diff --git a/api/.env.example b/api/.env.example
index 39eb7ad766..880453161e 100644
--- a/api/.env.example
+++ b/api/.env.example
@@ -427,7 +427,6 @@ PLUGIN_DAEMON_URL=http://127.0.0.1:5002
 PLUGIN_REMOTE_INSTALL_PORT=5003
 PLUGIN_REMOTE_INSTALL_HOST=localhost
 PLUGIN_MAX_PACKAGE_SIZE=15728640
-INNER_API_KEY=QaHbTe77CtuXmsfyhR7+vRjI/+XbV1AaFy691iy+kGDv2Jvy0/eAh8Y1
 INNER_API_KEY_FOR_PLUGIN=QaHbTe77CtuXmsfyhR7+vRjI/+XbV1AaFy691iy+kGDv2Jvy0/eAh8Y1
 
 # Marketplace configuration
diff --git a/api/configs/feature/__init__.py b/api/configs/feature/__init__.py
index 2af9729073..c06269c199 100644
--- a/api/configs/feature/__init__.py
+++ b/api/configs/feature/__init__.py
@@ -389,11 +389,6 @@ class InnerAPIConfig(BaseSettings):
         default=False,
     )
 
-    INNER_API_KEY: Optional[str] = Field(
-        description="API key for accessing the internal API",
-        default=None,
-    )
-
 
 class LoggingConfig(BaseSettings):
     """
diff --git a/api/migrations/README b/api/migrations/README
index 0e04844159..220678df7a 100644
--- a/api/migrations/README
+++ b/api/migrations/README
@@ -1 +1,2 @@
 Single-database configuration for Flask.
+
diff --git a/api/tests/integration_tests/.env.example b/api/tests/integration_tests/.env.example
index 3c2ccb9dad..9e40a8494d 100644
--- a/api/tests/integration_tests/.env.example
+++ b/api/tests/integration_tests/.env.example
@@ -87,7 +87,6 @@ ZHINAO_API_KEY=
 # Plugin configuration
 PLUGIN_DAEMON_KEY=
 PLUGIN_DAEMON_URL=
-INNER_API_KEY=
 
 # Marketplace configuration
 MARKETPLACE_API_URL=