Usually it is not a good idea to remove a commit from version control, especially a centralised one like subversion. However, I ran into a situation were it made sense. By killing the wrong process, I ended up with a partially applied ctm delta. The most easy way to fix this, was to decrement the value in .ctm_status; in that way, the actual svn repository was running ahead by some commits. To remove them, I did the following in the repository.