diff --git a/configs/default_defconfig b/configs/default_defconfig
index 9739a53cad12..3ec6be41a855 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -1044,6 +1044,7 @@ ifeq ($(CONFIG_SLUB_DEBUG_ON), y)
 	CONFIG_MAX_LOGS_PER_SEC := 500
 	CONFIG_SCHED_HISTORY_SIZE := 256
 	CONFIG_TALLOC_DEBUG := y
+	CONFIG_UNIT_TEST := y
 	CONFIG_REGISTER_OP_DEBUG := y
 	CONFIG_ENABLE_QDF_PTR_HASH_DEBUG := y