diff --git a/openapi/api-docs.yaml b/openapi/api-docs.yaml
index b80c4d2fef95..78e22091e567 100644
--- a/openapi/api-docs.yaml
+++ b/openapi/api-docs.yaml
@@ -57,12 +57,6 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/Activity'
-        422:
-          description: 'Validation error'
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ValidationError'
         default:
           description: 'Unexpected Error'
           content:
diff --git a/openapi/paths/paths.yaml b/openapi/paths/paths.yaml
index 331f98150e39..2dd9235929f1 100644
--- a/openapi/paths/paths.yaml
+++ b/openapi/paths/paths.yaml
@@ -33,12 +33,6 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/Activity'
-        422:
-          description: 'Validation error'
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/ValidationError'
         default:
           description: 'Unexpected Error'
           content: