diff --git a/src/Sonarr.Api.V3/DownloadClient/DownloadClientController.cs b/src/Sonarr.Api.V3/DownloadClient/DownloadClientController.cs
index 48795c542..0f79a83c6 100644
--- a/src/Sonarr.Api.V3/DownloadClient/DownloadClientController.cs
+++ b/src/Sonarr.Api.V3/DownloadClient/DownloadClientController.cs
@@ -6,8 +6,8 @@ namespace Sonarr.Api.V3.DownloadClient
     [V3ApiController]
     public class DownloadClientController : ProviderControllerBase<DownloadClientResource, DownloadClientBulkResource, IDownloadClient, DownloadClientDefinition>
     {
-        public static readonly DownloadClientResourceMapper ResourceMapper = new DownloadClientResourceMapper();
-        public static readonly DownloadClientBulkResourceMapper BulkResourceMapper = new DownloadClientBulkResourceMapper();
+        public static readonly DownloadClientResourceMapper ResourceMapper = new ();
+        public static readonly DownloadClientBulkResourceMapper BulkResourceMapper = new ();
 
         public DownloadClientController(IDownloadClientFactory downloadClientFactory)
             : base(downloadClientFactory, "downloadclient", ResourceMapper, BulkResourceMapper)
diff --git a/src/Sonarr.Api.V3/ImportLists/ImportListController.cs b/src/Sonarr.Api.V3/ImportLists/ImportListController.cs
index 659d54d9f..8ea3887dd 100644
--- a/src/Sonarr.Api.V3/ImportLists/ImportListController.cs
+++ b/src/Sonarr.Api.V3/ImportLists/ImportListController.cs
@@ -8,8 +8,8 @@ namespace Sonarr.Api.V3.ImportLists
     [V3ApiController]
     public class ImportListController : ProviderControllerBase<ImportListResource, ImportListBulkResource, IImportList, ImportListDefinition>
     {
-        public static readonly ImportListResourceMapper ResourceMapper = new ImportListResourceMapper();
-        public static readonly ImportListBulkResourceMapper BulkResourceMapper = new ImportListBulkResourceMapper();
+        public static readonly ImportListResourceMapper ResourceMapper = new ();
+        public static readonly ImportListBulkResourceMapper BulkResourceMapper = new ();
 
         public ImportListController(IImportListFactory importListFactory, ProfileExistsValidator profileExistsValidator)
             : base(importListFactory, "importlist", ResourceMapper, BulkResourceMapper)
diff --git a/src/Sonarr.Api.V3/Indexers/IndexerController.cs b/src/Sonarr.Api.V3/Indexers/IndexerController.cs
index 0f79678d1..444993c2f 100644
--- a/src/Sonarr.Api.V3/Indexers/IndexerController.cs
+++ b/src/Sonarr.Api.V3/Indexers/IndexerController.cs
@@ -6,8 +6,8 @@ namespace Sonarr.Api.V3.Indexers
     [V3ApiController]
     public class IndexerController : ProviderControllerBase<IndexerResource, IndexerBulkResource, IIndexer, IndexerDefinition>
     {
-        public static readonly IndexerResourceMapper ResourceMapper = new IndexerResourceMapper();
-        public static readonly IndexerBulkResourceMapper BulkResourceMapper = new IndexerBulkResourceMapper();
+        public static readonly IndexerResourceMapper ResourceMapper = new ();
+        public static readonly IndexerBulkResourceMapper BulkResourceMapper = new ();
 
         public IndexerController(IndexerFactory indexerFactory)
             : base(indexerFactory, "indexer", ResourceMapper, BulkResourceMapper)
diff --git a/src/Sonarr.Api.V3/Metadata/MetadataController.cs b/src/Sonarr.Api.V3/Metadata/MetadataController.cs
index 1f27d1e31..006cab8ba 100644
--- a/src/Sonarr.Api.V3/Metadata/MetadataController.cs
+++ b/src/Sonarr.Api.V3/Metadata/MetadataController.cs
@@ -1,3 +1,5 @@
+using System;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Extras.Metadata;
 using Sonarr.Http;
 
