--- a/cubicweb/server/repository.py	Fri Mar 10 12:07:29 2017 +0100
+++ b/cubicweb/server/repository.py	Fri Mar 10 18:24:40 2017 +0100
@@ -458,7 +458,6 @@
             self.info('waiting thread %s...', thread.getName())
             thread.join()
             self.info('thread %s finished', thread.getName())
-        self.close_sessions()
         self.cnxsets.close()
         hits, misses = self.querier.cache_hit, self.querier.cache_miss
         try:
@@ -691,11 +690,6 @@
 
     # session handling ########################################################
 
-    def close_sessions(self):
-        """close every opened sessions"""
-        for session in list(self._sessions.values()):
-            session.close()
-
     def clean_sessions(self):
         """close sessions not used since an amount of time specified in the
         configuration