diff --git a/res/res_smdi.c b/res/res_smdi.c
index c19b600e48..d84239713f 100644
--- a/res/res_smdi.c
+++ b/res/res_smdi.c
@@ -42,7 +42,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/astobj.h"
 #include "asterisk/io.h"
 #include "asterisk/logger.h"
-#include "asterisk/utils.h"
 #include "asterisk/options.h"
 
 /* Message expiry time in milliseconds */