diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index ff4f995a8c..ae0492f52f 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -1804,6 +1804,7 @@ dependencies = [
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "structopt 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-basic-authorship 0.1.0",
  "substrate-cli 0.3.0",
  "substrate-client 0.1.0",
  "substrate-consensus-aura 0.1.0",
@@ -3297,6 +3298,20 @@ dependencies = [
  "vergen 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "substrate-basic-authorship"
+version = "0.1.0"
+dependencies = [
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-codec 2.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sr-primitives 0.1.0",
+ "substrate-client 0.1.0",
+ "substrate-consensus-aura-primitives 0.1.0",
+ "substrate-consensus-common 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-transaction-pool 0.1.0",
+]
+
 [[package]]
 name = "substrate-cli"
 version = "0.3.0"
diff --git a/substrate/core/basic-authorship/Cargo.toml b/substrate/core/basic-authorship/Cargo.toml
new file mode 100644
index 0000000000..00c50781fd
--- /dev/null
+++ b/substrate/core/basic-authorship/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "substrate-basic-authorship"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+
+[dependencies]
+log = "0.4"
+parity-codec = "2.1"
+sr-primitives = { path = "../../core/sr-primitives" }
+substrate-client = { path = "../../core/client" }
+substrate-consensus-aura-primitives = { path = "../../core/consensus/aura/primitives" }
+substrate-consensus-common = { path = "../../core/consensus/common" }
+substrate-primitives = { path = "../../core/primitives" }
+substrate-transaction-pool = { path = "../../core/transaction-pool" }
diff --git a/substrate/core/service/src/consensus.rs b/substrate/core/basic-authorship/src/basic_authorship.rs
similarity index 100%
rename from substrate/core/service/src/consensus.rs
rename to substrate/core/basic-authorship/src/basic_authorship.rs
diff --git a/substrate/core/basic-authorship/src/lib.rs b/substrate/core/basic-authorship/src/lib.rs
new file mode 100644
index 0000000000..44caadea3c
--- /dev/null
+++ b/substrate/core/basic-authorship/src/lib.rs
@@ -0,0 +1,34 @@
+// Copyright 2017-2018 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate 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.
+
+// Substrate 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 Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Basic implementation of block-authoring logic.
+
+#![warn(unused_extern_crates)]
+
+extern crate substrate_consensus_aura_primitives as aura_primitives;
+extern crate substrate_primitives as primitives;
+extern crate sr_primitives as runtime_primitives;
+extern crate substrate_consensus_common as consensus_common;
+extern crate substrate_client as client;
+extern crate parity_codec as codec;
+extern crate substrate_transaction_pool as transaction_pool;
+
+#[macro_use]
+extern crate log;
+
+mod basic_authorship;
+
+pub use basic_authorship::ProposerFactory;
diff --git a/substrate/core/service/src/lib.rs b/substrate/core/service/src/lib.rs
index f316b49250..f782f917ed 100644
--- a/substrate/core/service/src/lib.rs
+++ b/substrate/core/service/src/lib.rs
@@ -58,7 +58,6 @@ mod error;
 mod chain_spec;
 pub mod config;
 pub mod chain_ops;
-pub mod consensus;
 
 use std::io;
 use std::net::SocketAddr;
@@ -82,7 +81,6 @@ pub use chain_spec::{ChainSpec, Properties};
 pub use transaction_pool::txpool::{self, Pool as TransactionPool, Options as TransactionPoolOptions, ChainApi, IntoPoolError};
 pub use client::ExecutionStrategy;
 
-pub use consensus::ProposerFactory;
 pub use components::{ServiceFactory, FullBackend, FullExecutor, LightBackend,
 	LightExecutor, Components, PoolApi, ComponentClient,
 	ComponentBlock, FullClient, LightClient, FullComponents, LightComponents,
diff --git a/substrate/node/cli/Cargo.toml b/substrate/node/cli/Cargo.toml
index 438d72173d..8a1888d936 100644
--- a/substrate/node/cli/Cargo.toml
+++ b/substrate/node/cli/Cargo.toml
@@ -19,6 +19,7 @@ substrate-primitives = { path = "../../core/primitives" }
 node-runtime = { path = "../runtime" }
 node-primitives = { path = "../primitives" }
 hex-literal = "0.1"
+substrate-basic-authorship = { path = "../../core/basic-authorship" }
 substrate-service = { path = "../../core/service" }
 substrate-transaction-pool = { path = "../../core/transaction-pool" }
 substrate-network = { path = "../../core/network" }
diff --git a/substrate/node/cli/src/service.rs b/substrate/node/cli/src/service.rs
index d173c7419e..89dbd02319 100644
--- a/substrate/node/cli/src/service.rs
+++ b/substrate/node/cli/src/service.rs
@@ -77,7 +77,7 @@ construct_service_factory! {
 
 				if let Some(ref key) = local_key {
 					info!("Using authority key {}", key.public());
-					let proposer = Arc::new(substrate_service::ProposerFactory {
+					let proposer = Arc::new(substrate_basic_authorship::ProposerFactory {
 						client: service.client(),
 						transaction_pool: service.transaction_pool(),
 					});