diff --git a/piker/brokers/deribit/api.py b/piker/brokers/deribit/api.py
index bf640c9e..0deceb20 100644
--- a/piker/brokers/deribit/api.py
+++ b/piker/brokers/deribit/api.py
@@ -328,7 +328,6 @@ class Client:
         '''
         Return the set of currencies for deribit.
         '''
-        assets = {}
         resp = await self._json_rpc_auth_wrapper(
             'public/get_currencies',
             params={}