diff --git a/bin/release.py b/bin/release.py
index 00dc745c725..826959faa84 100644
--- a/bin/release.py
+++ b/bin/release.py
@@ -49,22 +49,5 @@ author_email = 'info@tiny.be'
 support_email = 'support@openerp.com'
 license = 'GPL-2'
 
-try:
-    # if the sources are taken from the bzr repository, 
-    # append the revision number and the date of the bzr branch
-    from bzrlib.branch import Branch
-    from bzrlib.osutils import format_date
-    try:
-        from os.path import dirname
-        _branch = Branch.open(dirname(dirname(__file__)))
-        _lastrev = _branch.repository.get_revision(_branch.last_revision())
-        _date = format_date(_lastrev.timestamp, _lastrev.timezone)
-        version = "%s~bzr-%s (%s)" % (version, _branch.revno(), _date)
-    except:
-        # This is not because bzr is installed that openerp is under revision.
-        pass
-except ImportError:
-    pass
-
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: