diff --git a/src/Volo.Abp.AspNetCore/Properties/AssemblyInfo.cs b/src/Volo.Abp.AspNetCore/Properties/AssemblyInfo.cs
index 313776b4b9..386ea5f6ae 100644
--- a/src/Volo.Abp.AspNetCore/Properties/AssemblyInfo.cs
+++ b/src/Volo.Abp.AspNetCore/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/AbpAspNetCoreModule.cs b/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/AbpAspNetCoreModule.cs
index e59190e0b9..4e9f74545f 100644
--- a/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/AbpAspNetCoreModule.cs
+++ b/src/Volo.Abp.AspNetCore/Volo/Abp/AspNetCore/AbpAspNetCoreModule.cs
@@ -1,7 +1,6 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Modularity;
-using Volo.DependencyInjection;
 
 namespace Volo.Abp.AspNetCore
 {
diff --git a/src/Volo.Abp.MultiTenancy/Properties/AssemblyInfo.cs b/src/Volo.Abp.MultiTenancy/Properties/AssemblyInfo.cs
index feb0614d63..e5d9e9a707 100644
--- a/src/Volo.Abp.MultiTenancy/Properties/AssemblyInfo.cs
+++ b/src/Volo.Abp.MultiTenancy/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/src/Volo.Abp/Properties/AssemblyInfo.cs b/src/Volo.Abp/Properties/AssemblyInfo.cs
index e1de3d578c..8f7c032cf8 100644
--- a/src/Volo.Abp/Properties/AssemblyInfo.cs
+++ b/src/Volo.Abp/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/src/Volo.Abp/Volo/Abp/AbpApplication.cs b/src/Volo.Abp/Volo/Abp/AbpApplication.cs
index 5872415f40..cb33119d3a 100644
--- a/src/Volo.Abp/Volo/Abp/AbpApplication.cs
+++ b/src/Volo.Abp/Volo/Abp/AbpApplication.cs
@@ -1,7 +1,6 @@
 using System;
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Modularity;
-using Volo.DependencyInjection;
 
 namespace Volo.Abp
 {
diff --git a/src/Volo.Abp/Volo/Abp/AbpKernelModule.cs b/src/Volo.Abp/Volo/Abp/AbpKernelModule.cs
index 322a68c2d0..f66d20925e 100644
--- a/src/Volo.Abp/Volo/Abp/AbpKernelModule.cs
+++ b/src/Volo.Abp/Volo/Abp/AbpKernelModule.cs
@@ -1,6 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Modularity;
-using Volo.DependencyInjection;
 
 namespace Volo.Abp
 {
diff --git a/src/Volo.DependencyInjection/Properties/AssemblyInfo.cs b/src/Volo.DependencyInjection/Properties/AssemblyInfo.cs
index 7115e7edb8..0b503fb893 100644
--- a/src/Volo.DependencyInjection/Properties/AssemblyInfo.cs
+++ b/src/Volo.DependencyInjection/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/src/Volo.ExtensionMethods/Properties/AssemblyInfo.cs b/src/Volo.ExtensionMethods/Properties/AssemblyInfo.cs
index 3f4164a707..bc1acba485 100644
--- a/src/Volo.ExtensionMethods/Properties/AssemblyInfo.cs
+++ b/src/Volo.ExtensionMethods/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/test/AbpTestBase/Properties/AssemblyInfo.cs b/test/AbpTestBase/Properties/AssemblyInfo.cs
index 8d75a28a9d..e6d6e83024 100644
--- a/test/AbpTestBase/Properties/AssemblyInfo.cs
+++ b/test/AbpTestBase/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/test/Volo.Abp.AspNetCore.Tests/Properties/AssemblyInfo.cs b/test/Volo.Abp.AspNetCore.Tests/Properties/AssemblyInfo.cs
index 52795eeeb0..557717ac97 100644
--- a/test/Volo.Abp.AspNetCore.Tests/Properties/AssemblyInfo.cs
+++ b/test/Volo.Abp.AspNetCore.Tests/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/test/Volo.Abp.MultiTenancy.Tests/Properties/AssemblyInfo.cs b/test/Volo.Abp.MultiTenancy.Tests/Properties/AssemblyInfo.cs
index ec2d1d7efa..4296d56286 100644
--- a/test/Volo.Abp.MultiTenancy.Tests/Properties/AssemblyInfo.cs
+++ b/test/Volo.Abp.MultiTenancy.Tests/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/test/Volo.Abp.Tests/Properties/AssemblyInfo.cs b/test/Volo.Abp.Tests/Properties/AssemblyInfo.cs
index 2c2097a329..21596db04a 100644
--- a/test/Volo.Abp.Tests/Properties/AssemblyInfo.cs
+++ b/test/Volo.Abp.Tests/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/test/Volo.DependencyInjection.Tests/Properties/AssemblyInfo.cs b/test/Volo.DependencyInjection.Tests/Properties/AssemblyInfo.cs
index 9325f9cb60..b33e4df489 100644
--- a/test/Volo.DependencyInjection.Tests/Properties/AssemblyInfo.cs
+++ b/test/Volo.DependencyInjection.Tests/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following
diff --git a/test/Volo.ExtensionMethods.Tests/Properties/AssemblyInfo.cs b/test/Volo.ExtensionMethods.Tests/Properties/AssemblyInfo.cs
index e962b3f9cf..5c757b0217 100644
--- a/test/Volo.ExtensionMethods.Tests/Properties/AssemblyInfo.cs
+++ b/test/Volo.ExtensionMethods.Tests/Properties/AssemblyInfo.cs
@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following