Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 11146)
+++ trunk/data/validator/combinations.mapcss	(revision 11153)
@@ -129,4 +129,5 @@
 relation[route=ski][!piste:type][type=route],
 *[tourism=information][!information],
+*[leisure=pitch][!sport],
 *[aeroway=terminal][!building],
 *[power=generator][!generator:source],
Index: trunk/data/validator/unnecessary.mapcss
===================================================================
--- trunk/data/validator/unnecessary.mapcss	(revision 11146)
+++ trunk/data/validator/unnecessary.mapcss	(revision 11153)
@@ -7,4 +7,5 @@
   /* see #9365 - Useless tag layer=0 */
   throwWarning: tr("{0} is unnecessary", "{0.tag}");
+  group: tr("unnecessary tag");
   fixRemove: "{0.key}";
   assertMatch: "way layer=0";
@@ -20,4 +21,5 @@
 area:closed[shop    ][area?] {
   throwWarning: tr("{0} is unnecessary for {1}", "{2.key}", "{1.key}");
+  group: tr("unnecessary tag");
   fixRemove: "{2.key}";
 }