diff --git a/MotionRecognition/MotionRecognition.csproj b/MotionRecognition/MotionRecognition.csproj
index fc13936..9ec21a1 100644
--- a/MotionRecognition/MotionRecognition.csproj
+++ b/MotionRecognition/MotionRecognition.csproj
@@ -8,7 +8,4 @@
     <PackageReference Include="encog-dotnet-core" Version="3.4.0" />
     <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
   </ItemGroup>
-  <ItemGroup>
-    <Compile Remove="src\Structures\Vec3.cs" />
-  </ItemGroup>
 </Project>
diff --git a/MotionRecognition/src/Data Loading/CSVBasedLoading/ICSVFilter.cs b/MotionRecognition/src/Data Loading/CSVBasedLoading/ICSVFilter.cs
index fd12d30..4618456 100644
--- a/MotionRecognition/src/Data Loading/CSVBasedLoading/ICSVFilter.cs	
+++ b/MotionRecognition/src/Data Loading/CSVBasedLoading/ICSVFilter.cs	
@@ -1,6 +1,6 @@
 namespace MotionRecognition
 {
-	public interface ICSVFilter
+	public interface ICSVFilter : IDataFilter
 	{
 		// True means that the column needs to be interpreted.
 		bool Use(ref string[] row, uint index);
diff --git a/MotionRecognition/src/Data Loading/IDataFilter.cs b/MotionRecognition/src/Data Loading/IDataFilter.cs
new file mode 100644
index 0000000..c7a57e9
--- /dev/null
+++ b/MotionRecognition/src/Data Loading/IDataFilter.cs	
@@ -0,0 +1,4 @@
+namespace MotionRecognition
+{
+    public interface IDataFilter { }
+}