diff --git a/OpenEphys.Onix1.Design/ContactTag.cs b/OpenEphys.Onix1.Design/ContactTag.cs
index 078d8a1..da922c1 100644
--- a/OpenEphys.Onix1.Design/ContactTag.cs
+++ b/OpenEphys.Onix1.Design/ContactTag.cs
@@ -1,5 +1,3 @@
-using System;
-
 namespace OpenEphys.Onix1.Design
 {
     /// <summary>
diff --git a/OpenEphys.Onix1.Design/NeuropixelsV2eDialog.cs b/OpenEphys.Onix1.Design/NeuropixelsV2eDialog.cs
index 7177915..db0966c 100644
--- a/OpenEphys.Onix1.Design/NeuropixelsV2eDialog.cs
+++ b/OpenEphys.Onix1.Design/NeuropixelsV2eDialog.cs
@@ -1,7 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Windows.Forms;
 
 namespace OpenEphys.Onix1.Design
diff --git a/OpenEphys.Onix1/NeuropixelsV1eElectrode.cs b/OpenEphys.Onix1/NeuropixelsV1eElectrode.cs
index 67fe563..6359a9c 100644
--- a/OpenEphys.Onix1/NeuropixelsV1eElectrode.cs
+++ b/OpenEphys.Onix1/NeuropixelsV1eElectrode.cs
@@ -1,5 +1,4 @@
 using System.Drawing;
-using OpenEphys.ProbeInterface.NET;
 
 namespace OpenEphys.Onix1
 {
diff --git a/OpenEphys.Onix1/NeuropixelsV2QuadShankElectrode.cs b/OpenEphys.Onix1/NeuropixelsV2QuadShankElectrode.cs
index e34ef6a..a24c01e 100644
--- a/OpenEphys.Onix1/NeuropixelsV2QuadShankElectrode.cs
+++ b/OpenEphys.Onix1/NeuropixelsV2QuadShankElectrode.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Drawing;
 using System.Xml.Serialization;
-using OpenEphys.ProbeInterface;
 
 namespace OpenEphys.Onix1
 {