--- a/src/water_cmd.cpp	Tue Jan 16 11:13:00 2007 +0000
+++ b/src/water_cmd.cpp	Tue Jan 16 15:18:02 2007 +0000
@@ -636,8 +636,7 @@
 	};
 
 	/* Ensure sea-level canals do not flood */
-	if ((IsTileType(tile, MP_WATER) || IsTileType(tile, MP_TUNNELBRIDGE)) &&
-			!IsTileOwner(tile, OWNER_WATER)) return;
+	if (IsTileType(tile, MP_WATER) && !IsTileOwner(tile, OWNER_WATER)) return;
 
 	if (IS_INT_INSIDE(TileX(tile), 1, MapSizeX() - 3 + 1) &&
 			IS_INT_INSIDE(TileY(tile), 1, MapSizeY() - 3 + 1)) {