In Glue, navigate to the Apps section of your inbox.
Locate and select the app you want to remove.
If the app has already been installed in a workpsace, there will be a gear icon instead of a plus sign. Click the app button for the workspace you'd like to remove the app from.
A pop up will open. Click Remove From Workspace.
Removing Custom Apps
Because Custom Apps are only available per workspace, these are located in your workspace settings.
In Glue, navigate to your workspace settings in the top left corner of your Glue window.