How to Delete a Permission Level in SharePoint using PowerShell?

Requirement: PowerShell to remove a permission level in SharePoint

How to remove a permission level in SharePoint?

In this blog post, we will walk you through how to delete a permission level in SharePoint. Deleting a permission level can be helpful if you want to simplify your permissions structure or if you no longer need the permission level. We will show you how to delete a permission level in SharePoint using PowerShell.

To delete a permission level in SharePoint, follow these steps:

• Login to your SharePoint site as Farm/Site collection administrator. 
• Navigate to Site Settings >> Site Permissions 
• Click on the “Permission Level” button from the ribbon. 
• Select the permission level to remove and click on the “Delete Selected Permission Levels” link.

  

• Confirm the prompt to delete permission level.

Keep in mind that deleting a permission level will also delete all permissions of the users and groups granted that permission level. Now, let’s see SharePoint PowerShell to remove a permission level.

SharePoint: PowerShell script to delete a permission level

Use this PowerShell script, if you want to remove a permission level from your environment for any reason:

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue 

#Configuration parameters
$WebURL="https://portal.crescent.com/sites/Sales/"
$PermissionLevelName="Contribute without Delete"

#Get the Web
$Web = Get-SPWeb $WebURL

if($Web.RoleDefinitions[$PermissionLevelName] -ne $null)
{
   $Web.RoleDefinitions.Delete($PermissionLevelName)
   write-host "Permission level Deleted successfully!" -f Green
}
else
{
 write-host "Permission level Not Found!" -f Red
}