diff --git a/src/BizHawk.Client.EmuHawk/Extensions/ToolExtensions.cs b/src/BizHawk.Client.EmuHawk/Extensions/ToolExtensions.cs
index 22a54ebd34..4b45ab5a28 100644
--- a/src/BizHawk.Client.EmuHawk/Extensions/ToolExtensions.cs
+++ b/src/BizHawk.Client.EmuHawk/Extensions/ToolExtensions.cs
@@ -2,8 +2,6 @@
 using System.IO;
 using System.Collections.Generic;
 using System.Windows.Forms;
-using System.Linq;
-
 using BizHawk.Common;
 using BizHawk.Emulation.Common;
 using BizHawk.Client.Common;
diff --git a/src/BizHawk.Client.EmuHawk/MainForm.Hotkey.cs b/src/BizHawk.Client.EmuHawk/MainForm.Hotkey.cs
index 2b3ea753b5..4a12f40fac 100644
--- a/src/BizHawk.Client.EmuHawk/MainForm.Hotkey.cs
+++ b/src/BizHawk.Client.EmuHawk/MainForm.Hotkey.cs
@@ -1,7 +1,5 @@
 using System;
 using System.Linq;
-
-using BizHawk.Common;
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Cores.Consoles.Nintendo.NDS;
 using BizHawk.Emulation.Cores.Nintendo.Gameboy;
diff --git a/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs b/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs
index 5dcbd0f681..f016ed48e4 100644
--- a/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/ExternalToolManager.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Drawing;
 using System.IO;
 using System.Linq;
diff --git a/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs b/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs
index 68b9d81e57..bce5129c15 100644
--- a/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/ToolManager.cs
@@ -9,7 +9,6 @@ using System.ComponentModel;
 using System.Windows.Forms;
 
 using BizHawk.Client.Common;
-using BizHawk.Client.EmuHawk.CoreExtensions;
 using BizHawk.Common;
 using BizHawk.Common.ReflectionExtensions;
 using BizHawk.Emulation.Common;