diff --git a/target/xtensa/cpu-param.h b/target/xtensa/cpu-param.h
index b53e9a3e08..b1da0555de 100644
--- a/target/xtensa/cpu-param.h
+++ b/target/xtensa/cpu-param.h
@@ -16,6 +16,5 @@
 #else
 #define TARGET_VIRT_ADDR_SPACE_BITS 32
 #endif
-#define NB_MMU_MODES 4
 
 #endif