diff --git a/src/common/platform/win32/hardware.cpp b/src/common/platform/win32/hardware.cpp
index 16123fdd9..4aec98da8 100644
--- a/src/common/platform/win32/hardware.cpp
+++ b/src/common/platform/win32/hardware.cpp
@@ -58,7 +58,6 @@ IVideo *gl_CreateVideo();
 
 void I_RestartRenderer();
 int currentcanvas = -1;
-int currentgpuswitch = -1;
 bool changerenderer;
 
 void I_ShutdownGraphics ()