diff --git a/apps/cic-ussd/cic_ussd/db/models/base.py b/apps/cic-ussd/cic_ussd/db/models/base.py
index d76ee6c4..af5b9067 100644
--- a/apps/cic-ussd/cic_ussd/db/models/base.py
+++ b/apps/cic-ussd/cic_ussd/db/models/base.py
@@ -127,3 +127,4 @@ class SessionBase(Model):
             logg.debug('commit and destroy session {}'.format(session_key))
             session.commit()
             session.close()
+            del SessionBase.localsessions[session_key]