diff --git a/UPDATING.md b/UPDATING.md
index b035b963f2d65..b3bb91c7ae779 100644
--- a/UPDATING.md
+++ b/UPDATING.md
@@ -35,6 +35,9 @@ assists people when migrating to a new version.
   files for production use cases! While we never really supported
   or should have tried to support docker-compose for production use cases, we now actively
   have taken a stance against supporting it. See the PR for details.
+- [27697](https://github.com/apache/superset/pull/27697) [minor] flask-session bump leads to them
+  deprecating `SESSION_USE_SIGNER`, check your configs as this flag won't do anything moving
+  forward.
 
 ### Breaking Changes
 
diff --git a/superset/config.py b/superset/config.py
index 2f6ce136946d1..51b28c7a6e5c8 100644
--- a/superset/config.py
+++ b/superset/config.py
@@ -1474,7 +1474,6 @@ def EMAIL_HEADER_MUTATOR(  # pylint: disable=invalid-name,unused-argument
 # from flask_session import RedisSessionInterface
 #
 # SESSION_SERVER_SIDE = True
-# SESSION_USE_SIGNER = True
 # SESSION_TYPE = "redis"
 # SESSION_REDIS = Redis(host="localhost", port=6379, db=0)
 #
@@ -1704,7 +1703,7 @@ class ExtraDynamicQueryFilters(TypedDict, total=False):
     try:
         # pylint: disable=import-error,wildcard-import,unused-wildcard-import
         import superset_config
-        from superset_config import *  # type: ignore
+        from superset_config import *
 
         print(f"Loaded your LOCAL configuration at [{superset_config.__file__}]")
     except Exception: