index 6eecf408..7b43edf2 100644
--- a/BeefTools/BeefPerf/src/BPApp.bf
+++ b/BeefTools/BeefPerf/src/BPApp.bf
@@ -235,7 +235,7 @@ namespace BeefPerf
 			mDockingFrame = mMainFrame.mDockingFrame;
 
 			BFWindow.Flags windowFlags = .Border | .SysMenu | .Caption | .Minimize | .Maximize |
-				.QuitOnClose | .Resizable | .Menu | .SysMenu;
+				.QuitOnClose | .Resizable | .Menu;
 			if (mWantsFullscreen)
 				windowFlags |= BFWindowBase.Flags.Fullscreen;