diff --git a/DelauneyTriangulation/ViewModels/MainWindowViewModel.cs b/DelauneyTriangulation/ViewModels/MainWindowViewModel.cs
index 6affe9a..a18bb8e 100644
--- a/DelauneyTriangulation/ViewModels/MainWindowViewModel.cs
+++ b/DelauneyTriangulation/ViewModels/MainWindowViewModel.cs
@@ -388,12 +388,7 @@ public partial class MainWindowViewModel : ViewModelBase
         }
 
         // remove triangles containing super triangle vertex
-        var toRemove = new List<Geometries.Triangle>();
-        foreach (var t in Triangles)
-        {
-            if (UsesVertex(t, sa) || UsesVertex(t, sb) || UsesVertex(t, sc)) toRemove.Add(t);
-        }
-
+        var toRemove = Triangles.Where(t => UsesVertex(t, sa) || UsesVertex(t, sb) || UsesVertex(t, sc)).ToList();
         foreach (var t in toRemove) Triangles.Remove(t);
 
         DrawCircles(Triangles, sa, sb, sc);