1 files changed, 3 insertions, 3 deletions
diff --git a/src/coreclr/tools/Common/TypeSystem/IL/Stubs/TypeGetTypeMethodThunk.cs b/src/coreclr/tools/Common/TypeSystem/IL/Stubs/TypeGetTypeMethodThunk.cs
index 7e7a9133b13..48db579f5ea 100644
--- a/src/coreclr/tools/Common/TypeSystem/IL/Stubs/TypeGetTypeMethodThunk.cs
+++ b/src/coreclr/tools/Common/TypeSystem/IL/Stubs/TypeGetTypeMethodThunk.cs
@@ -12,7 +12,7 @@ namespace Internal.IL.Stubs
     /// the calling assembly for a matching type if the type name supplied by the user code was not assembly qualified.
     /// This thunk calls a helper method, passing it a string for what should be considered the "calling assembly".
     /// </summary>
-    internal partial class TypeGetTypeMethodThunk : ILStubMethod
+    internal sealed partial class TypeGetTypeMethodThunk : ILStubMethod
     {
         private readonly MethodDesc _helperMethod;
 
@@ -104,7 +104,7 @@ namespace Internal.IL.Stubs
         }
     }
 
-    internal class TypeGetTypeMethodThunkCache
+    internal sealed class TypeGetTypeMethodThunkCache
     {
         private TypeDesc _owningTypeForThunks;
         private Unifier _cache;
@@ -132,7 +132,7 @@ namespace Internal.IL.Stubs
             }
         }
 
-        private class Unifier : LockFreeReaderHashtable<Key, TypeGetTypeMethodThunk>
+        private sealed class Unifier : LockFreeReaderHashtable<Key, TypeGetTypeMethodThunk>
         {
             private TypeGetTypeMethodThunkCache _parent;