diff --git a/rpc/src/v1/tests/helpers/miner_service.rs b/rpc/src/v1/tests/helpers/miner_service.rs
new file mode 100644
index 000000000..0cddf2a1e
--- /dev/null
+++ b/rpc/src/v1/tests/helpers/miner_service.rs
@@ -0,0 +1,53 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+use util::{Address, H256, U256, Bytes};
+use util::standard::*;
+use ethcore::error::Error;
+use ethcore::client::BlockChainClient;
+use ethcore::block::ClosedBlock;
+use ethcore::transaction::SignedTransaction;
+use ethminer::{MinerService, MinerStatus};
+
+pub struct TestMinerService;
+
+impl MinerService for TestMinerService {
+
+	/// Returns miner's status.
+	fn status(&self) -> MinerStatus { unimplemented!(); }
+
+	/// Imports transactions to transaction queue.
+	fn import_transactions<T>(&self, _transactions: Vec<SignedTransaction>, _fetch_nonce: T) -> Result<(), Error> where T: Fn(&Address) -> U256 { unimplemented!(); }
+
+	/// Returns hashes of transactions currently in pending
+	fn pending_transactions_hashes(&self) -> Vec<H256> { unimplemented!(); }
+
+	/// Removes all transactions from the queue and restart mining operation.
+	fn clear_and_reset(&self, _chain: &BlockChainClient) { unimplemented!(); }
+
+	/// Called when blocks are imported to chain, updates transactions queue.
+	fn chain_new_blocks(&self, _chain: &BlockChainClient, _imported: &[H256], _invalid: &[H256], _enacted: &[H256], _retracted: &[H256]) { unimplemented!(); }
+
+	/// New chain head event. Restart mining operation.
+	fn prepare_sealing(&self, _chain: &BlockChainClient) { unimplemented!(); }
+
+	/// Grab the `ClosedBlock` that we want to be sealed. Comes as a mutex that you have to lock.
+	fn sealing_block(&self, _chain: &BlockChainClient) -> &Mutex<Option<ClosedBlock>> { unimplemented!(); }
+
+	/// Submit `seal` as a valid solution for the header of `pow_hash`.
+	/// Will check the seal, but not actually insert the block into the chain.
+	fn submit_seal(&self, _chain: &BlockChainClient, _pow_hash: H256, _seal: Vec<Bytes>) -> Result<(), Error> { unimplemented!(); }
+}
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