diff --git a/src/cpu/amd/smm/smm_init.c b/src/cpu/amd/smm/smm_init.c
index 3efb964165..60e506c4e5 100644
--- a/src/cpu/amd/smm/smm_init.c
+++ b/src/cpu/amd/smm/smm_init.c
@@ -70,11 +70,6 @@ void smm_init(void)
 	/* CPU MSR are set in CPU init */
 }
 
-void smm_lock(void)
-{
-	/* We lock SMM in CPU init */
-}
-
 void smm_init_completion(void)
 {
 }