diff --git a/Makefile b/Makefile
index f26c670..270bbae 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,10 @@ export SIGN ?= 0
 export DEBUG ?= 1
 
 all:
+ifeq ($(DEBUG),0)
+	+$(MAKE) clean
+endif
+
 	+$(MAKE) -C LegacyUpdate
 	+$(MAKE) -C launcher
 	+$(MAKE) -C setup