diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h
index ceac168c81..af12af93d3 100644
--- a/include/wx/msw/window.h
+++ b/include/wx/msw/window.h
@@ -297,7 +297,6 @@ public:
     bool HandleActivate(int flag, bool minimized, WXHWND activate);
 
     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
-    bool HandleSysCommand(WXWPARAM wParam, WXLPARAM lParam);
 
     bool HandleCtlColor(WXHBRUSH *hBrush,
                         WXHDC hdc,
diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 7f052f7405..1fb5163574 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -2529,10 +2529,6 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
             break;
 #endif // __WXMICROWIN__
 
-        case WM_SYSCOMMAND:
-            processed = HandleSysCommand(wParam, lParam);
-            break;
-
         case WM_COMMAND:
             {
                 WORD id, cmd;
@@ -4289,23 +4285,6 @@ bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control)
     return false;
 }
 
-bool wxWindowMSW::HandleSysCommand(WXWPARAM wParam, WXLPARAM WXUNUSED(lParam))
-{
-#ifndef __WXWINCE__
-    // 4 bits are reserved
-    switch ( wParam & 0xFFFFFFF0 )
-    {
-        case SC_MAXIMIZE:
-            return HandleMaximize();
-
-        case SC_MINIMIZE:
-            return HandleMinimize();
-    }
-#endif
-
-    return false;
-}
-
 // ---------------------------------------------------------------------------
 // mouse events
 // ---------------------------------------------------------------------------