diff --git a/AdventOfCode.lpr b/AdventOfCode.lpr
index 0bcdded..af7a029 100644
--- a/AdventOfCode.lpr
+++ b/AdventOfCode.lpr
@@ -1,6 +1,6 @@
 {
   Solutions to the Advent Of Code.
-  Copyright (C) 2023  Stefan Müller
+  Copyright (C) 2023-2024  Stefan Müller
 
   This program is free software: you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free Software
@@ -25,7 +25,7 @@ uses
   {$ENDIF}
   Classes, SysUtils, CustApp, Generics.Collections, USolver,
   UTrebuchet, UCubeConundrum, UGearRatios, UScratchcards, UGiveSeedFertilizer, UWaitForIt, UCamelCards,
-  UHauntedWasteland, UNumberTheory, UMirageMaintenance, UPipeMaze, UCosmicExpansion, UHotSprings, UPointOfIncidence,
+  UHauntedWasteland, UMirageMaintenance, UPipeMaze, UCosmicExpansion, UHotSprings, UPointOfIncidence,
   UParabolicReflectorDish, ULensLibrary, UFloorWillBeLava, UClumsyCrucible, ULavaductLagoon, UAplenty,
   UPulsePropagation, UStepCounter, USandSlabs, ULongWalk, UNeverTellMeTheOdds;