diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Dashboards/Volo/Abp/AspNetCore/Mvc/UI/Dashboards/DashboardOptionsExtensions.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Dashboards/Volo/Abp/AspNetCore/Mvc/UI/Dashboards/DashboardOptionsExtensions.cs
deleted file mode 100644
index bacba13b62..0000000000
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Dashboards/Volo/Abp/AspNetCore/Mvc/UI/Dashboards/DashboardOptionsExtensions.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace Volo.Abp.AspNetCore.Mvc.UI.Dashboards
-{
-    public static class WidgetOptionsExtensions
-    {
-        public static void AddDashboards<T>(this DashboardOptions options)
-            where T : IDashboardDefinitionProvider, new()
-        {
-            var widgets = new T().GetDefinitions();
-            options.Dashboards.AddRange(widgets);
-        }
-    }
-}
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Dashboards/Volo/Abp/AspNetCore/Mvc/UI/Dashboards/IDashboardDefinitionProvider.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Dashboards/Volo/Abp/AspNetCore/Mvc/UI/Dashboards/IDashboardDefinitionProvider.cs
deleted file mode 100644
index 049dc3fd05..0000000000
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Dashboards/Volo/Abp/AspNetCore/Mvc/UI/Dashboards/IDashboardDefinitionProvider.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-using System.Collections.Generic;
-
-namespace Volo.Abp.AspNetCore.Mvc.UI.Dashboards
-{
-    public interface IDashboardDefinitionProvider
-    {
-        List<DashboardDefinition> GetDefinitions();
-    }
-}
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/IWidgetDefinitionProvider.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/IWidgetDefinitionProvider.cs
deleted file mode 100644
index f1f94f7e09..0000000000
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/IWidgetDefinitionProvider.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-using System.Collections.Generic;
-
-namespace Volo.Abp.AspNetCore.Mvc.UI.Widgets
-{
-    public interface IWidgetDefinitionProvider
-    {
-        List<WidgetDefinition> GetDefinitions();
-    }
-}
diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/WidgetOptionsExtensions.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/WidgetOptionsExtensions.cs
deleted file mode 100644
index 4a7b3be9e8..0000000000
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Widgets/Volo/Abp/AspNetCore/Mvc/UI/Widgets/WidgetOptionsExtensions.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace Volo.Abp.AspNetCore.Mvc.UI.Widgets
-{
-    public static class WidgetOptionsExtensions
-    {
-        public static void AddWidgets<T>(this WidgetOptions options)
-            where T : IWidgetDefinitionProvider, new()
-        {
-            var widgets = new T().GetDefinitions();
-            options.Widgets.AddRange(widgets);
-        }
-    }
-}
diff --git a/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemoWebModule.cs b/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemoWebModule.cs
index 85b2dc21b7..2854db7807 100644
--- a/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemoWebModule.cs
+++ b/samples/DashboardDemo/src/DashboardDemo.Web/DashboardDemoWebModule.cs
@@ -87,7 +87,7 @@ namespace DashboardDemo
         {
             Configure<WidgetOptions>(options =>
             {
-                options.AddWidgets<WidgetDefinitionProvider>();
+                options.Widgets.AddRange(WidgetDefinitionProvider.GetDefinitions());
             });
         }
 
@@ -95,7 +95,7 @@ namespace DashboardDemo
         {
             Configure<DashboardOptions>(options =>
             {
-                options.AddDashboards<DashboardDefinitionProvider>();
+                options.Dashboards.AddRange(DashboardDefinitionProvider.GetDefinitions());
             });
         }
 
diff --git a/samples/DashboardDemo/src/DashboardDemo.Web/Dashboards/DashboardDefinitionProvider.cs b/samples/DashboardDemo/src/DashboardDemo.Web/Dashboards/DashboardDefinitionProvider.cs
index 914f8dd233..8f6d21a720 100644
--- a/samples/DashboardDemo/src/DashboardDemo.Web/Dashboards/DashboardDefinitionProvider.cs
+++ b/samples/DashboardDemo/src/DashboardDemo.Web/Dashboards/DashboardDefinitionProvider.cs
@@ -7,9 +7,9 @@ using Volo.Abp.Localization;
 
 namespace DashboardDemo.Dashboards
 {
-    public class DashboardDefinitionProvider : IDashboardDefinitionProvider
+    public static class DashboardDefinitionProvider
     {
-        public List<DashboardDefinition> GetDefinitions()
+        public static List<DashboardDefinition> GetDefinitions()
         {
             var myDashboard = new DashboardDefinition(
                 DashboardNames.MyDashboard,
diff --git a/samples/DashboardDemo/src/DashboardDemo.Web/Widgets/WidgetDefinitionProvider.cs b/samples/DashboardDemo/src/DashboardDemo.Web/Widgets/WidgetDefinitionProvider.cs
index 36392bb6e5..57a583e732 100644
--- a/samples/DashboardDemo/src/DashboardDemo.Web/Widgets/WidgetDefinitionProvider.cs
+++ b/samples/DashboardDemo/src/DashboardDemo.Web/Widgets/WidgetDefinitionProvider.cs
@@ -6,9 +6,9 @@ using Volo.Abp.Localization;
 
 namespace DashboardDemo.Widgets
 {
-    public class WidgetDefinitionProvider : IWidgetDefinitionProvider
+    public static class WidgetDefinitionProvider
     {
-        public List<WidgetDefinition> GetDefinitions()
+        public static List<WidgetDefinition> GetDefinitions()
         {
             return new List<WidgetDefinition>
             {