diff --git a/erpnext/patches/april_2012/after_sync_cleanup.py b/erpnext/patches/april_2012/after_sync_cleanup.py
new file mode 100644
index 00000000000..ab9e70e2ff2
--- /dev/null
+++ b/erpnext/patches/april_2012/after_sync_cleanup.py
@@ -0,0 +1,5 @@
+def execute():
+	import webnotes
+	from webnotes.model import delete_doc
+
+	delete_doc('Module Def', 'Knowledge Base')