1 files changed, 0 insertions, 3 deletions
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 5d99c201a7..99185db93d 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -447,6 +447,3 @@ class ExperimentalConfig(Config):
 
         # MSC4151: Report room API (Client-Server API)
         self.msc4151_enabled: bool = experimental.get("msc4151_enabled", False)
-
-        # MSC4156: Migrate server_name to via
-        self.msc4156_enabled: bool = experimental.get("msc4156_enabled", False)