diff --git a/experiment_designer/form_main.pas b/experiment_designer/form_main.pas
index 6d133ae..c93789a 100644
--- a/experiment_designer/form_main.pas
+++ b/experiment_designer/form_main.pas
@@ -230,7 +230,6 @@ uses game_resources, game_actors, game_actors_point, string_methods, strutils
   {$IFDEF WINDOWS}
   , Dos
   {$ENDIF}
-  , Dos
   ;
 
 const SV_FILENAME : string = 'Filename';
--
libgit2 0.21.2