diff --git a/MultiTerm.Wpf/Helpers/InvertedExtension.cs b/MultiTerm.Wpf/Helpers/InvertedExtension.cs
deleted file mode 100644
index 15ce128..0000000
--- a/MultiTerm.Wpf/Helpers/InvertedExtension.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using MultiTerm.Wpf.ValueConverters;
-using System;
-using System.Windows.Data;
-using System.Windows.Markup;
-
-namespace MultiTerm.Wpf.Helpers;
-
-///
-/// Extension that uses an .
-/// Inspired by: https://stackoverflow.com/questions/58519440/is-there-some-way-to-invert-a-converter
-///
-public class InvertedExtension : MarkupExtension
-{
- public IValueConverter Converter { get; set; }
-
- public InvertedExtension(IValueConverter converter)
- {
- Converter = new InverterConverter() { Converter = converter };
- }
-
- public override object ProvideValue(IServiceProvider serviceProvider)
- {
- return Converter;
- }
-}
diff --git a/MultiTerm.Wpf/ValueConverters/InverterConverter.cs b/MultiTerm.Wpf/ValueConverters/InverterConverter.cs
deleted file mode 100644
index d24885e..0000000
--- a/MultiTerm.Wpf/ValueConverters/InverterConverter.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using System;
-using System.Globalization;
-using System.Windows.Data;
-
-namespace MultiTerm.Wpf.ValueConverters;
-
-///
-/// Reverses s.
-///
-public class InverterConverter : IValueConverter
-{
- public IValueConverter? Converter { get; set; }
-
- public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
- {
- return Converter.ConvertBack(value, targetType, parameter, culture);
- }
-
- public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
- {
- return Converter.Convert(value, targetType, parameter, culture);
- }
-}
diff --git a/MultiTerm.Wpf/View/ShellView.xaml b/MultiTerm.Wpf/View/ShellView.xaml
index e2ece5c..5fe4ccc 100644
--- a/MultiTerm.Wpf/View/ShellView.xaml
+++ b/MultiTerm.Wpf/View/ShellView.xaml
@@ -317,18 +317,26 @@