--- a/make-rules/gem.mk	Mon May 04 18:32:20 2015 -0500
+++ b/make-rules/gem.mk	Mon May 04 18:34:05 2015 -0500
@@ -57,7 +57,4 @@
 	$(COMPONENT_POST_INSTALL_ACTION)
 	$(TOUCH) $@
 
-clean::
-	$(RM) -r $(SOURCE_DIR) $(BUILD_DIR)
-
 REQUIRED_PACKAGES += runtime/ruby