diff --git a/src/Features/CSharp/Portable/UsePatternMatching/CSharpIsAndCastCheckWithoutNameDiagnosticAnalyzer.cs b/src/Features/CSharp/Portable/UsePatternMatching/CSharpIsAndCastCheckWithoutNameDiagnosticAnalyzer.cs
index 338927aa024ada7f647c6c94e9101a854f344022..a3d016bf52337236211d37420e78d41f70e710b9 100644
--- a/src/Features/CSharp/Portable/UsePatternMatching/CSharpIsAndCastCheckWithoutNameDiagnosticAnalyzer.cs
+++ b/src/Features/CSharp/Portable/UsePatternMatching/CSharpIsAndCastCheckWithoutNameDiagnosticAnalyzer.cs
@@ -26,7 +26,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UsePatternMatching
     /// but only for code cases where the user has provided an appropriate variable name in
     /// code that can be used).
     /// </summary>
-    [ExportCodeRefactoringProvider(LanguageNames.CSharp), Shared]
+    [DiagnosticAnalyzer(LanguageNames.CSharp), Shared]
     internal class CSharpIsAndCastCheckWithoutNameDiagnosticAnalyzer : AbstractCodeStyleDiagnosticAnalyzer
     {
         private const string CS0165 = nameof(CS0165); // Use of unassigned local variable 's'