diff --git a/Tests/MatterControl.Tests/MatterControl/ReleaseBuildTests.cs b/Tests/MatterControl.Tests/MatterControl/ReleaseBuildTests.cs
index f78d20cd1..3064e65bc 100644
--- a/Tests/MatterControl.Tests/MatterControl/ReleaseBuildTests.cs
+++ b/Tests/MatterControl.Tests/MatterControl/ReleaseBuildTests.cs
@@ -53,7 +53,6 @@ namespace MatterControl.Tests
 						MatterHackers.OpenGL.UI.dll
 						agg_platform_win32.dll
 						Community.CsharpSqlite.dll
-						MatterHackers.SerialPortCommunication.dll
 						MatterHackers.MatterControl.Plugins.dll
 						MatterHackers.Agg.ImageProcessing.dll
 						MatterHackers.MarchingSquares.dll