--- a/components/libusb/ugen/Makefile	Tue Apr 11 20:19:32 2017 -0700
+++ b/components/libusb/ugen/Makefile	Wed Apr 12 14:48:14 2017 -0700
@@ -20,7 +20,7 @@
 #
 
 #
-# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
 #
 BUILD_BITS= 64_and_32
 include ../../../make-rules/shared-macros.mk
@@ -49,8 +49,6 @@
 
 ASLR_MODE = $(ASLR_NOT_APPLICABLE)
 
-CLEAN_PATHS +=	$(SOURCE_DIR)/.prep
-
 # test enumerates USB devices plugged into your system
 
 REQUIRED_PACKAGES += system/io/usb