diff --git a/tester/v1/openapi.yaml b/tester/v1/openapi.yaml
index 6a8ffbc..9990b50 100644
--- a/tester/v1/openapi.yaml
+++ b/tester/v1/openapi.yaml
@@ -578,7 +578,6 @@ components:
         - time_limit
         - created_at
         - updated_at
-        - solved_count
       properties:
         id:
           type: integer
@@ -597,10 +596,6 @@ components:
         updated_at:
           type: string
           format: date-time
-        solved_count:
-          type: integer
-          format: int32
-
     ListProblemsResponse:
       type: object
       required: