diff --git a/changelog.d/3561.bugfix b/changelog.d/3561.bugfix
new file mode 100644
index 0000000000000000000000000000000000000000..9a197cd67f509ce09ca4e148b52fd6d38c2bc096
--- /dev/null
+++ b/changelog.d/3561.bugfix
@@ -0,0 +1 @@
+Disable a noisy warning about logcontexts
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 98dde774310769f3ff08ecb5e5d15d94c217e559..a6a0e6ec9fb1a6cfec7aa43cd02835f7fd3a6650 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -343,9 +343,10 @@ class SQLBaseStore(object):
         """
         parent_context = LoggingContext.current_context()
         if parent_context == LoggingContext.sentinel:
-            logger.warn(
-                "Running db txn from sentinel context: metrics will be lost",
-            )
+            # warning disabled for 0.33.0 release; proper fixes will land imminently.
+            # logger.warn(
+            #    "Running db txn from sentinel context: metrics will be lost",
+            # )
             parent_context = None
 
         start_time = time.time()