diff --git a/Cargo.lock b/Cargo.lock
index 7a77276ce5e..6b583067adc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1040,7 +1040,7 @@ dependencies = [
  "rlp 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlp_compress 0.1.0",
  "rlp_derive 0.1.0",
- "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ethcore/Cargo.toml b/ethcore/Cargo.toml
index 762851f9ab8..e47931a14a3 100644
--- a/ethcore/Cargo.toml
+++ b/ethcore/Cargo.toml
@@ -54,7 +54,7 @@ rand_xorshift = "0.1.1"
 rayon = "1.1"
 rlp = "0.4.0"
 rlp_derive = { path = "../util/rlp-derive" }
-rustc-hex = "1"
+rustc-hex = "2"
 serde = "1.0"
 serde_derive = "1.0"
 snapshot = { path = "snapshot" }
@@ -90,7 +90,6 @@ macros = { path = "../util/macros" }
 null-engine = { path = "./engines/null-engine" }
 parity-runtime = { path = "../util/runtime" }
 rlp_compress = { path = "../util/rlp-compress" }
-rustc-hex = "1"
 serde_json = "1.0"
 stats = { path = "../util/stats" }
 pod = { path = "pod" }
diff --git a/ethcore/src/tests/client.rs b/ethcore/src/tests/client.rs
index 1e0221548f7..d1abd7e3724 100644
--- a/ethcore/src/tests/client.rs
+++ b/ethcore/src/tests/client.rs
@@ -393,12 +393,12 @@ fn reset_blockchain() {
 #[test]
 fn import_export_hex() {
 	let client = get_test_client_with_blocks(get_good_dummy_block_seq(19));
-	let block_rlps = (15..20)
+	let block_rlps: Vec<String> = (15..20)
 		.filter_map(|num| client.block(BlockId::Number(num)))
 		.map(|header| {
 			header.raw().to_hex()
 		})
-		.collect::<Vec<_>>();
+		.collect();
 
 	let mut out = Vec::new();
 
diff --git a/ethcore/src/tests/evm.rs b/ethcore/src/tests/evm.rs
index 184fa5801e9..0f2f7332e9c 100644
--- a/ethcore/src/tests/evm.rs
+++ b/ethcore/src/tests/evm.rs
@@ -35,11 +35,11 @@ use ethereum_types::{H256, Address};
 
 evm_test!{test_blockhash_eip210: test_blockhash_eip210_int}
 fn test_blockhash_eip210(factory: Factory) {
-	let get_prev_hash_code = Arc::new("600143034060205260206020f3".from_hex().unwrap()); // this returns previous block hash
+	let get_prev_hash_code = Arc::new("600143034060205260206020f3".from_hex::<Vec<_>>().unwrap()); // this returns previous block hash
 	let get_prev_hash_code_hash = keccak(get_prev_hash_code.as_ref());
 	// This is same as DEFAULT_BLOCKHASH_CONTRACT except for metropolis transition block check removed.
 	let test_blockhash_contract = "73fffffffffffffffffffffffffffffffffffffffe33141561007a57600143036020526000356101006020510755600061010060205107141561005057600035610100610100602051050761010001555b6000620100006020510714156100755760003561010062010000602051050761020001555b61014a565b4360003512151561009057600060405260206040f35b610100600035430312156100b357610100600035075460605260206060f3610149565b62010000600035430312156100d157600061010060003507146100d4565b60005b156100f6576101006101006000350507610100015460805260206080f3610148565b630100000060003543031215610116576000620100006000350714610119565b60005b1561013c57610100620100006000350507610200015460a052602060a0f3610147565b600060c052602060c0f35b5b5b5b5b";
-	let blockhash_contract_code = Arc::new(test_blockhash_contract.from_hex().unwrap());
+	let blockhash_contract_code = Arc::new(test_blockhash_contract.from_hex::<Vec<_>>().unwrap());
 	let blockhash_contract_code_hash = keccak(blockhash_contract_code.as_ref());
 	let machine = new_eip210_test_machine();
 	let mut env_info = EnvInfo::default();