diff --git a/armsrc/desfire_crypto.h b/armsrc/desfire_crypto.h
index 698f11e32..47da8354c 100644
--- a/armsrc/desfire_crypto.h
+++ b/armsrc/desfire_crypto.h
@@ -2,7 +2,7 @@
 #define __DESFIRE_CRYPTO_H
 
 #include <string.h>
-#include <strings.h>
+//#include <strings.h>
 #include <stdarg.h>
 #include "printf.h"