diff --git a/reactos/lib/rossym_new/dummy.c b/reactos/lib/rossym_new/dummy.c
index a00e527381b..8cc5263691a 100644
--- a/reactos/lib/rossym_new/dummy.c
+++ b/reactos/lib/rossym_new/dummy.c
@@ -4,7 +4,6 @@
 
 #define NDEBUG
 #include <debug.h>
-#include <debug.h>
 
 BOOLEAN
 RosSymCreateFromFile(PVOID FileContext, PROSSYM_INFO *RosSymInfo)