diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 99beccfad4d7..7e18d1e70f12 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -375,7 +375,6 @@ bool regcache_set_val(void *base, unsigned int idx,
 	default:
 		BUG();
 	}
-	/* unreachable */
 	return false;
 }