[root@linux ~]# rpm -qa | grep 2.6.18-92
kernel-2.6.18-92.el5
kernel-devel-2.6.18-92.el5
[root@linux ~]# yum remove kernel-2.6.18-92.el5 kernel-devel-2.6.18-92.el5
Loaded plugins: security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package kernel-devel.i686 0:2.6.18-92.el5 set to be erased
---> Package kernel.i686 0:2.6.18-92.el5 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

===========================================================================
 Package            Arch       Version               Repository       Size
===========================================================================
Removing:
 kernel             i686       2.6.18-92.el5         installed        37 M
 kernel-devel       i686       2.6.18-92.el5         installed        15 M

Transaction Summary
===========================================================================
Install      0 Package(s)         
Update       0 Package(s)         
Remove       2 Package(s)         

Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing        : kernel                                            [1/2] 
  Erasing        : kernel-devel                                      [2/2] 

Removed: kernel.i686 0:2.6.18-92.el5 kernel-devel.i686 0:2.6.18-92.el5
Complete!
[root@linux ~]#