diff --git a/CustomWidgets/PerformanceFeedbackWindow.cs b/CustomWidgets/PerformanceFeedbackWindow.cs
deleted file mode 100644
index 5c2716d1e..000000000
--- a/CustomWidgets/PerformanceFeedbackWindow.cs
+++ /dev/null
@@ -1,70 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.IO;
-
-using MatterHackers.Agg;
-using MatterHackers.Agg.Font;
-using MatterHackers.Agg.Image;
-using MatterHackers.Agg.ImageProcessing;
-using MatterHackers.Agg.OpenGlGui;
-using MatterHackers.Agg.UI;
-using MatterHackers.Agg.VertexSource;
-using MatterHackers.MarchingSquares;
-using MatterHackers.MatterControl;
-using MatterHackers.MatterControl.DataStorage;
-using MatterHackers.MatterControl.PartPreviewWindow;
-using MatterHackers.MatterControl.PrintLibrary;
-using MatterHackers.MatterControl.PrintQueue;
-using MatterHackers.MeshVisualizer;
-using MatterHackers.PolygonMesh;
-using MatterHackers.PolygonMesh.Csg;
-using MatterHackers.PolygonMesh.Processors;
-using MatterHackers.RayTracer;
-using MatterHackers.RayTracer.Traceable;
-using MatterHackers.RenderOpenGl;
-using MatterHackers.VectorMath;
-
-namespace MatterHackers.Agg.UI
-{
-    public class PerformanceFeedbackWindow : SystemWindow
-    {
-        string timingString;
-        StyledTypeFace boldFont;
-
-        public PerformanceFeedbackWindow()
-            : base(700, 480)
-        {
-            BackgroundColor = RGBA_Bytes.White;
-            ShowAsSystemWindow();
-
-            string staticDataPath = ApplicationDataStorage.Instance.ApplicationStaticDataPath;
-            string fontPath = Path.Combine(staticDataPath, "Fonts", "LiberationMono.svg");
-            TypeFace boldTypeFace = TypeFace.LoadSVG(fontPath);
-            boldFont = new StyledTypeFace(boldTypeFace, 12);
-        }
-
-        public override void OnDraw(Graphics2D graphics2D)
-        {
-            TypeFacePrinter stringPrinter = new TypeFacePrinter(timingString, boldFont, new Vector2(0, Height - 16));
-            stringPrinter.DrawFromHintedCache = true;
-
-            stringPrinter.Render(graphics2D, RGBA_Bytes.Black);
-            
-            base.OnDraw(graphics2D);
-        }
-
-        void SetDisplay(string timingString)
-        {
-            this.timingString = timingString;
-            Invalidate();
-        }
-
-        public void ShowResults(double totalTimeTracked)
-        {
-            string timingString = ExecutionTimer.Instance.GetResults(totalTimeTracked);
-            SetDisplay(timingString);
-        }
-    }
-}
diff --git a/MatterControl.csproj b/MatterControl.csproj
index 7c9e76cd0..28b51b87e 100644
--- a/MatterControl.csproj
+++ b/MatterControl.csproj
@@ -74,7 +74,6 @@
     <Compile Include="ActionBar\PrintStatusRow.cs" />
     <Compile Include="CustomWidgets\ExportQueueItemWindow.cs" />
     <Compile Include="CustomWidgets\ExportToFolderFeedbackWindow.cs" />
-    <Compile Include="CustomWidgets\PerformanceFeedbackWindow.cs" />
     <Compile Include="FieldValidation.cs" />
     <Compile Include="PartPreviewWindow\CreateDiscreteMeshes.cs" />
     <Compile Include="CustomWidgets\EditableNumberDisplay.cs" />
diff --git a/MatterControlApplication.cs b/MatterControlApplication.cs
index feb37650d..c4e2cd308 100644
--- a/MatterControlApplication.cs
+++ b/MatterControlApplication.cs
@@ -264,7 +264,12 @@ namespace MatterHackers.MatterControl
 #if false
             if (timingWindow == null)
             {
-                timingWindow = new PerformanceFeedbackWindow();
+            string staticDataPath = ApplicationDataStorage.Instance.ApplicationStaticDataPath;
+            string fontPath = Path.Combine(staticDataPath, "Fonts", "LiberationMono.svg");
+            TypeFace boldTypeFace = TypeFace.LoadSVG(fontPath);
+            typeFaceToUse = new StyledTypeFace(boldTypeFace, 12);
+
+            timingWindow = new PerformanceFeedbackWindow();
             }
             {
                 if (totalDrawTime.Elapsed.TotalSeconds > .05)
diff --git a/SliceConfiguration/SliceSettingsWidget.cs b/SliceConfiguration/SliceSettingsWidget.cs
index 76547eb49..dd5c45bfd 100644
--- a/SliceConfiguration/SliceSettingsWidget.cs
+++ b/SliceConfiguration/SliceSettingsWidget.cs
@@ -1,19 +1,10 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.IO;
-
-using Newtonsoft.Json;
-using Newtonsoft.Json.Converters;
-using Newtonsoft.Json.Serialization;
-using Newtonsoft.Json.Utilities;
-
 using MatterHackers.Agg;
-using MatterHackers.Agg.UI;
-using MatterHackers.VectorMath;
 using MatterHackers.Agg.Font;
+using MatterHackers.Agg.UI;
 using MatterHackers.Localizations;
+using MatterHackers.VectorMath;
 
 namespace MatterHackers.MatterControl
 {