diff --git a/data/apps/cvtt_musvc_sim.cfg b/data/apps/cvtt_musvc_sim.cfg
index 973ef50..cf10f76 100644
--- a/data/apps/cvtt_musvc_sim.cfg
+++ b/data/apps/cvtt_musvc_sim.cfg
@@ -119,7 +119,10 @@
             }
             , "trades_recording": { # unconditional trades recording for 1min aggregates
                 "flush_interval_sec": 5.0
-                "instruments": [
+                , "prune": {
+                    "max_days": 14
+                }
+                , "instruments": [
                     {
                         "exch_acct": "COINBASE_AT"
                         , "instrument_id": "PAIR-ADA-USD"
@@ -186,9 +189,6 @@
                     }
                 ]
             }
-            , "prune": {
-                ""
-            }
         }
     }
     , "order_entry_gateway": {