diff --git a/ethcore/src/client/chain_notify.rs b/ethcore/src/client/chain_notify.rs
index 966388f9a..f23f3885b 100644
--- a/ethcore/src/client/chain_notify.rs
+++ b/ethcore/src/client/chain_notify.rs
@@ -16,7 +16,6 @@
 
 use util::numbers::*;
 use ipc::{IpcConfig, BinaryConvertError};
-use std::sync::Arc;
 use std::collections::VecDeque;
 use std::mem;
 
@@ -44,4 +43,4 @@ pub trait ChainNotify : Send + Sync {
 	}
 }
 
-impl IpcConfig<ChainNotify> for Arc<ChainNotify> { }
+impl IpcConfig<ChainNotify> for ChainNotify { }
diff --git a/ethcore/src/client/client.rs b/ethcore/src/client/client.rs
index d35a01be7..3183b0387 100644
--- a/ethcore/src/client/client.rs
+++ b/ethcore/src/client/client.rs
@@ -1015,4 +1015,4 @@ impl MayPanic for Client {
 	}
 }
 
-impl IpcConfig<BlockChainClient> for Arc<BlockChainClient> { }
+impl IpcConfig<BlockChainClient> for BlockChainClient { }
diff --git a/ipc/codegen/src/codegen.rs b/ipc/codegen/src/codegen.rs
index dcc3082d0..e6744ebb3 100644
--- a/ipc/codegen/src/codegen.rs
+++ b/ipc/codegen/src/codegen.rs
@@ -591,8 +591,8 @@ fn push_client_implementation(
 	let handshake_item = quote_impl_item!(cx,
 		pub fn handshake(&self) -> Result<(), ::ipc::Error> {
 			let payload = ::ipc::Handshake {
-				protocol_version: ::std::sync::Arc::<$endpoint>::protocol_version(),
-				api_version: ::std::sync::Arc::<$endpoint>::api_version(),
+				protocol_version: $endpoint::protocol_version(),
+				api_version: $endpoint::api_version(),
 			};
 
 			::ipc::invoke(
@@ -834,7 +834,7 @@ fn implement_interface(
 	};
 
 	let ipc_item = quote_item!(cx,
-		impl $host_generics ::ipc::IpcInterface<$interface_endpoint> for ::std::sync::Arc<$interface_endpoint> $where_clause {
+		impl $host_generics ::ipc::IpcInterface<$interface_endpoint> for $interface_endpoint $where_clause {
 			fn dispatch<R>(&self, r: &mut R) -> Vec<u8>
 				where R: ::std::io::Read
 			{
diff --git a/ipc/hypervisor/src/service.rs.in b/ipc/hypervisor/src/service.rs.in
index f1949d4ca..f11950bdb 100644
--- a/ipc/hypervisor/src/service.rs.in
+++ b/ipc/hypervisor/src/service.rs.in
@@ -75,4 +75,4 @@ impl HypervisorService {
 	}
 }
 
-impl ::ipc::IpcConfig<HypervisorService> for Arc<HypervisorService> {}
+impl ::ipc::IpcConfig<HypervisorService> for HypervisorService {}
diff --git a/ipc/nano/src/lib.rs b/ipc/nano/src/lib.rs
index f835566ed..aaa05555d 100644
--- a/ipc/nano/src/lib.rs
+++ b/ipc/nano/src/lib.rs
@@ -33,7 +33,7 @@ const POLL_TIMEOUT: isize = 100;
 const CLIENT_CONNECTION_TIMEOUT: isize = 2500;
 
 /// Generic worker to handle service (binded) sockets
-pub struct Worker<S: ?Sized> where Arc<S>: IpcInterface<S> {
+pub struct Worker<S: ?Sized> where S: IpcInterface<S> {
 	service: Arc<S>,
 	sockets: Vec<(Socket, Endpoint)>,
 	polls: Vec<PollFd>,
@@ -116,7 +116,7 @@ pub enum SocketError {
 	RequestLink,
 }
 
-impl<S: ?Sized> Worker<S> where Arc<S>: IpcInterface<S> {
+impl<S: ?Sized> Worker<S> where S: IpcInterface<S> {
 	/// New worker over specified `service`
 	pub fn new(service: &Arc<S>) -> Worker<S> {
 		Worker::<S> {
diff --git a/parity/sync/main.rs b/parity/sync/main.rs
index 1e6af664b..e91a8e403 100644
--- a/parity/sync/main.rs
+++ b/parity/sync/main.rs
@@ -92,7 +92,7 @@ impl Args {
 	}
 }
 
-fn run_service<T: ?Sized + Send + Sync + 'static>(addr: &str, stop_guard: Arc<AtomicBool>, service: Arc<T>) where Arc<T>: IpcInterface<T> {
+fn run_service<T: ?Sized + Send + Sync + 'static>(addr: &str, stop_guard: Arc<AtomicBool>, service: Arc<T>) where T: IpcInterface<T> {
 	let socket_url = addr.to_owned();
 	std::thread::spawn(move || {
 		let mut worker = nanoipc::Worker::<T>::new(&service);
diff --git a/sync/src/api.rs b/sync/src/api.rs
index 4c43d17fc..4400714a6 100644
--- a/sync/src/api.rs
+++ b/sync/src/api.rs
@@ -19,7 +19,7 @@ use std::sync::Arc;
 use util::network::{NetworkProtocolHandler, NetworkService, NetworkContext, PeerId,
 	NetworkConfiguration as BasicNetworkConfiguration, NonReservedPeerMode};
 use util::{TimerToken, U256, H256, UtilError, Secret, Populatable};
-use ethcore::client::{Client, BlockChainClient, ChainNotify};
+use ethcore::client::{BlockChainClient, ChainNotify};
 use io::NetSyncIo;
 use chain::{ChainSync, SyncStatus};
 use std::net::{SocketAddr, AddrParseError};
@@ -149,8 +149,8 @@ impl ChainNotify for EthSync {
 	}
 }
 
-impl IpcConfig<ManageNetwork> for Arc<ManageNetwork> { }
-impl IpcConfig<SyncProvider> for Arc<SyncProvider> { }
+impl IpcConfig<ManageNetwork> for ManageNetwork { }
+impl IpcConfig<SyncProvider> for SyncProvider { }
 
 /// Trait for managing network
 pub trait ManageNetwork : Send + Sync {