diff --git a/schemas/data-ingress/pis-data.json b/schemas/data-ingress/pis-data.json
index d92b1d6..cedcb80 100644
--- a/schemas/data-ingress/pis-data.json
+++ b/schemas/data-ingress/pis-data.json
@@ -25,13 +25,6 @@
             },
             "description": "List of 3ALPHA/CRS Codes"
         },
-        "crsHash": {
-            "type": "string",
-            "minLength": 1,
-            "maxLength": 64,
-            "pattern": "^[0-9]+$",
-            "description": "Stringified 64-bit hash"
-        },
         "tiplocStops": {
             "type": "array",
             "items": {
@@ -41,14 +34,8 @@
                 "pattern": "^[a-zA-Z0-9]+$"
             },
             "description": "List of TIPLOC Codes"
-        },
-        "tiplocHash": {
-            "type": "string",
-            "minLength": 1,
-            "maxLength": 64,
-            "pattern": "^[0-9]+$"
         }
     },
-    "required": ["code", "toc", "crsStops", "crsHash", "tiplocStops", "tiplocHash"],
+    "required": ["code", "toc", "crsStops", "tiplocStops"],
     "additionalProperties": false
 }
\ No newline at end of file