diff --git a/src/Orchard.Web/Modules/Orchard.Users/AdminMenu.cs b/src/Orchard.Web/Modules/Orchard.Users/AdminMenu.cs
index 61fd94b74..bb70a843e 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/AdminMenu.cs
+++ b/src/Orchard.Web/Modules/Orchard.Users/AdminMenu.cs
@@ -1,4 +1,5 @@
 using Orchard.Localization;
+using Orchard.Security;
 using Orchard.UI.Navigation;
 
 namespace Orchard.Users {
@@ -9,7 +10,7 @@ namespace Orchard.Users {
         public void GetNavigation(NavigationBuilder builder) {
             builder.Add(T("Users"), "40",
                 menu => menu.Add(T("Users"), "1.0", item => item.Action("Index", "Admin", new { area = "Orchard.Users" })
-                    .Permission(Permissions.ManageUsers)));
+                    .Permission(StandardPermissions.SiteOwner)));
         }
     }
 }
diff --git a/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs b/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
index bdc1f9adc..20f91fa65 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
@@ -40,7 +40,7 @@ namespace Orchard.Users.Controllers {
         public Localizer T { get; set; }
 
         public ActionResult Index() {
-            if (!Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to list users")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to list users")))
                 return new HttpUnauthorizedResult();
 
             var users = Services.ContentManager
@@ -58,7 +58,7 @@ namespace Orchard.Users.Controllers {
         }
 
         public ActionResult Create() {
-            if (!Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.New<IUser>("User");
@@ -73,7 +73,7 @@ namespace Orchard.Users.Controllers {
 
         [HttpPost, ActionName("Create")]
         public ActionResult CreatePOST(UserCreateViewModel createModel) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             if (!string.IsNullOrEmpty(createModel.UserName)) {
@@ -114,7 +114,7 @@ namespace Orchard.Users.Controllers {
         }
 
         public ActionResult Edit(int id) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.Get<UserPart>(id);
@@ -129,7 +129,7 @@ namespace Orchard.Users.Controllers {
 
         [HttpPost, ActionName("Edit")]
         public ActionResult EditPOST(int id) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.Get<UserPart>(id);
@@ -169,7 +169,7 @@ namespace Orchard.Users.Controllers {
         }
 
         public ActionResult Delete(int id) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.Get<IUser>(id);
@@ -191,7 +191,7 @@ namespace Orchard.Users.Controllers {
         }
 
         public ActionResult SendChallengeEmail(int id) {
-            if ( !Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")) )
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.Get(id);
@@ -206,7 +206,7 @@ namespace Orchard.Users.Controllers {
         }
 
         public ActionResult Approve(int id) {
-            if ( !Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")) )
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.Get(id);
@@ -220,7 +220,7 @@ namespace Orchard.Users.Controllers {
         }
 
         public ActionResult Moderate(int id) {
-            if ( !Services.Authorizer.Authorize(Permissions.ManageUsers, T("Not authorized to manage users")) )
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
             var user = Services.ContentManager.Get<IUser>(id);
diff --git a/src/Orchard.Web/Modules/Orchard.Users/Orchard.Users.csproj b/src/Orchard.Web/Modules/Orchard.Users/Orchard.Users.csproj
index a61a69717..ebd7505ae 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/Orchard.Users.csproj
+++ b/src/Orchard.Web/Modules/Orchard.Users/Orchard.Users.csproj
@@ -69,7 +69,6 @@
     <Compile Include="Handlers\UserPartHandler.cs" />
     <Compile Include="Models\UserPartRecord.cs" />
     <Compile Include="Models\UserStatus.cs" />
-    <Compile Include="Permissions.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Services\IUserService.cs" />
     <Compile Include="Services\MembershipService.cs" />
diff --git a/src/Orchard.Web/Modules/Orchard.Users/Permissions.cs b/src/Orchard.Web/Modules/Orchard.Users/Permissions.cs
deleted file mode 100644
index 9b58052d2..000000000
--- a/src/Orchard.Web/Modules/Orchard.Users/Permissions.cs
+++ /dev/null
@@ -1,29 +0,0 @@
-using System.Collections.Generic;
-using JetBrains.Annotations;
-using Orchard.Environment.Extensions.Models;
-using Orchard.Security.Permissions;
-
-namespace Orchard.Users {
-    [UsedImplicitly]
-    public class Permissions : IPermissionProvider {
-        public static readonly Permission ManageUsers = new Permission { Description = "Manage users", Name = "ManageUsers" };
-
-        public virtual Feature Feature { get; set; }
-
-        public IEnumerable<Permission> GetPermissions() {
-            return new[] {
-                ManageUsers,
-            };
-        }
-
-        public IEnumerable<PermissionStereotype> GetDefaultStereotypes() {
-            return new[] {
-                new PermissionStereotype {
-                    Name = "Administrator",
-                    Permissions = new[] {ManageUsers}
-                }
-            };
-        }
-
-    }
-}