diff --git a/src/taskmon/Gui/Controls/HeaderControl.cs b/src/taskmon/Gui/Controls/HeaderControl.cs
index 32eecbb..869cd8a 100644
--- a/src/taskmon/Gui/Controls/HeaderControl.cs
+++ b/src/taskmon/Gui/Controls/HeaderControl.cs
@@ -4,7 +4,6 @@
 using Task.Monitor.System;
 using Task.Monitor.System.Controls;
 using Task.Monitor.System.Controls.Chart;
-using Task.Monitor.System.Controls.ListView;
 using IProcessor = Task.Monitor.Process.IProcessor;
 using ProcessorEventArgs = Task.Monitor.Process.ProcessorEventArgs;
 
diff --git a/tests/Task.Monitor.Tests/Gui/Controls/HeaderControlTests.cs b/tests/Task.Monitor.Tests/Gui/Controls/HeaderControlTests.cs
index 2000b53..3e02fd8 100644
--- a/tests/Task.Monitor.Tests/Gui/Controls/HeaderControlTests.cs
+++ b/tests/Task.Monitor.Tests/Gui/Controls/HeaderControlTests.cs
@@ -102,8 +102,11 @@ public void Should_Draw_Header()
         runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("192.168.1.110"))), Times.Once);
         runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("Mac15,7"))), Times.Once);
         runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("12 Cores"))), Times.Once);
-        runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("18 Gpu"))), Times.Once);
-        
+
+        if (OperatingSystem.IsMacOS()) {
+            runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("18 Gpu"))), Times.Once);
+        }
+
         runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("Tasks:"))), Times.Once);
         runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("739"))), Times.Once);
         runContextHelper.terminal.Verify(t => t.Write(It.Is<string>(s => s.Contains("Threads:"))), Times.Once);