I deactivated the plug in, and reset the settings back to factory settings because my company does not like this solution for our site. My question is how do I remove the watermark from all the media files. I go into media, and apply or remove watermark does not display. I tried re-activating the plugin to see if that changed anything, and apply watermark displays, however the watermark is already on these media file images.
I am using jetpack, WP super cache, as well as the varnish cache. I have tried to delete the caches, but the watermark does not disappear. Other than deleting the photos, and uploading them again what can I do?
The first one is using the remove watermark (you tried) but it requires to have an IW backup functionality enabled before watermarking your images. This option is great if you apply watermark to all image sizes or any set of image sizes that includes full size.
The second one is to use an external plugin like Ajax Thumbnails Rebuild or Regenerate Thumbnails. If you regenerate thumbnails the watermark will be removed. However you need to have full size images in original state, without watermark applied (this is what we suggest in IW settings).