diff --git a/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractPackage.cs b/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractPackage.cs
index 35bae587be256..654e8721e475e 100644
--- a/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractPackage.cs
+++ b/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractPackage.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.
 
-#nullable disable
-
 using System;
 using System.Threading;
 using Microsoft.VisualStudio.ComponentModelHost;
@@ -14,7 +12,7 @@ namespace Microsoft.VisualStudio.LanguageServices.Implementation.LanguageService
 {
     internal abstract class AbstractPackage : AsyncPackage
     {
-        private IComponentModel _componentModel_doNotAccessDirectly;
+        private IComponentModel? _componentModel_doNotAccessDirectly;
 
         internal IComponentModel ComponentModel
         {