@@ -6,12 +8,24 @@ namespace Sonarr.Api.V3.Metadata
     [V3ApiController]
     public class MetadataController : ProviderControllerBase<MetadataResource, MetadataBulkResource, IMetadata, MetadataDefinition>
     {
-        public static readonly MetadataResourceMapper ResourceMapper = new MetadataResourceMapper();
-        public static readonly MetadataBulkResourceMapper BulkResourceMapper = new MetadataBulkResourceMapper();
+        public static readonly MetadataResourceMapper ResourceMapper = new ();
+        public static readonly MetadataBulkResourceMapper BulkResourceMapper = new ();
 
         public MetadataController(IMetadataFactory metadataFactory)
             : base(metadataFactory, "metadata", ResourceMapper, BulkResourceMapper)
         {
         }
+
+        [NonAction]
+        public override ActionResult<MetadataResource> UpdateProvider([FromBody] MetadataBulkResource providerResource)
+        {
+            throw new NotImplementedException();
+        }
+
+        [NonAction]
+        public override object DeleteProviders([FromBody] MetadataBulkResource resource)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/src/Sonarr.Api.V3/Notifications/NotificationController.cs b/src/Sonarr.Api.V3/Notifications/NotificationController.cs
index 7e3566b01..b20c0fae7 100644
--- a/src/Sonarr.Api.V3/Notifications/NotificationController.cs
+++ b/src/Sonarr.Api.V3/Notifications/NotificationController.cs
@@ -1,3 +1,5 @@
+using System;
+using Microsoft.AspNetCore.Mvc;
 using NzbDrone.Core.Notifications;
 using Sonarr.Http;
 
@@ -6,12 +8,24 @@ namespace Sonarr.Api.V3.Notifications
     [V3ApiController]
     public class NotificationController : ProviderControllerBase<NotificationResource, NotificationBulkResource, INotification, NotificationDefinition>
     {
-        public static readonly NotificationResourceMapper ResourceMapper = new NotificationResourceMapper();
-        public static readonly NotificationBulkResourceMapper BulkResourceMapper = new NotificationBulkResourceMapper();
+        public static readonly NotificationResourceMapper ResourceMapper = new ();
+        public static readonly NotificationBulkResourceMapper BulkResourceMapper = new ();
 
         public NotificationController(NotificationFactory notificationFactory)
             : base(notificationFactory, "notification", ResourceMapper, BulkResourceMapper)
         {
         }
+
+        [NonAction]
+        public override ActionResult<NotificationResource> UpdateProvider([FromBody] NotificationBulkResource providerResource)
+        {
+            throw new NotImplementedException();
+        }
+
+        [NonAction]
+        public override object DeleteProviders([FromBody] NotificationBulkResource resource)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/src/Sonarr.Api.V3/ProviderControllerBase.cs b/src/Sonarr.Api.V3/ProviderControllerBase.cs
index dc14d7865..c5f6a5bcb 100644
--- a/src/Sonarr.Api.V3/ProviderControllerBase.cs
+++ b/src/Sonarr.Api.V3/ProviderControllerBase.cs
@@ -103,7 +103,7 @@ namespace Sonarr.Api.V3
         [HttpPut("bulk")]
         [Consumes("application/json")]
         [Produces("application/json")]
-        public ActionResult<TProviderResource> UpdateProvider([FromBody] TBulkProviderResource providerResource)
+        public virtual ActionResult<TProviderResource> UpdateProvider([FromBody] TBulkProviderResource providerResource)
         {
             if (!providerResource.Ids.Any())
             {
@@ -164,7 +164,7 @@ namespace Sonarr.Api.V3
 
         [HttpDelete("bulk")]
         [Consumes("application/json")]
-        public object DeleteProviders([FromBody] TBulkProviderResource resource)
+        public virtual object DeleteProviders([FromBody] TBulkProviderResource resource)
         {
             _providerFactory.Delete(resource.Ids);