diff --git a/extensions/2.0/Vendor/EXT_structural_metadata_hierarchy/schema/propertyTable.EXT_structural_metadata_hierarchy.schema.json b/extensions/2.0/Vendor/EXT_structural_metadata_hierarchy/schema/propertyTable.EXT_structural_metadata_hierarchy.schema.json
deleted file mode 100644
index bb0f43b80d..0000000000
--- a/extensions/2.0/Vendor/EXT_structural_metadata_hierarchy/schema/propertyTable.EXT_structural_metadata_hierarchy.schema.json
+++ /dev/null
@@ -1,36 +0,0 @@
-{
-    "$schema": "https://json-schema.org/draft/2020-12/schema",
-    "$id": "propertyTable.EXT_structural_metadata_hierarchy.schema.json",
-    "title": "EXT_structural_metadata_hierarchy Property Table extension",
-    "type": "object",
-    "description": "Allows entities in a property table to have parent entities, establishing a metadata hierarchy. A parent entity is specified by a property table index and an element index within the property table. If the property table index and element index are the same as the current entity's, then the entity does not have a parent. Circular references are not allowed.",
-    "allOf": [
-        {
-            "$ref": "glTFProperty.schema.json"
-        }
-    ],
-    "properties": {
-        "parentPropertyTables": {
-            "allOf": [
-                {
-                    "$ref": "glTFid.schema.json"
-                }
-            ],
-            "description": "The index of the accessor containing property table indices."
-        },
-        "parentIndices": {
-            "allOf": [
-                {
-                    "$ref": "glTFid.schema.json"
-                }
-            ],
-            "description": "The index of the accessor containing element indices."
-        },
-        "extensions": {},
-        "extras": {}
-    },
-    "required": [
-        "parentPropertyTables",
-        "parentIndices"
-    ]
-}
\ No newline at end of file