diff --git a/resources/boundaries/osm/au.yaml b/resources/boundaries/osm/au.yaml
index 2b43fdd3..6e52c675 100644
--- a/resources/boundaries/osm/au.yaml
+++ b/resources/boundaries/osm/au.yaml
@@ -5,7 +5,6 @@
     "5": "state_district"
     "6": "state_district"
     "7": "city"
-    "8": "postcode"
     "9": "suburb"
     "10": "suburb"