1 files changed, 0 insertions, 1 deletions

diff --git a/synapse/handlers/cas.py b/synapse/handlers/cas.py

index 0325f86e20..47ddabbe46 100644
--- a/synapse/handlers/cas.py
+++ b/synapse/handlers/cas.py
@@ -82,7 +82,6 @@ class CasHandler:
         # the SsoIdentityProvider protocol type.
         self.idp_icon = None
         self.idp_brand = None
-        self.unstable_idp_brand = None
 
         self._sso_handler = hs.get_sso_handler()