diff --git a/TweetDuck.csproj b/TweetDuck.csproj
index b7ddbb4e..8744cbee 100644
--- a/TweetDuck.csproj
+++ b/TweetDuck.csproj
@@ -207,7 +207,6 @@
     <Compile Include="Core\Notification\Screenshot\TweetScreenshotManager.cs" />
     <Compile Include="Data\Serialization\FileSerializer.cs" />
     <Compile Include="Data\InjectedHTML.cs" />
-    <Compile Include="Data\Serialization\ISerializedObject.cs" />
     <Compile Include="Data\Serialization\ITypeConverter.cs" />
     <Compile Include="Data\Serialization\SingleTypeConverter.cs" />
     <Compile Include="Data\TwoKeyDictionary.cs" />
diff --git a/tests/Data/TestFileSerializer.cs b/tests/Data/TestFileSerializer.cs
index 231fc943..70df0c8c 100644
--- a/tests/Data/TestFileSerializer.cs
+++ b/tests/Data/TestFileSerializer.cs
@@ -10,16 +10,12 @@ private enum TestEnum{
             A, B, C, D, E
         }
 
-        private class SerializationTestBasic : ISerializedObject{
+        private class SerializationTestBasic{
             public bool TestBool { get; set; }
             public int TestInt { get; set; }
             public string TestString { get; set; }
             public string TestStringNull { get; set; }
             public TestEnum TestEnum { get; set; }
-
-            bool ISerializedObject.OnReadUnknownProperty(string property, string value){
-                return false;
-            }
         }
 
         [TestMethod]