diff --git a/core/src/miner/mod.rs b/core/src/miner/mod.rs
index d602bd110e..d63bfe78e4 100644
--- a/core/src/miner/mod.rs
+++ b/core/src/miner/mod.rs
@@ -93,7 +93,7 @@ pub trait MinerService: Send + Sync {
     ) -> Vec<Result<TransactionImportResult, Error>>;
 
     /// Imports own (node owner) transaction to mem pool.
-    fn import_own_transaction<C: MiningBlockChainClient + EngineInfo + TermInfo + TermInfo>(
+    fn import_own_transaction<C: MiningBlockChainClient + EngineInfo + TermInfo>(
         &self,
         chain: &C,
         tx: SignedTransaction,