How to remove some object in ramcache

it seems okay here.

e.g.

root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) show ltm profile ramcache optimized-caching
Ltm::Ramcaches /Common/optimized-caching

Host: 172.28.24.10
URI : /f5.gif
--------------------------------------
  Source Slot/TMM  1/1
  Owner Slot/TMM   1/1
  Rank             1

  Size (bytes)     4279
  Hits             6
  Received         2014-05-01 07:33:44
  Last Sent        2014-05-01 07:33:45
  Expires          2014-05-02 07:23:49
  Vary Type        none
  Vary Count       1
  Vary User Agent  none
  Vary Encoding    none

Host: 172.28.24.10
URI : /
--------------------------------------
  Source Slot/TMM  1/0
  Owner Slot/TMM   1/1
  Rank             1

  Size (bytes)     386
  Hits             14
  Received         2014-05-01 07:33:03
  Last Sent        2014-05-01 07:33:45
  Expires          2014-05-02 07:23:08
  Vary Type        none
  Vary Count       1
  Vary User Agent  none
  Vary Encoding    none
Total records returned: 2

root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) delete ltm profile ramcache optimized-caching uri /f5.gif

root@(ve11a)(cfg-sync In Sync)(Active)(/Common)(tmos) show ltm profile ramcache optimized-caching
Ltm::Ramcaches /Common/optimized-caching

Host: 172.28.24.10
URI : /
--------------------------------------
  Source Slot/TMM  1/0
  Owner Slot/TMM   1/1
  Rank             1

  Size (bytes)     386
  Hits             14
  Received         2014-05-01 07:33:03
  Last Sent        2014-05-01 07:33:45
  Expires          2014-05-02 07:23:08
  Vary Type        none
  Vary Count       1
  Vary User Agent  none
  Vary Encoding    none
Total records returned: 1