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-rw-r--r--synapse/util/logcontext.py3
1 files changed, 0 insertions, 3 deletions
diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py
index 183d9cf62f..857afee7cb 100644
--- a/synapse/util/logcontext.py
+++ b/synapse/util/logcontext.py
@@ -315,9 +315,6 @@ def preserve_context_over_deferred(deferred, context=None):
     the deferred follow the synapse logcontext rules: try
     ``make_deferred_yieldable`` instead.
     """
-    if not isinstance(deferred, defer.Deferred):
-        return deferred
-
     if context is None:
         context = LoggingContext.current_context()
     d = _PreservingContextDeferred(context)