Before You Begin

Make sure that you have Removed the Add-In/SPFx from Site Collection Recycle Bin

Step 1: Login to your Office 365 admin center page with administrator account, then choose Admin


Step 2: Go to SharePoint Admin Center

 Or in the new admin center

Step 3: Open App Catalog page

Click on Classic features on the left menu section:

Click on Open button under the Apps section:

Click the App Catalog:

Step 4: Open Apps for SharePoint

Step 5: Find ShortPoint item and right-click to open the context menu and click Delete.