diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index 30eb95b71b5..f207a3217c5 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -3635,6 +3635,10 @@ XVisualInfo *visual_from_fbconfig_id( XID fbconfig_id )
 
 #else  /* no OpenGL includes */
 
+void X11DRV_OpenGL_Cleanup(void)
+{
+}
+
 static inline void opengl_error(void)
 {
     static int warned;