diff --git a/extensions/java/xpcom/interfaces/Makefile.in b/extensions/java/xpcom/interfaces/Makefile.in
index 55ce06fa0a76..2cc3e8d4e296 100644
--- a/extensions/java/xpcom/interfaces/Makefile.in
+++ b/extensions/java/xpcom/interfaces/Makefile.in
@@ -74,7 +74,6 @@ JAVA_CLASSPATH += $(IFACES_JAR)
 SDK_LIBRARY = $(JAVA_LIBRARY_NAME).jar $(IFACES_JAR) $(IFACES_JAR_SRC)
 
 GARBAGE += $(IFACES_JAR) $(IFACES_JAR_SRC) IXPCOMError.java java.files
-GARBAGE_DIRS += org
 
 include $(topsrcdir)/config/rules.mk