diff --git a/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_vcs/BusinessTemplate_viewVcsChangelog/your_changelog.xml b/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_vcs/BusinessTemplate_viewVcsChangelog/your_changelog.xml
index cb01d19a3010aab4561e9b75c3d26e6191416b08..6e4144a85fa15f8fef5fa5ae9c97adba0f22d568 100644
--- a/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_vcs/BusinessTemplate_viewVcsChangelog/your_changelog.xml
+++ b/bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_vcs/BusinessTemplate_viewVcsChangelog/your_changelog.xml
@@ -130,9 +130,7 @@
                 </item>
                 <item>
                     <key> <string>default</string> </key>
-                    <value>
-                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
-                    </value>
+                    <value> <string></string> </value>
                 </item>
                 <item>
                     <key> <string>description</string> </key>
@@ -279,17 +277,4 @@
       </dictionary>
     </pickle>
   </record>
-  <record id="2" aka="AAAAAAAAAAI=">
-    <pickle>
-      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>_text</string> </key>
-            <value> <string>python: here.getVcsTool().getLastChangelog()</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
 </ZopeData>
diff --git a/bt5/erp5_forge/bt/revision b/bt5/erp5_forge/bt/revision
index e59f0632ab19b456e3df415e223418bb600b8ab4..5cb222c0b2aa7353f113849662e455e10292700a 100644
--- a/bt5/erp5_forge/bt/revision
+++ b/bt5/erp5_forge/bt/revision
@@ -1 +1 @@
-658
\ No newline at end of file
+659
\ No newline at end of file
diff --git a/product/ERP5VCS/WorkingCopy.py b/product/ERP5VCS/WorkingCopy.py
index 87889087a568b1cf07a1b2384af079a023000377..e33ec5a32c1118800057ccd49b3c16cfc3685117 100644
--- a/product/ERP5VCS/WorkingCopy.py
+++ b/product/ERP5VCS/WorkingCopy.py
@@ -232,24 +232,6 @@ class WorkingCopy(Implicit):
       file.close()
     return revision
 
-  def getLastChangelog(self):
-    """Return last changelog of a business template
-    """
-    changelog = ""
-    try:
-      f = open(os.path.join(self.working_copy, 'bt', 'change_log'))
-      try:
-        for line in f:
-          if not line.strip():
-            break
-          changelog += line
-      finally:
-        f.close()
-    except IOError, e:
-      if e.errno != errno.ENOENT:
-        raise
-    return changelog
-
   def hasDiff(self, path):
     try:
       hasDiff = aq_base(self).__hasDiff