diff --git a/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs b/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs
index 97c35e4..74caae7 100644
--- a/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs
+++ b/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs
@@ -596,7 +596,6 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			if (BuilderPlug.Me.SelectChangedafterUndoRedo)
 			{
 				General.Map.Map.SelectMarkedGeometry(true, true);
-				General.Map.Map.ConvertSelection(SelectionType.Things);
 			}
 
 			UpdateSelectionInfo(); // Update selection info and labels
@@ -613,7 +612,6 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			if (BuilderPlug.Me.SelectChangedafterUndoRedo)
 			{
 				General.Map.Map.SelectMarkedGeometry(true, true);
-				General.Map.Map.ConvertSelection(SelectionType.Things);
 			}
 
 			UpdateSelectionInfo(); // Update selection info and labels