diff --git a/resources/schema/CORE-base.json b/resources/schema/CORE-base.json
index 9eb632fa7..1619ba6da 100644
--- a/resources/schema/CORE-base.json
+++ b/resources/schema/CORE-base.json
@@ -423,9 +423,6 @@
               }
             ]
           },
-          "Is Relationship": {
-            "const": true
-          },
           "Child": {
             "const": true
           },
diff --git a/resources/schema/Operations.json b/resources/schema/Operations.json
index 7e9013d75..88b35f19c 100644
--- a/resources/schema/Operations.json
+++ b/resources/schema/Operations.json
@@ -462,6 +462,9 @@
     "ct_version": {
       "type": "string"
     },
+    "delimiter": {
+      "type": "string"
+    },
     "dictionary_term_type": {
       "enum": ["LLT", "PT", "HLT", "HLGT", "SOC"]
     },