diff --git a/src/d3d9/d3d9_include.h b/src/d3d9/d3d9_include.h
index 8762265ab..2b933aecd 100644
--- a/src/d3d9/d3d9_include.h
+++ b/src/d3d9/d3d9_include.h
@@ -36,7 +36,6 @@
 #include "../util/util_flags.h"
 #include "../util/util_likely.h"
 #include "../util/util_math.h"
-#include "../util/util_monitor.h"
 #include "../util/util_string.h"
 
 // Missed definitions in Wine/MinGW.