diff --git a/test/Microsoft.AspNet.Routing.Tests/Logging/NullLoggerFactory.cs b/test/Microsoft.AspNet.Routing.Tests/Logging/NullLoggerFactory.cs
index e012631af7..6e91fe030a 100644
--- a/test/Microsoft.AspNet.Routing.Tests/Logging/NullLoggerFactory.cs
+++ b/test/Microsoft.AspNet.Routing.Tests/Logging/NullLoggerFactory.cs
@@ -13,5 +13,9 @@ namespace Microsoft.AspNet.Routing
         {
             return NullLogger.Instance;
         }
+
+        public void AddProvider(ILoggerProvider provider)
+        {
+        }
     }
 }
\ No newline at end of file
diff --git a/test/Microsoft.AspNet.Routing.Tests/Logging/TestLoggerFactory.cs b/test/Microsoft.AspNet.Routing.Tests/Logging/TestLoggerFactory.cs
index e30540ec12..49fe0db326 100644
--- a/test/Microsoft.AspNet.Routing.Tests/Logging/TestLoggerFactory.cs
+++ b/test/Microsoft.AspNet.Routing.Tests/Logging/TestLoggerFactory.cs
@@ -18,5 +18,9 @@ namespace Microsoft.AspNet.Routing
         {
             return new TestLogger(name, _sink);
         }
+
+        public void AddProvider(ILoggerProvider provider)
+        {
+        }
     }
 }
\ No newline at end of file