diff --git a/util/aes.c b/util/aes.c
index 91e97fa6e7f414733742296873616f30fd04a630..4b4d88e7e61f0a19b64dc100136fa6cb22cdc0dc 100644
--- a/util/aes.c
+++ b/util/aes.c
@@ -30,12 +30,7 @@
 #include "qemu-common.h"
 #include "qemu/aes.h"
 
-#ifndef NDEBUG
-#define NDEBUG
-#endif
-
 typedef uint32_t u32;
-typedef uint16_t u16;
 typedef uint8_t u8;
 
 /* This controls loop-unrolling in aes_core.c */