diff --git a/target/arm/cpu-param.h b/target/arm/cpu-param.h
index b7bde18986..b3b35f7aa1 100644
--- a/target/arm/cpu-param.h
+++ b/target/arm/cpu-param.h
@@ -45,6 +45,4 @@
     bool guarded;
 #endif
 
-#define NB_MMU_MODES 12
-
 #endif