diff --git a/src/Orchard.Web/Modules/Orchard.MultiTenancy/AdminMenu.cs b/src/Orchard.Web/Modules/Orchard.MultiTenancy/AdminMenu.cs
index 738be1b6a..d87f54f1d 100644
--- a/src/Orchard.Web/Modules/Orchard.MultiTenancy/AdminMenu.cs
+++ b/src/Orchard.Web/Modules/Orchard.MultiTenancy/AdminMenu.cs
@@ -1,5 +1,6 @@
 using Orchard.Environment.Configuration;
 using Orchard.Localization;
+using Orchard.Security;
 using Orchard.UI.Navigation;
 
 namespace Orchard.MultiTenancy {
@@ -20,7 +21,7 @@ namespace Orchard.MultiTenancy {
 
             builder.Add(T("Tenants"), "100",
                 menu => menu.Add(T("List"), "0", item => item.Action("Index", "Admin", new { area = "Orchard.MultiTenancy" })
-                    .Permission(Permissions.ManageTenants)));
+                    .Permission(StandardPermissions.SiteOwner)));
         }
     }
 }
diff --git a/src/Orchard.Web/Modules/Orchard.MultiTenancy/Controllers/AdminController.cs b/src/Orchard.Web/Modules/Orchard.MultiTenancy/Controllers/AdminController.cs
index 4881ef86a..a7952c512 100644
--- a/src/Orchard.Web/Modules/Orchard.MultiTenancy/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.MultiTenancy/Controllers/AdminController.cs
@@ -5,6 +5,7 @@ using Orchard.Environment.Configuration;
 using Orchard.Localization;
 using Orchard.MultiTenancy.Services;
 using Orchard.MultiTenancy.ViewModels;
+using Orchard.Security;
 using Orchard.UI.Notify;
 
 namespace Orchard.MultiTenancy.Controllers {
@@ -29,7 +30,7 @@ namespace Orchard.MultiTenancy.Controllers {
         }
 
         public ActionResult Add() {
-            if (!Services.Authorizer.Authorize(Permissions.ManageTenants, T("Cannot create tenant")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Cannot create tenant")))
                 return new HttpUnauthorizedResult();
 
             if ( !EnsureDefaultTenant() )
@@ -41,7 +42,7 @@ namespace Orchard.MultiTenancy.Controllers {
         [HttpPost, ActionName("Add")]
         public ActionResult AddPOST(TenantAddViewModel viewModel) {
             try {
-                if (!Services.Authorizer.Authorize(Permissions.ManageTenants, T("Couldn't create tenant")))
+                if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Couldn't create tenant")))
                     return new HttpUnauthorizedResult();
 
                 if ( !EnsureDefaultTenant() )
@@ -67,7 +68,7 @@ namespace Orchard.MultiTenancy.Controllers {
         }
 
         public ActionResult Edit(string name) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageTenants, T("Cannot edit tenant")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Cannot edit tenant")))
                 return new HttpUnauthorizedResult();
 
             if ( !EnsureDefaultTenant() )
@@ -91,7 +92,7 @@ namespace Orchard.MultiTenancy.Controllers {
         [HttpPost, ActionName("Edit")]
         public ActionResult EditPost(TenantEditViewModel viewModel) {
             try {
-                if (!Services.Authorizer.Authorize(Permissions.ManageTenants, T("Couldn't edit tenant")))
+                if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Couldn't edit tenant")))
                     return new HttpUnauthorizedResult();
 
                 if ( !EnsureDefaultTenant() )
@@ -122,7 +123,7 @@ namespace Orchard.MultiTenancy.Controllers {
 
         [HttpPost]
         public ActionResult Disable(string name) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageTenants, T("Couldn't disable tenant")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Couldn't disable tenant")))
                 return new HttpUnauthorizedResult();
 
             if ( !EnsureDefaultTenant() )
@@ -140,7 +141,7 @@ namespace Orchard.MultiTenancy.Controllers {
 
         [HttpPost]
         public ActionResult Enable(string name) {
-            if (!Services.Authorizer.Authorize(Permissions.ManageTenants, T("Couldn't enable tenant")))
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Couldn't enable tenant")))
                 return new HttpUnauthorizedResult();
 
             if ( !EnsureDefaultTenant() )
diff --git a/src/Orchard.Web/Modules/Orchard.MultiTenancy/Orchard.MultiTenancy.csproj b/src/Orchard.Web/Modules/Orchard.MultiTenancy/Orchard.MultiTenancy.csproj
index 350a06865..9a3a7520e 100644
--- a/src/Orchard.Web/Modules/Orchard.MultiTenancy/Orchard.MultiTenancy.csproj
+++ b/src/Orchard.Web/Modules/Orchard.MultiTenancy/Orchard.MultiTenancy.csproj
@@ -63,7 +63,6 @@
     <Compile Include="ViewModels\TenantEditViewModel.cs" />
     <Compile Include="ViewModels\TenantAddViewModel.cs" />
     <Compile Include="ViewModels\TenantsIndexViewModel.cs" />
-    <Compile Include="Permissions.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/src/Orchard.Web/Modules/Orchard.MultiTenancy/Permissions.cs b/src/Orchard.Web/Modules/Orchard.MultiTenancy/Permissions.cs
deleted file mode 100644
index 74cbb8fad..000000000
--- a/src/Orchard.Web/Modules/Orchard.MultiTenancy/Permissions.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-using System.Collections.Generic;
-using Orchard.Environment.Extensions.Models;
-using Orchard.Security.Permissions;
-
-namespace Orchard.MultiTenancy {
-    public class Permissions : IPermissionProvider {
-        public static readonly Permission ManageTenants = new Permission { Description = "Modifying Tenants of a Site", Name = "ManageTenants" };
-
-        public virtual Feature Feature { get; set; }
-
-        public IEnumerable<Permission> GetPermissions() {
-            return new[] {
-                ManageTenants
-            };
-        }
-
-        public IEnumerable<PermissionStereotype> GetDefaultStereotypes() {
-            return new[] {
-                new PermissionStereotype {
-                    Name = "Administrator",
-                    Permissions = new[] {ManageTenants}
-                },
-            };
-        }
-
-    }
-}
\ No newline at end of file