diff --git a/src/Umbraco.Web.BackOffice/Filters/EnsureUserPermissionForMediaAttribute.cs b/src/Umbraco.Web.BackOffice/Filters/EnsureUserPermissionForMediaAttribute.cs
deleted file mode 100644
index 607d77cd21..0000000000
--- a/src/Umbraco.Web.BackOffice/Filters/EnsureUserPermissionForMediaAttribute.cs
+++ /dev/null
@@ -1,184 +0,0 @@
-//using System;
-//using Microsoft.AspNetCore.Mvc;
-//using Microsoft.AspNetCore.Mvc.Filters;
-//using Umbraco.Core;
-//using Umbraco.Core.Models;
-//using Umbraco.Core.Security;
-//using Umbraco.Core.Services;
-//using Umbraco.Web.BackOffice.Controllers;
-//using Umbraco.Web.Common.Exceptions;
-//using Umbraco.Web.Editors;
-//using Umbraco.Web.Security;
-
-//namespace Umbraco.Web.BackOffice.Filters
-//{
-//    /// <summary>
-//    /// Auth filter to check if the current user has access to the content item
-//    /// </summary>
-//    /// <remarks>
-//    /// Since media doesn't have permissions, this simply checks start node access
-//    /// </remarks>
-//    internal sealed class EnsureUserPermissionForMediaAttribute : TypeFilterAttribute
-//    {
-//        // TODO: This needs to be an authorization policy
-
-//        public EnsureUserPermissionForMediaAttribute(int nodeId)
-//            : base(typeof(EnsureUserPermissionForMediaFilter))
-//        {
-//            Arguments = new object[]
-//            {
-//                nodeId
-//            };
-//        }
-
-//        public EnsureUserPermissionForMediaAttribute(string paramName)
-//            : base(typeof(EnsureUserPermissionForMediaFilter))
-//        {
-//            Arguments = new object[]
-//            {
-//                paramName
-//            };
-//        }
-//        private sealed class EnsureUserPermissionForMediaFilter : IActionFilter
-//        {
-//            private readonly int? _nodeId;
-//            private readonly string _paramName;
-//            private readonly IBackOfficeSecurityAccessor _backofficeSecurityAccessor;
-//            private readonly IEntityService _entityService;
-//            private readonly IMediaService _mediaService;
-
-//            /// <summary>
-//            /// This constructor will only be able to test the start node access
-//            /// </summary>
-//            public EnsureUserPermissionForMediaFilter(
-//                IBackOfficeSecurityAccessor backofficeSecurityAccessor,
-//                IEntityService entityService,
-//                IMediaService mediaService,
-//                int nodeId)
-//                :this(backofficeSecurityAccessor, entityService, mediaService, nodeId, null)
-//            {
-//                _nodeId = nodeId;
-//            }
-
-//            public EnsureUserPermissionForMediaFilter(
-//                IBackOfficeSecurityAccessor backofficeSecurityAccessor,
-//                IEntityService entityService,
-//                IMediaService mediaService,
-//                string paramName)
-//                :this(backofficeSecurityAccessor, entityService, mediaService,null, paramName)
-//            {
-//                if (paramName == null) throw new ArgumentNullException(nameof(paramName));
-//                if (string.IsNullOrEmpty(paramName))
-//                    throw new ArgumentException("Value can't be empty.", nameof(paramName));
-//            }
-
-//            private EnsureUserPermissionForMediaFilter(
-//                IBackOfficeSecurityAccessor backofficeSecurityAccessor,
-//                IEntityService entityService,
-//                IMediaService mediaService,
-//                int? nodeId, string paramName)
-//            {
-//                _backofficeSecurityAccessor = backofficeSecurityAccessor ?? throw new ArgumentNullException(nameof(backofficeSecurityAccessor));
-//                _entityService = entityService ?? throw new ArgumentNullException(nameof(entityService));
-//                _mediaService = mediaService ?? throw new ArgumentNullException(nameof(mediaService));
-
-//                _paramName = paramName;
-
-//                if (nodeId.HasValue)
-//                {
-//                    _nodeId = nodeId.Value;
-//                }
-//            }
-
-//            private int GetNodeIdFromParameter(object parameterValue)
-//            {
-//                if (parameterValue is int)
-//                {
-//                    return (int) parameterValue;
-//                }
-
-//                var guidId = Guid.Empty;
-//                if (parameterValue is Guid)
-//                {
-//                    guidId = (Guid) parameterValue;
-//                }
-//                else if (parameterValue is GuidUdi)
-//                {
-//                    guidId = ((GuidUdi) parameterValue).Guid;
-//                }
-
-//                if (guidId != Guid.Empty)
-//                {
-//                    var found = _entityService.GetId(guidId, UmbracoObjectTypes.Media);
-//                    if (found)
-//                        return found.Result;
-//                }
-
-//                throw new InvalidOperationException("The id type: " + parameterValue.GetType() +
-//                                                    " is not a supported id");
-//            }
-
-//            public void OnActionExecuting(ActionExecutingContext context)
-//            {
-//                if (_backofficeSecurityAccessor.BackOfficeSecurity.CurrentUser == null)
-//                {
-//                    throw new HttpResponseException(System.Net.HttpStatusCode.Unauthorized);
-//                }
-
-//                int nodeId;
-//                if (_nodeId.HasValue == false)
-//                {
-//                    var parts = _paramName.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
-
-//                    if (context.ActionArguments[parts[0]] == null)
-//                    {
-//                        throw new InvalidOperationException("No argument found for the current action with the name: " +
-//                                                            _paramName);
-//                    }
-
-//                    if (parts.Length == 1)
-//                    {
-//                        nodeId = GetNodeIdFromParameter(context.ActionArguments[parts[0]]);
-//                    }
-//                    else
-//                    {
-//                        //now we need to see if we can get the property of whatever object it is
-//                        var pType = context.ActionArguments[parts[0]].GetType();
-//                        var prop = pType.GetProperty(parts[1]);
-//                        if (prop == null)
-//                        {
-//                            throw new InvalidOperationException(
-//                                "No argument found for the current action with the name: " + _paramName);
-//                        }
-
-//                        nodeId = GetNodeIdFromParameter(prop.GetValue(context.ActionArguments[parts[0]]));
-//                    }
-//                }
-//                else
-//                {
-//                    nodeId = _nodeId.Value;
-//                }
-
-//                if (MediaController.CheckPermissions(
-//                    context.HttpContext.Items,
-//                    _backofficeSecurityAccessor.BackOfficeSecurity.CurrentUser,
-//                    _mediaService,
-//                    _entityService,
-//                    nodeId))
-//                {
-
-//                }
-//                else
-//                {
-//                    throw new HttpResponseException(System.Net.HttpStatusCode.Unauthorized);
-//                }
-//            }
-
-//            public void OnActionExecuted(ActionExecutedContext context)
-//            {
-
-//            }
-
-//        }
-//    }
-//}