diff --git a/chain/src/block.rs b/chain/src/block.rs
index 67e24379..38169bd3 100644
--- a/chain/src/block.rs
+++ b/chain/src/block.rs
@@ -41,9 +41,7 @@ impl From<&'static str> for Block {
 }
 
 impl RepresentH256 for Block {
-	fn hash(&self) -> H256 {
-		self.block_header.hash()
-	}
+	fn h256(&self) -> H256 { self.hash() }
 }
 
 impl Block {
@@ -68,13 +66,16 @@ impl Block {
 	pub fn drain(self) -> (BlockHeader, Vec<Transaction>) {
 		(self.block_header, self.transactions)
 	}
+
+	pub fn hash(&self) -> H256 {
+		self.block_header.hash()
+	}
 }
 
 #[cfg(test)]
 mod tests {
 	use hash::H256;
 	use super::Block;
-	use super::super::RepresentH256;
 
 	// Block 80000
 	// https://blockchain.info/rawblock/000000000043a8c0fd1d6f726790caa2a406010d19efd2780db27bdbbd93baf6
diff --git a/chain/src/lib.rs b/chain/src/lib.rs
index 43b31b33..d0bd9799 100644
--- a/chain/src/lib.rs
+++ b/chain/src/lib.rs
@@ -10,7 +10,7 @@ mod merkle_root;
 mod transaction;
 
 pub trait RepresentH256 {
-	fn hash(&self) -> primitives::hash::H256;
+	fn h256(&self) -> primitives::hash::H256;
 }
 
 pub use rustc_serialize::hex;
diff --git a/db/src/storage.rs b/db/src/storage.rs
index e9ce0be1..bf749d8f 100644
--- a/db/src/storage.rs
+++ b/db/src/storage.rs
@@ -8,7 +8,7 @@ use primitives::hash::H256;
 use primitives::bytes::Bytes;
 use super::{BlockRef, BestBlock, BlockLocation};
 use serialization::{serialize, deserialize};
-use chain::{self, RepresentH256};
+use chain;
 use parking_lot::RwLock;
 use transaction_meta::TransactionMeta;
 
@@ -610,7 +610,7 @@ mod tests {
 
 	use super::{Storage, Store};
 	use devtools::RandomTempPath;
-	use chain::{Block, RepresentH256};
+	use chain::Block;
 	use super::super::{BlockRef, BlockLocation};
 	use test_data;
 
diff --git a/db/src/test_storage.rs b/db/src/test_storage.rs
index 4974a761..2c2bd514 100644
--- a/db/src/test_storage.rs
+++ b/db/src/test_storage.rs
@@ -4,7 +4,7 @@ use super::{
 	BlockRef, Store, Error, BestBlock, BlockLocation, BlockInsertedChain, BlockProvider,
 	BlockStapler, TransactionMetaProvider, TransactionProvider,
 };
-use chain::{self, Block, RepresentH256};
+use chain::{self, Block};
 use primitives::hash::H256;
 use serialization;
 use chain::bytes::Bytes;
diff --git a/sync/src/orphan_blocks_pool.rs b/sync/src/orphan_blocks_pool.rs
index ce8b3f7e..ef82f2d2 100644
--- a/sync/src/orphan_blocks_pool.rs
+++ b/sync/src/orphan_blocks_pool.rs
@@ -103,7 +103,7 @@ impl OrphanBlocksPool {
 					}
 					orphans.is_empty()
 				};
-				
+
 				if remove_entry {
 					orphan_entry.remove_entry();
 				}
@@ -124,7 +124,6 @@ mod tests {
 	use std::collections::HashSet;
 	use test_data;
 	use primitives::hash::H256;
-	use chain::RepresentH256;
 	use super::OrphanBlocksPool;
 
 	#[test]
diff --git a/test-data/src/block.rs b/test-data/src/block.rs
index e7fa5d64..235e2abd 100644
--- a/test-data/src/block.rs
+++ b/test-data/src/block.rs
@@ -1,7 +1,7 @@
 //! Block builder
 
 use super::genesis;
-use chain::{self, RepresentH256};
+use chain;
 use primitives::hash::H256;
 use primitives::bytes::Bytes;
 use invoke::{Invoke, Identity};
diff --git a/verification/src/chain_verifier.rs b/verification/src/chain_verifier.rs
index 32e891d7..280ff795 100644
--- a/verification/src/chain_verifier.rs
+++ b/verification/src/chain_verifier.rs
@@ -1,7 +1,7 @@
 //! Bitcoin chain verifier
 
 use db::{self, BlockRef, BlockLocation};
-use chain::{self, RepresentH256};
+use chain;
 use super::{Verify, VerificationResult, Chain, Error, TransactionError, ContinueVerify};
 use utils;
 
@@ -277,7 +277,6 @@ mod tests {
 	use test_data;
 	use std::sync::Arc;
 	use devtools::RandomTempPath;
-	use chain::RepresentH256;
 	use script;
 
 	#[test]
diff --git a/verification/src/queue.rs b/verification/src/queue.rs
index 00af11cd..84abfd02 100644
--- a/verification/src/queue.rs
+++ b/verification/src/queue.rs
@@ -1,6 +1,6 @@
 //! Blocks verification queue
 
-use chain::{Block, RepresentH256};
+use chain::Block;
 use primitives::hash::H256;
 use super::{Chain, ContinueVerify, BlockStatus, Error as VerificationError, TransactionError};
 use linked_hash_map::LinkedHashMap;
@@ -204,7 +204,7 @@ impl Queue {
 mod tests {
 	use super::Queue;
 	use super::super::{BlockStatus, VerificationResult, Verify, ContinueVerify, Chain, Error as VerificationError, TransactionError};
-	use chain::{Block, RepresentH256};
+	use chain::Block;
 	use primitives::hash::H256;
 	use test_data;
 	use std::collections::HashMap;