diff --git a/package/kernel/button-hotplug/Makefile b/package/kernel/button-hotplug/Makefile
index 347544c7a0..d90d7746f5 100644
--- a/package/kernel/button-hotplug/Makefile
+++ b/package/kernel/button-hotplug/Makefile
@@ -41,11 +41,6 @@ MAKE_OPTS:= \
 	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
 	$(EXTRA_KCONFIG)
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
 define Build/Compile
 	$(MAKE) -C "$(LINUX_DIR)" \
 		$(MAKE_OPTS) \