diff --git a/MvvmStuff/RelayCommand.cs b/MvvmStuff/RelayCommand.cs
deleted file mode 100644
index 71d5cc4..0000000
--- a/MvvmStuff/RelayCommand.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using System;
-using System.Windows.Input;
-
-namespace ModernWpfPlayground.MvvmStuff
-{
-    public class RelayCommand : ICommand
-    {
-        private readonly Predicate<object>? _canExecute;
-        private readonly Action<object> _execute;
-
-        public RelayCommand(Action<object> execute)
-        {
-            _execute = execute;
-        }
-
-        public RelayCommand(Action<object> execute, Predicate<object> canExecute)
-        {
-            _canExecute = canExecute;
-            _execute = execute;
-        }
-
-        public event EventHandler CanExecuteChanged
-        {
-            add => CommandManager.RequerySuggested += value;
-            remove => CommandManager.RequerySuggested -= value;
-        }
-
-        public bool CanExecute(object parameter) => _canExecute?.Invoke(parameter) ?? true;
-
-        public void Execute(object parameter)
-        {
-            _execute(parameter);
-        }
-    }
-}
\ No newline at end of file
diff --git a/WindowViewModel.cs b/WindowViewModel.cs
index dc02849..3f71068 100644
--- a/WindowViewModel.cs
+++ b/WindowViewModel.cs
@@ -8,6 +8,7 @@ using System.Windows;
 using System.Windows.Input;
 using Microsoft.Win32;
 using ModernWpfPlayground.MvvmStuff;
+using Prism.Commands;
 
 namespace ModernWpfPlayground
 {
@@ -43,11 +44,11 @@ namespace ModernWpfPlayground
 
         public WindowViewModel()
         {
-            ShowDialogCommand = new RelayCommand(async x => await ShowDialogAsync().ConfigureAwait(false));
-            CloseCommand = new RelayCommand(x => Application.Current.Shutdown());
-            OpenViewModelCommand = new RelayCommand(x => LoadViewModel());
-            SaveViewModelCommand = new RelayCommand(x => SaveViewModel());
-            ResetViewModelCommand = new RelayCommand(x =>
+            ShowDialogCommand = new DelegateCommand(async () => await ShowDialogAsync().ConfigureAwait(false));
+            CloseCommand = new DelegateCommand(() => Application.Current.Shutdown());
+            OpenViewModelCommand = new DelegateCommand(LoadViewModel);
+            SaveViewModelCommand = new DelegateCommand(SaveViewModel);
+            ResetViewModelCommand = new DelegateCommand(() =>
             {
                 ResetViewModel();
                 Path = null;
@@ -91,7 +92,7 @@ namespace ModernWpfPlayground
             set => SetProperty(value);
         }
 
-        public RelayCommand ShowDialogCommand { get; }
+        public ICommand ShowDialogCommand { get; }
 
         public string WelcomeMessage
         {