To inactivate a location, go through the following steps: 

Step 1: In the main menu, on the left side, click on Settings. 

Step 2: Choose the Structure Setup option. 

Step 3: Select the edit item "pencil", of the location you want to inactivate.

Step 4: Disable the active selector.

Step 5: Click save. 

Example of how to inactivate a location: