diff --git a/Math/Math/CommonMatrix.h b/Math/Math/CommonMatrix.h
index 0902bbef9..58df74ffd 100644
--- a/Math/Math/CommonMatrix.h
+++ b/Math/Math/CommonMatrix.h
@@ -8,7 +8,6 @@
 #include "Basics.h"
 #include <string>
 #include <stdint.h>
-#include "Basics.h"
 
 #define DEVICEID_TYPE int
 // and the following magic values