diff --git a/Directory.Build.props b/Directory.Build.props
index 9e43a25628b..473bb801c35 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -14,6 +14,7 @@
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <CheckForOverflowUnderflow>false</CheckForOverflowUnderflow>
     <LangVersion>preview</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
   </PropertyGroup>
 
diff --git a/global.json b/global.json
index 63ed63d7ac3..7c19266d667 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "tools": {
-    "dotnet": "6.0.100-rc.1.21379.2",
+    "dotnet": "6.0.100-rc.1.21416.15",
     "runtimes": {
       "dotnet/x64": [
         "$(VSRedistCommonNetCoreSharedFrameworkx6460PackageVersion)"
@@ -11,7 +11,7 @@
     }
   },
   "sdk": {
-    "version": "6.0.100-rc.1.21379.2"
+    "version": "6.0.100-rc.1.21416.15"
   },
   "msbuild-sdks": {
     "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21412.1",
diff --git a/src/System.Windows.Forms.Analyzers.CSharp/src/System/Windows/Forms/Generators/ApplicationConfigurationGenerator.cs b/src/System.Windows.Forms.Analyzers.CSharp/src/System/Windows/Forms/Generators/ApplicationConfigurationGenerator.cs
index 16db059182c..5f5bb11912d 100644
--- a/src/System.Windows.Forms.Analyzers.CSharp/src/System/Windows/Forms/Generators/ApplicationConfigurationGenerator.cs
+++ b/src/System.Windows.Forms.Analyzers.CSharp/src/System/Windows/Forms/Generators/ApplicationConfigurationGenerator.cs
@@ -3,7 +3,6 @@
 // See the LICENSE file in the project root for more information.
 
 using System.Collections.Immutable;
-using System.Linq;
 using System.Windows.Forms.Analyzers;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
diff --git a/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationGenerator.cs b/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationGenerator.cs
index 891c233cbdc..4e22479302c 100644
--- a/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationGenerator.cs
+++ b/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationGenerator.cs
@@ -2,10 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using System.Collections.Generic;
-using System.Linq;
 using System.Text;
-using System.Threading;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
 
diff --git a/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationInfo.cs b/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationInfo.cs
index 103af9daf7e..432edca5346 100644
--- a/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationInfo.cs
+++ b/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/EnumValidationInfo.cs
@@ -2,8 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.CodeAnalysis;
 
 namespace System.Windows.Forms.PrivateSourceGenerators
diff --git a/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/SyntaxReceiver.cs b/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/SyntaxReceiver.cs
index 24b03a04e1b..e544eb67235 100644
--- a/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/SyntaxReceiver.cs
+++ b/src/System.Windows.Forms.PrivateSourceGenerators/src/System/Windows/Forms/SourceGenerators/SyntaxReceiver.cs
@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp.Syntax;