diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c87a449f..dc960e581 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -83,7 +83,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fixed query DSL `match` that supports a field name and value ([#405](https://github.com/opensearch-project/opensearch-api-specification/pull/405)) 
 - Fixed `/_mapping` with `index` in query ([#385](https://github.com/opensearch-project/opensearch-api-specification/pull/385))
 - Fixed duplicate `/_nodes/{node_id}` path ([#416](https://github.com/opensearch-project/opensearch-api-specification/pull/416))
-- Fixed required value for `constant_keyword` field type ([#419](https://github.com/opensearch-project/opensearch-api-specification/pull/419))
 
 ### Security
 
diff --git a/spec/schemas/_common.mapping.yaml b/spec/schemas/_common.mapping.yaml
index 6c4645abe..18ef5472f 100644
--- a/spec/schemas/_common.mapping.yaml
+++ b/spec/schemas/_common.mapping.yaml
@@ -789,14 +789,13 @@ components:
         - type: object
           properties:
             value:
-              type: string
+              type: object
             type:
               type: string
               enum:
                 - constant_keyword
           required:
             - type
-            - value
     FieldAliasProperty:
       allOf:
         - $ref: '#/components/schemas/PropertyBase'
diff --git a/tests/mapping/constant_keyword.yaml b/tests/mapping/constant_keyword.yaml
deleted file mode 100644
index 0d209edc5..000000000
--- a/tests/mapping/constant_keyword.yaml
+++ /dev/null
@@ -1,31 +0,0 @@
-$schema: ../../json_schemas/test_story.schema.yaml
-
-description: Test constant_keyword field type and retrieving a doc.
-version: '>= 2.14'
-prologues:
-  - path: /movies
-    method: PUT
-    request_body:
-      payload:
-        mappings:
-          properties:
-            genre:
-              type: constant_keyword
-              value: Romantic comedy
-
-epilogues:
-  - path: /movies
-    method: DELETE
-    status: [200, 404]
-chapters:
-  - synopsis: Create a document.
-    path: /{index}/_doc
-    method: POST
-    parameters:
-      index: movies
-    request_body:
-      payload:
-        genre: Romantic comedy
-        year: 1991
-    response:
-      status: 201