diff --git a/handler/agora.py b/handler/agora.py
index 592f44a..46b21de 100644
--- a/handler/agora.py
+++ b/handler/agora.py
@@ -99,6 +99,7 @@ class Agora(object):
         for ref in list(self.last_dash):  # We're removing from the list on the fly
             if ref not in current_trades:
                 self.last_dash.remove(ref)
+        self.tx.cleanup(current_trades)
         return dash_tmp
 
     def dashboard_release_urls(self):
diff --git a/handler/transactions.py b/handler/transactions.py
index bddca55..5cbcf0d 100644
--- a/handler/transactions.py
+++ b/handler/transactions.py
@@ -163,6 +163,19 @@ class Transactions(object):
             references.append(r.get(key))
         return convert(references)
 
+    def get_ref_map(self):
+        """
+        Get all reference IDs for trades.
+        :return: dict of references keyed by TXID
+        :rtype: dict
+        """
+        references = {}
+        ref_keys = r.keys("trade.*.reference")
+        for key in ref_keys:
+            tx = convert(key).split(".")[1]
+            references[tx] = r.get(key)
+        return convert(references)
+
     def get_ref(self, reference):
         """
         Get a reference ID for a single trade.
@@ -178,8 +191,16 @@ class Transactions(object):
         """
         Delete a given reference from the Redis database.
         """
+        tx = self.ref_to_tx(reference)
         r.delete(f"trade.{reference}")
-        r.delete(f"trade.{reference}.reference")
+        r.delete(f"trade.{tx}.reference")
+
+    def cleanup(self, references):
+        for tx, reference in self.get_ref_map().items():
+            if reference not in references:
+                self.log.info("Archiving trade reference: {reference} / TX: {tx}", reference=reference, tx=tx)
+                r.rename(f"trade.{tx}.reference", f"archive.trade.{tx}.reference")
+                r.rename(f"trade.{reference}", f"archive.trade.{reference}")
 
     def del_tx(self, txid):
         pass