From the user manual page 38
Permanently Delete Resources
You may also permanently delete most resources.
1. Click Options on the main menu, and select Resources. The Resource Options window appears, as shown above.
2. All of the installed Bibles, commentaries and dictionaries are listed
3. Right click any resource and a context menu appears. Select “Delete Resource Permanently” and the resource will be deleted. You cannot “undo” this operation without re-downloading the resource, so be absolutely sure first!
NOTE: e-Sword will automatically reinstall the modules below even if you delete them. The modules below are essential to running e-Sword. While you can delete the modules for the current session, when you restart e-Sword, the modules will be reinstalled. However, you can hide these modules, as shown on the previous page.
King James Bible kjv.bblx
King James with Strong’s Numbers kjv+.bblx
Treasury of Scripture Knowledge tsk.cmtx
Strong’s Dictionary strong.dctx
Robertson’s Harmony of the Gospels robertson.harx