diff --git a/software/erp5/software.cfg b/software/erp5/software.cfg
index 2bf19d74558ca1fcac42908f8a7feb36f4ba0ab3..c00db07eb7b9654ca9b0b12c5b5e8ef84994cdf7 100644
--- a/software/erp5/software.cfg
+++ b/software/erp5/software.cfg
@@ -36,128 +36,7 @@ mode = 0644
 # Default json schema for instance parameters.
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/configuration.json
-md5sum = cbe1d75339c6cb20e1aef818797face1
+md5sum = cbe1d75339c6cb20e1aef818797face1 
 output = ${buildout:directory}/schema.json
 mode = 0644
 
-[versions]
-MySQL-python = 1.2.3
-Paste = 1.7.5.1
-PasteScript = 1.7.4.2
-Products.CMFActionIcons = 2.1.3
-Products.CMFCalendar = 2.2.2
-Products.CMFCore = 2.2.4
-Products.CMFDefault = 2.2.2
-Products.CMFTopic = 2.2.1
-Products.CMFUid = 2.2.1
-Products.DCWorkflowGraph = 0.4nxd001
-Products.ExternalEditor = 1.1.0
-Products.GenericSetup = 1.6.3
-Products.MimetypesRegistry = 2.0.3
-Products.PluggableAuthService = 1.7.5
-Products.PluginRegistry = 1.3b1
-Products.TIDStorage = 5.4.7.dev-r45842
-Products.Zelenium = 1.0.3
-StructuredText = 2.11.1
-Werkzeug = 0.7.1
-buildout-versions = 1.6
-cElementTree = 1.0.5-20051216
-chardet = 1.0.1
-cloudooo = 1.2.3
-cloudooo.handler.ffmpeg = 0.1
-cloudooo.handler.imagemagick = 0.1
-cloudooo.handler.ooo = 0.2
-cloudooo.handler.pdf = 0.1
-csp-eventlet = 0.7.0
-elementtree = 1.2.7-20070827-preview
-erp5.recipe.cmmiforcei686 = 0.1.3
-erp5diff = 0.8.1.5
-eventlet = 0.9.16
-feedparser = 5.0.1
-five.localsitemanager = 2.0.5
-greenlet = 0.3.1
-hexagonit.recipe.cmmi = 1.5.0
-hexagonit.recipe.download = 1.5.0
-http-parser = 0.7.0
-ipdb = 0.6
-meld3 = 0.6.7
-ordereddict = 1.1
-paramiko = 1.7.7.1
-plone.recipe.command = 1.1
-ply = 3.4
-psutil = 0.3.0
-pycrypto = 2.3
-python-ldap = 2.4.3
-python-memcached = 1.47
-restkit = 3.3.1
-rtjp-eventlet = 0.3.2
-slapos.cookbook = 0.25
-slapos.recipe.build = 0.6
-slapos.recipe.template = 1.1
-threadframe = 0.2
-timerserver = 2.0.2
-urlnorm = 1.1.2
-uuid = 1.30
-validictory = 0.7.1
-xupdate-processor = 0.4
-
-# Required by:
-# slapos.core==0.14
-Flask = 0.7.2
-
-# Required by:
-# PasteScript==1.7.4.2
-# cloudooo==1.2.3
-PasteDeploy = 1.5.0
-
-# Required by:
-# cloudooo==1.2.3
-WSGIUtils = 0.7
-
-# Required by:
-# cloudooo==1.2.3
-# slapos.core==0.14
-argparse = 1.1
-
-# Required by:
-# slapos.recipe.template==1.1
-collective.recipe.template = 1.9
-
-# Required by:
-# SOAPpy==0.12.0nxd001
-fpconst = 0.7.2
-
-# Required by:
-# ipdb==0.6
-ipython = 0.11
-
-# Required by:
-# slapos.cookbook==0.25
-netaddr = 0.7.6
-
-# Required by:
-# slapos.core==0.14
-netifaces = 0.4
-
-# Required by:
-# cloudooo==1.2.3
-python-magic = 0.4.0.1
-
-# Required by:
-# slapos.cookbook==0.25
-# slapos.core==0.14
-# zc.buildout==1.5.3-dev-SlapOS-010
-# zc.recipe.egg==1.2.2
-setuptools = 0.6c12dev-r88846
-
-# Required by:
-# slapos.cookbook==0.25
-slapos.core = 0.14
-
-# Required by:
-# slapos.core==0.14
-supervisor = 3.0a10
-
-# Required by:
-# slapos.cookbook==0.25
-xml-marshaller = 0.9.7
diff --git a/software/vifib/software.cfg b/software/vifib/software.cfg
index 7a503c5c1f6b297ce0f4049d1c87f7cbbca9edc8..ad2929c17148a784ce95b4bda754b69ab0198e05 100644
--- a/software/vifib/software.cfg
+++ b/software/vifib/software.cfg
@@ -20,8 +20,7 @@ repository_id_list += vifib/master
 [vifib]
 <= erp5
 repository = http://git.erp5.org/repos/slapos.core.git
-# tag: vifib-0.2
-revision = f42ad28f0aa47d8cdb028ce6a1796eb7ef6f066e
+revision =
 
 [local-bt5-repository]
 # XXX: workaround for zc.buildout bug, as list += ends up with adding new entry
diff --git a/stack/erp5.cfg b/stack/erp5.cfg
index 1e378dc309e3d2f1d690340656a9d0b26ad8bc45..53da23ca32b5e9485a2e746f2b55ef0202b76260 100644
--- a/stack/erp5.cfg
+++ b/stack/erp5.cfg
@@ -218,7 +218,7 @@ location = ${buildout:parts-directory}/${:_buildout_section_name_}
 stop-on-error = true
 repository = http://git.erp5.org/repos/erp5.git
 branch = master
-revision = f1bc8fdc0e4ce17530b32468c2affda8a6e9e896
+revision =
 command = ${git:location}/bin/git clone --quiet -b ${:branch} ${:repository} ${:location} && if [ -n ${:revision} ]; then cd ${:location} && ${git:location}/bin/git reset --quiet --hard ${:revision} ; fi
 update-command = cd ${:location} && ${git:location}/bin/git pull --quiet && if [ -n ${:revision} ]; then cd ${:location} && ${git:location}/bin/git reset --quiet --hard ${:revision} ; fi