diff --git a/rpc/src/v1/helpers/dispatch.rs b/rpc/src/v1/helpers/dispatch.rs
index 3994efde1..cf7a73f03 100644
--- a/rpc/src/v1/helpers/dispatch.rs
+++ b/rpc/src/v1/helpers/dispatch.rs
@@ -19,9 +19,7 @@ use std::ops::Deref;
 use std::sync::Weak;
 
 use futures::{future, Future, BoxFuture};
-use rlp;
 use util::{Address, H520, H256, U256, Uint, Bytes};
-use util::bytes::ToPretty;
 use util::sha3::Hashable;
 
 use ethkey::Signature;
diff --git a/rpc/src/v1/helpers/errors.rs b/rpc/src/v1/helpers/errors.rs
index 3ae245083..e1074c598 100644
--- a/rpc/src/v1/helpers/errors.rs
+++ b/rpc/src/v1/helpers/errors.rs
@@ -49,7 +49,6 @@ mod codes {
 	pub const COMPILATION_ERROR: i64 = -32050;
 	pub const ENCRYPTION_ERROR: i64 = -32055;
 	pub const FETCH_ERROR: i64 = -32060;
-	pub const ON_DEMAND_ERROR: i64 = -32065;
 }
 
 pub fn unimplemented(details: Option<String>) -> Error {
diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index 53555e475..3747c6192 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -38,7 +38,7 @@ use ethcore::filter::Filter as EthcoreFilter;
 use ethcore::header::{Header as BlockHeader, BlockNumber as EthBlockNumber};
 use ethcore::log_entry::LogEntry;
 use ethcore::miner::{MinerService, ExternalMinerService};
-use ethcore::transaction::{Transaction as EthTransaction, SignedTransaction, PendingTransaction, Action};
+use ethcore::transaction::{Transaction as EthTransaction, SignedTransaction, Action};
 use ethcore::snapshot::SnapshotService;
 use ethsync::{SyncProvider};
 
diff --git a/rpc/src/v1/impls/personal.rs b/rpc/src/v1/impls/personal.rs
index 15d876910..774e63d13 100644
--- a/rpc/src/v1/impls/personal.rs
+++ b/rpc/src/v1/impls/personal.rs
@@ -18,13 +18,11 @@
 use std::sync::{Arc, Weak};
 
 use ethcore::account_provider::AccountProvider;
-use ethcore::client::MiningBlockChainClient;
-use ethcore::miner::MinerService;
 use ethcore::transaction::PendingTransaction;
 
 use util::{Address, U128, Uint, ToPretty};
 
-use futures::{self, future, Future, BoxFuture};
+use futures::{future, Future, BoxFuture};
 use jsonrpc_core::Error;
 use v1::helpers::errors;
 use v1::helpers::dispatch::{Dispatcher, SignWith};
diff --git a/rpc/src/v1/impls/signer.rs b/rpc/src/v1/impls/signer.rs
index 5e6a1f09b..a94db94a0 100644
--- a/rpc/src/v1/impls/signer.rs
+++ b/rpc/src/v1/impls/signer.rs
@@ -20,10 +20,8 @@ use std::sync::{Arc, Weak};
 
 use rlp::{UntrustedRlp, View};
 use ethcore::account_provider::AccountProvider;
-use ethcore::client::MiningBlockChainClient;
 use ethcore::transaction::{SignedTransaction, PendingTransaction};
-use ethcore::miner::MinerService;
-use futures::{self, future, BoxFuture, Future, IntoFuture};
+use futures::{future, BoxFuture, Future, IntoFuture};
 
 use jsonrpc_core::Error;
 use v1::helpers::{errors, SignerService, SigningQueue, ConfirmationPayload};
diff --git a/rpc/src/v1/impls/signing.rs b/rpc/src/v1/impls/signing.rs
index 86220d65c..50641dfe7 100644
--- a/rpc/src/v1/impls/signing.rs
+++ b/rpc/src/v1/impls/signing.rs
@@ -21,8 +21,6 @@ use transient_hashmap::TransientHashMap;
 use util::{U256, Mutex};
 
 use ethcore::account_provider::AccountProvider;
-use ethcore::miner::MinerService;
-use ethcore::client::MiningBlockChainClient;
 
 use futures::{self, future, BoxFuture, Future};
 use jsonrpc_core::Error;
diff --git a/rpc/src/v1/impls/signing_unsafe.rs b/rpc/src/v1/impls/signing_unsafe.rs
index c4e6edd66..6ae1cce30 100644
--- a/rpc/src/v1/impls/signing_unsafe.rs
+++ b/rpc/src/v1/impls/signing_unsafe.rs
@@ -19,10 +19,8 @@
 use std::sync::{Arc, Weak};
 
 use ethcore::account_provider::AccountProvider;
-use ethcore::miner::MinerService;
-use ethcore::client::MiningBlockChainClient;
 
-use futures::{self, future, BoxFuture, Future};
+use futures::{future, BoxFuture, Future};
 use jsonrpc_core::Error;
 use v1::helpers::{errors, DefaultAccount};
 use v1::helpers::dispatch::{self, Dispatcher};