diff --git a/mm/damon/core.c b/mm/damon/core.c
index 00e2997524ec..b33920873871 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -686,27 +686,8 @@ void damon_destroy_target(struct damon_target *t, struct damon_ctx *ctx)
 	damon_free_target(t);
 }
 
-#ifdef CONFIG_DAMON_DEBUG_SANITY
-static void damon_verify_nr_regions(struct damon_target *t)
-{
-	struct damon_region *r;
-	unsigned int count = 0;
-
-	damon_for_each_region(r, t)
-		count++;
-	WARN_ONCE(count != t->nr_regions, "t->nr_regions (%u) != count (%u)\n",
-			t->nr_regions, count);
-}
-#else
-static void damon_verify_nr_regions(struct damon_target *t)
-{
-}
-#endif
-
 unsigned int damon_nr_regions(struct damon_target *t)
 {
-	damon_verify_nr_regions(t);
-
 	return t->nr_regions;
 }