diff --git a/src/txmempool.h b/src/txmempool.h
index 4568eb928d9..fd762565e80 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -714,7 +714,7 @@ public:
     void RemoveUnbroadcastTx(const uint256& txid, const bool unchecked = false);
 
     /** Returns transactions in unbroadcast set */
-    const std::set<uint256> GetUnbroadcastTxs() const {
+    std::set<uint256> GetUnbroadcastTxs() const {
         LOCK(cs);
         return m_unbroadcast_txids;
     }