1 files changed, 6 insertions, 0 deletions
diff --git a/synapse/config/workers.py b/synapse/config/workers.py
index 88b3168cbc..c4e2273a95 100644
--- a/synapse/config/workers.py
+++ b/synapse/config/workers.py
@@ -162,7 +162,13 @@ class WorkerConfig(Config):
         self.worker_name = config.get("worker_name", self.worker_app)
         self.instance_name = self.worker_name or "master"
 
+        # FIXME: Remove this check after a suitable amount of time.
         self.worker_main_http_uri = config.get("worker_main_http_uri", None)
+        if self.worker_main_http_uri is not None:
+            logger.warning(
+                "The config option worker_main_http_uri is unused since Synapse 1.72. "
+                "It can be safely removed from your configuration."
+            )
 
         # This option is really only here to support `--manhole` command line
         # argument.