Script Merger is a mod for The Witcher 3: Wild Hunt. – In the Merged Script panel, Delete key triggers the “Delete Selected Merge” button. How do I uninstall Witcher script merger? Then you can freely remove the file from Mods folder. So you run Script Merger, select that specifc merger (it lists them), and click Delete Selected Merge. How do I uninstall Witcher 3 script merger?