Index: trunk/src/org/openstreetmap/josm/data/validation/tests/DeprecatedTags.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/DeprecatedTags.java	(revision 6175)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/DeprecatedTags.java	(revision 6176)
@@ -119,4 +119,9 @@
                 alternative("barrier", "chain").
                 alternative("fence_type", "chain_link"));
+        // http://wiki.openstreetmap.org/wiki/Key:fence_type
+        // see #8962
+        checks.add(new DeprecationCheck(2123).
+                test("building", "entrance").
+                alternative("entrance"));
     }