diff --git a/train_cmd.c b/train_cmd.c
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -498,24 +498,6 @@ static void NormalizeTrainVehInDepot(Veh
 	}
 }
 
-static const byte _railveh_unk1[] = {
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 1, 1, 0, 0, 0,
-	0, 0, 0, 0, 1, 0, 1, 0,
-	0, 1, 1, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 1,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0,
-};
-
 static const byte _railveh_score[] = {
 	1, 4, 7, 19, 20, 30, 31, 19,
 	20, 21, 22, 10, 11, 30, 31, 32,
@@ -590,8 +572,6 @@ int32 CmdBuildRailVehicle(int x, int y, 
 		if (!IsTileOwner(tile, _current_player)) return CMD_ERROR;
 	}
 
-	_cmd_build_rail_veh_var1 = 0;
-
 	SET_EXPENSES_TYPE(EXPENSES_NEW_VEHICLES);
 
 	rvi = RailVehInfo(p1);
@@ -676,7 +656,6 @@ int32 CmdBuildRailVehicle(int x, int y, 
 			InvalidateWindow(WC_COMPANY, v->owner);
 		}
 	}
-	_cmd_build_rail_veh_var1 = _railveh_unk1[p1];
 	_cmd_build_rail_veh_score = _railveh_score[p1];
 
 	InvalidateWindow(WC_REPLACE_VEHICLE, VEH_Train); // updates the replace Train window