diff --git a/src/bentoml/_internal/service/openapi/__init__.py b/src/bentoml/_internal/service/openapi/__init__.py
index d315db8108..911744e470 100644
--- a/src/bentoml/_internal/service/openapi/__init__.py
+++ b/src/bentoml/_internal/service/openapi/__init__.py
@@ -103,7 +103,6 @@ def generate_spec(svc: Service, *, openapi_version: str = "3.0.2"):
         components=generate_service_components(svc),
         info=Info(
             title=svc.name,
-            summary="A ML Service created with BentoML",
             description=svc.doc,
             version=svc.tag.version if svc.tag and svc.tag.version else "None",
             contact=Contact(name="BentoML Team", email="contact@bentoml.ai"),
diff --git a/src/bentoml/_internal/service/openapi/specification.py b/src/bentoml/_internal/service/openapi/specification.py
index 46f74a5bcd..597629b3a1 100644
--- a/src/bentoml/_internal/service/openapi/specification.py
+++ b/src/bentoml/_internal/service/openapi/specification.py
@@ -201,7 +201,6 @@ class Info:
 
     title: str
     version: str
-    summary: t.Optional[str] = None
     description: t.Optional[str] = None
     contact: t.Optional[Contact] = None