Index: /trunk/data/validator/unnecessary.mapcss
===================================================================
--- /trunk/data/validator/unnecessary.mapcss	(revision 14903)
+++ /trunk/data/validator/unnecessary.mapcss	(revision 14904)
@@ -35,5 +35,7 @@
 }
 
-/* #17482 */
+/* #9257, #17482 */
+way[foot =~ /^(yes|designated)$/][highway =~ /^(footway|pedestrian)$/],
+way[bicycle =~ /^(yes|designated)$/][highway=cycleway],
 *[building:ruian:type=2][building=farm_auxiliary],
 *[building:ruian:type=7][building=house],