1 files changed, 0 insertions, 3 deletions
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 4009add01d..c41f9efb18 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -95,9 +95,6 @@ class ExperimentalConfig(Config):
         # MSC2815 (allow room moderators to view redacted event content)
         self.msc2815_enabled: bool = experimental.get("msc2815_enabled", False)
 
-        # MSC3773: Thread notifications
-        self.msc3773_enabled: bool = experimental.get("msc3773_enabled", False)
-
         # MSC3848: Introduce errcodes for specific event sending failures
         self.msc3848_enabled: bool = experimental.get("msc3848_enabled", False)