Communication channel cannot be deleted

After deleting the scenario in Integration builder -configuration (Integration Directory) , the communication channel, receiver determination, interface determination ... should also be deleted. But I can still see the communication channel through communication channel monitoring (in RWB)
so strange. how to delete it

Try these steps
1)Active the deleted objects.
2)Refresh the cache SXI_CACHE and the below urls.
http://hostname:50000/CPACache/refresh?mode=full
http://hostname:50000/CPACache/refresh?mode=delta
3)Refresh the cache objects(Cache connectivity test) in RWB.
Please do these steps then automatically channels are disappear from RWB communication channel monitoring.
Regards
Pothana

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