diff --git a/vocabularies/index.json b/vocabularies/index.json
index 0590512..47adf3c 100644
--- a/vocabularies/index.json
+++ b/vocabularies/index.json
@@ -3,7 +3,6 @@
     "RoleCodeType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/roleCodeType",
     "ProtocolType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/protocoltype",
     "ServiceType.ttl": "https://pid.geoscience.gov.au/def/voc/ga/servicetype", 
-    "GeomorphologySettings.ttl": "https://pid.geoscience.gov.au/def/voc/ga/GeomorphologySettings",
     "MorphologyFeatures.ttl": "https://pid.geoscience.gov.au/def/voc/ga/MorphologyFeatures"
 }