diff --git a/ui/drivers/ui_win32_resource.h b/ui/drivers/ui_win32_resource.h
index 4a4e79259a..e7090d701e 100644
--- a/ui/drivers/ui_win32_resource.h
+++ b/ui/drivers/ui_win32_resource.h
@@ -29,4 +29,3 @@
 #define ID_M_STATE_INDEX_AUTO                   40024
 #define ID_M_TAKE_SCREENSHOT                    40025
 #define ID_M_MUTE_TOGGLE                        40026
-#define ID_M_SHADER_PARAMETERS                  40027