1 files changed, 0 insertions, 2 deletions

diff --git a/synapse/storage/signatures.py b/synapse/storage/signatures.py

index 85eec7ffbe..82be946d3f 100644
--- a/synapse/storage/signatures.py
+++ b/synapse/storage/signatures.py
@@ -15,8 +15,6 @@
 
 from _base import SQLBaseStore
 
-from twisted.internet import defer
-
 
 class SignatureStore(SQLBaseStore):
     """Persistence for PDU signatures and hashes"""