diff --git a/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp b/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp
index 43eadc3a41..498130f105 100644
--- a/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp
+++ b/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp
@@ -17,7 +17,6 @@
 #include <string.h>
 #include <math.h>
 
-#include <string>
 #include <vector>
 
 #ifdef HAVE_CONFIG_H