I am trying to remove menu items from the backend but for some reason I can't remove specific menu items added by plugins. For example, I can use this line to remove the plugins page and it works just fine:
I have a plugin, CW Image Optimizer, that adds a sub menu under the Settings menu. The php file the plugin uses is named cw-image-optimizer.php. If I use the following line to remove the sub menu it doesn't work:
Is there something specific I need to do to remove menu and sub menu items added by plugins?