diff --git a/mm/memory-tiers.c b/mm/memory-tiers.c
index 2a642ea86cb20a..2f4d27860e97fb 100644
--- a/mm/memory-tiers.c
+++ b/mm/memory-tiers.c
@@ -914,7 +914,6 @@ static int __init memory_tier_init(void)
 	WARN_ON(!node_demotion);
 #endif
 
-	guard(mutex)(&memory_tier_lock);
 	/*
 	 * For now we can have 4 faster memory tiers with smaller adistance
 	 * than default DRAM tier.