--- a/hgext3rd/evolve/obshistory.py	Fri Oct 20 22:31:07 2017 +0200
+++ b/hgext3rd/evolve/obshistory.py	Fri Oct 20 22:44:12 2017 +0200
@@ -815,13 +815,6 @@
             # Replace the old one
             obsutil.successorsetverb = old
 
-# XXX temporary disable operation to clarify tests changes
-if util.safehasattr(obsutil, 'markersoperations'):
-
-    @eh.wrapfunction(obsutil, 'markersoperations')
-    def markersoperations(orig, *args, **kwargs):
-        return []
-
 FORMATSSETSFUNCTIONS = [
     _successorsetdates,
     _successorsetusers,