diff --git a/simple.yaml b/simple.yaml
index b635d93..8772ca2 100644
--- a/simple.yaml
+++ b/simple.yaml
@@ -5,13 +5,6 @@ info:
 servers:
 - url: https://localhost:8080
 components:
-  parameters:
-    groupId:
-      in: query
-      name: groupId
-      required: false
-      schema:
-        type: string
   schemas:
     GroupView:
       type: object
@@ -19,14 +12,6 @@ components:
         data:
           type: object
           properties:
-            created:
-              type: string
-              format: date-time
-              readOnly: true
-              pattern: "^[a-z]+$"
-            id:
-              type: string
-              readOnly: true
             name:
               type: string
           required:
@@ -45,12 +30,6 @@ paths:
         description: Creates one project.
         required: true
       responses:
-        "200":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/GroupView'
-          description: SUCCESS
         "400":
           content:
             application/json: