diff --git a/src/Microsoft.IdentityModel.Tokens/LogMessages.cs b/src/Microsoft.IdentityModel.Tokens/LogMessages.cs
index 158b2de2ef..c0a67df3c7 100644
--- a/src/Microsoft.IdentityModel.Tokens/LogMessages.cs
+++ b/src/Microsoft.IdentityModel.Tokens/LogMessages.cs
@@ -239,7 +239,7 @@ internal static class LogMessages
         public const string IDX10812 = "IDX10812: Unable to create a {0} from the properties found in the JsonWebKey: '{1}'.";
         public const string IDX10813 = "IDX10813: Unable to create a {0} from the properties found in the JsonWebKey: '{1}', Exception '{2}'.";
         public const string IDX10814 = "IDX10814: Unable to create a {0} from the properties found in the JsonWebKey: '{1}'. Missing: '{2}'.";
-        public const string IDX10815 = "IDX10815: Depth of JSON: '{0}' exceeds max depth of '{1}'.";
+        //public const string IDX10815 = "IDX10815: Depth of JSON: '{0}' exceeds max depth of '{1}'.";
         public const string IDX10816 = "IDX10816: Decompressing would result in a token with a size greater than allowed. Maximum size allowed: '{0}'.";
 
         // Base64UrlEncoding
diff --git a/test/Microsoft.IdentityModel.AotCompatibility.Tests/Microsoft.IdentityModel.AotCompatibility.Tests.csproj b/test/Microsoft.IdentityModel.AotCompatibility.Tests/Microsoft.IdentityModel.AotCompatibility.Tests.csproj
index 2d4cc1811b..2a5b1cab35 100644
--- a/test/Microsoft.IdentityModel.AotCompatibility.Tests/Microsoft.IdentityModel.AotCompatibility.Tests.csproj
+++ b/test/Microsoft.IdentityModel.AotCompatibility.Tests/Microsoft.IdentityModel.AotCompatibility.Tests.csproj
@@ -5,6 +5,7 @@
   <PropertyGroup>
     <!-- This test only needs to run on .NET -->
     <TargetFrameworks>net6.0</TargetFrameworks>
+    <LangVersion>10</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>