diff --git a/software/erp5/software.cfg b/software/erp5/software.cfg
index ecbc76c9ade140687ed5b65710e0b9f29e849727..0f9c4f3e2365027421db1f3191bbc7bbca1df54b 100644
--- a/software/erp5/software.cfg
+++ b/software/erp5/software.cfg
@@ -1,15 +1,4 @@
 [buildout]
-extensions =
-  slapos.rebootstrap
-  slapos.tool.networkcache
-  slapos.zcbworkarounds
-  mr.developer
-
-find-links =
-    http://www.nexedi.org/static/packages/source/slapos.buildout/
-    http://dist.repoze.org
-    http://www.nexedi.org/static/packages/source/
-
 extends =
   ../../stack/erp5.cfg