diff --git a/Sandboxie/core/dll/gui_p.h b/Sandboxie/core/dll/gui_p.h
index 9af4b9d0..4bd3b21e 100644
--- a/Sandboxie/core/dll/gui_p.h
+++ b/Sandboxie/core/dll/gui_p.h
@@ -599,7 +599,6 @@ GUI_SYS_VAR(GetDCEx)
 GUI_SYS_VAR(GetWindowDC)
 GUI_SYS_VAR(ReleaseDC)
 GUI_SYS_VAR(PrintWindow)
-GUI_SYS_VAR(DeleteDC)
 GUI_SYS_VAR(BitBlt)
 GUI_SYS_VAR(StretchBlt)
 GUI_SYS_VAR(TransparentBlt)