PowerShell: How to Delete Unique Permissions in SharePoint Lists

In this article, I’ll show you how to delete unique permissions in SharePoint lists with the following requirements:

  • Allow users to input Site URL and List Name as needed
  • Show the list of List Names on site
  • Ask users to select numerical order of list
  • Check to see if list exists with Unique permissions or not
  • Reset broken list inheritance
  • Reset Items level inheritance

How does it work?

Download DeleteUniquePermission.ps1 file to your server.

Make sure that your site contains a list that has stopped permission inheritance for both List level and Items level.

Permissions for this list

Permissions for Item

Run PowerShell script and input the parameters as pictured below:

Go back your list and ensure the list has deleted unique permissions as requested above.


All SharePoint Versions

The web parts are functional components that extend your SharePoint environment whether it’s hosted, on-premises, or part of Microsoft® Office 365.

SharePoint 2013, 2016, 2019, Online (Office 365)

On-Premises Only

These web parts extend SharePoint beyond its out-of-the-box capabilities by tailoring it to your requirements with Bamboo Solution’s growing portfolio of SharePoint Web Parts.

SharePoint 2013, 2016, 2019


Product Suites

Experience greater power and savings by bundling our SharePoint apps and web parts.

Essentials Suite

Essentials Plus Suite

Bamboo Premier Suite

Project Management Suite

Knowledge Management Suite

External User Manager


For more information on our product suites, contact us.

Featured Services

SharePoint Health Check

A SharePoint Health Check will identify the causes of issues and risks associated with your specific environment, and is custom tailored to provide you with the best recommendations to optimize your SharePoint environment.

SQL Health Check

Document recommendations relating to performance, stability, availability, or a specific focus you request of your SQL Server database instances.

My SharePointXperts

The truth is that each SharePoint skill may not be a full time job for many organizations, and it is nearly impossible for one person to do everything you need – so augment your team with SharePointXperts; providing the skill sets you need when you need them!