diff --git a/src/window_func.h b/src/window_func.h
--- a/src/window_func.h
+++ b/src/window_func.h
@@ -25,7 +25,6 @@ void SetupColorsAndInitialWindow();
 void InputLoop();
 void InvalidateThisWindowData(Window *w);
 void InvalidateWindowData(WindowClass cls, WindowNumber number);
-void RelocateAllWindows(int neww, int newh);
 
 void DeleteNonVitalWindows();
 void DeleteAllNonVitalWindows();