diff --git a/src/command.cpp b/src/command.cpp
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -549,7 +549,6 @@ bool DoCommandP(TileIndex tile, uint32 p
 	 * estimate the cost of cloning a vehicle. */
 	notest =
 		(cmd & 0xFF) == CMD_CLEAR_AREA ||
-		(cmd & 0xFF) == CMD_CONVERT_RAIL ||
 		(cmd & 0xFF) == CMD_LEVEL_LAND ||
 		(cmd & 0xFF) == CMD_REMOVE_ROAD ||
 		(cmd & 0xFF) == CMD_REMOVE_LONG_ROAD ||