diff --git a/test/UnitTests/Microsoft.Testing.Platform.UnitTests/Logging/LoggingManagerTests.cs b/test/UnitTests/Microsoft.Testing.Platform.UnitTests/Logging/LoggingManagerTests.cs
index e74aad6708..606c239da6 100644
--- a/test/UnitTests/Microsoft.Testing.Platform.UnitTests/Logging/LoggingManagerTests.cs
+++ b/test/UnitTests/Microsoft.Testing.Platform.UnitTests/Logging/LoggingManagerTests.cs
@@ -9,12 +9,6 @@
 
 namespace Microsoft.Testing.Platform.UnitTests;
 
-internal interface IExtensionLoggerProvider : ILoggerProvider, IExtension;
-
-internal interface IInitializableLoggerProvider : ILoggerProvider, IAsyncInitializableExtension;
-
-internal interface IInitializableExtensionLoggerProvider : ILoggerProvider, IExtension, IAsyncInitializableExtension;
-
 [TestClass]
 public sealed class LoggingManagerTests
 {