diff --git a/Cargo.lock b/Cargo.lock
index beadfb1f2..37fc15d7e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -36,7 +36,6 @@ dependencies = [
  "rlp 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp_compress 0.1.0",
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "trace 0.1.0",
  "trie-db 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "trie-vm-factories 0.1.0",
 ]
diff --git a/ethcore/account-state/Cargo.toml b/ethcore/account-state/Cargo.toml
index 4aa43f604..264864e29 100644
--- a/ethcore/account-state/Cargo.toml
+++ b/ethcore/account-state/Cargo.toml
@@ -26,7 +26,6 @@ parking_lot = "0.9"
 pod = { path = "../pod" }
 rlp = "0.4.0"
 serde = { version = "1.0", features = ["derive"] }
-trace = { path = "../trace" }
 trie-db = "0.18.0"
 
 [dev-dependencies]
diff --git a/ethcore/builtin/Cargo.toml b/ethcore/builtin/Cargo.toml
index d36a3e762..0ce7f315e 100644
--- a/ethcore/builtin/Cargo.toml
+++ b/ethcore/builtin/Cargo.toml
@@ -14,10 +14,10 @@ ethereum-types = "0.8.0"
 ethjson = { path = "../../json" }
 keccak-hash = "0.4.0"
 log = "0.4"
-macros = { path = "../../util/macros" }
 num = { version = "0.1", default-features = false, features = ["bigint"] }
 parity-bytes = "0.1"
 parity-crypto = { version = "0.4.2", features = ["publickey"] }
 
 [dev-dependencies]
 hex-literal = "0.2.1"
+macros = { path = "../../util/macros" }
diff --git a/ethcore/engines/validator-set/src/contract.rs b/ethcore/engines/validator-set/src/contract.rs
index 6821889f6..bcc2fd176 100644
--- a/ethcore/engines/validator-set/src/contract.rs
+++ b/ethcore/engines/validator-set/src/contract.rs
@@ -22,7 +22,7 @@ use std::sync::Weak;
 use parity_bytes::Bytes;
 use ethabi_contract::use_contract;
 use ethereum_types::{H256, U256, Address};
-use log::{info, warn, trace};
+use log::{warn, trace};
 use machine::Machine;
 use parking_lot::RwLock;
 use common_types::{
diff --git a/ethcore/sync/src/light_sync/sync_round.rs b/ethcore/sync/src/light_sync/sync_round.rs
index d6bcea214..2ec297333 100644
--- a/ethcore/sync/src/light_sync/sync_round.rs
+++ b/ethcore/sync/src/light_sync/sync_round.rs
@@ -234,7 +234,7 @@ impl Fetcher {
 				}
 
 				// state transition not triggered until drain is finished.
-				(SyncRound::Fetch(self))
+				SyncRound::Fetch(self)
 			}
 		}
 	}
diff --git a/ipfs/Cargo.toml b/ipfs/Cargo.toml
index adb42f9e5..4d35547aa 100644
--- a/ipfs/Cargo.toml
+++ b/ipfs/Cargo.toml
@@ -9,7 +9,6 @@ edition = "2018"
 [dependencies]
 client-traits = { path = "../ethcore/client-traits" }
 common-types = { path = "../ethcore/types" }
-ethcore = { path = "../ethcore" }
 bytes = { package = "parity-bytes", version = "0.1"}
 ethereum-types = "0.8.0"
 jsonrpc-core = "14.0.3"
diff --git a/util/EIP-152/Cargo.toml b/util/EIP-152/Cargo.toml
index fb474919f..1f7131fe4 100644
--- a/util/EIP-152/Cargo.toml
+++ b/util/EIP-152/Cargo.toml
@@ -11,11 +11,11 @@ license = "GPL-3.0"
 edition = "2018"
 
 [dependencies]
-rustc-hex = "2.0.1"
 arrayref = "0.3.5"
 
 [dev-dependencies]
 criterion = "0.3"
+rustc-hex = "2.0.1"
 
 [[bench]]
 name = "bench"