diff --git a/libethereum/Block.cpp b/libethereum/Block.cpp
index fd2a51527..1c8dc1b21 100644
--- a/libethereum/Block.cpp
+++ b/libethereum/Block.cpp
@@ -709,7 +709,7 @@ bool Block::sealBlock(bytesConstRef _header)
 	ret.appendRaw(m_currentTxs);
 	ret.appendRaw(m_currentUncles);
 	ret.swapOut(m_currentBytes);
-	m_currentBlock = Ethash::BlockHeader(_header, CheckNothing, h256(), HeaderData);
+	m_currentBlock = BlockInfo(_header, CheckNothing, h256(), HeaderData);
 	cnote << "Mined " << m_currentBlock.hash() << "(parent: " << m_currentBlock.parentHash() << ")";
 	// TODO: move into Sealer
 	StructuredLogger::minedNewBlock(
diff --git a/libethereum/Block.h b/libethereum/Block.h
index f030661f1..feadbba73 100644
--- a/libethereum/Block.h
+++ b/libethereum/Block.h
@@ -29,7 +29,6 @@
 #include <libdevcrypto/OverlayDB.h>
 #include <libethcore/Exceptions.h>
 #include <libethcore/BlockInfo.h>
-#include <libethcore/Ethash.h>
 #include <libethcore/Miner.h>
 #include <libevm/ExtVMFace.h>
 #include "Account.h"
@@ -253,7 +252,7 @@ public:
 	bytes const& blockData() const { return m_currentBytes; }
 
 	/// Get the header information on the present block.
-	Ethash::BlockHeader const& info() const { return m_currentBlock; }
+	BlockInfo const& info() const { return m_currentBlock; }
 
 
 private:
@@ -289,7 +288,7 @@ private:
 	State m_precommit;							///< State at the point immediately prior to rewards.
 
 	BlockInfo m_previousBlock;					///< The previous block's information.
-	Ethash::BlockHeader m_currentBlock;					///< The current block's information.
+	BlockInfo m_currentBlock;					///< The current block's information.
 	bytes m_currentBytes;						///< The current block.
 	bool m_committedToMine = false;				///< Have we committed to mine on the present m_currentBlock?
 
diff --git a/test/TestHelper.cpp b/test/TestHelper.cpp
index 15a5d5633..e7633c5e3 100644
--- a/test/TestHelper.cpp
+++ b/test/TestHelper.cpp
@@ -269,7 +269,7 @@ int ImportTest::compareStates(State const& _stateExpect, State const& _statePost
 
 	for (auto const& a: _stateExpect.addresses())
 	{
-		CHECK(_statePost.addressInUse(a.first), "Filling Test: " << a.first << " missing expected address!");
+		CHECK(_statePost.addressInUse(a.first), "Check State: " << a.first << " missing expected address!");
 		if (_statePost.addressInUse(a.first))
 		{
 			AccountMask addressOptions(true);
diff --git a/test/libethereum/blockchain.cpp b/test/libethereum/blockchain.cpp
index 633707560..5a4e65be5 100644
--- a/test/libethereum/blockchain.cpp
+++ b/test/libethereum/blockchain.cpp
@@ -73,7 +73,6 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 		BlockHeader biGenesisBlock = constructBlock(o["genesisBlockHeader"].get_obj(), h256{});
 
 		State trueState(OverlayDB(State::openDB(tdStateDB.path(), h256{}, WithExisting::Kill)), BaseState::Empty);
-		Block trueBlock; //lastBlock of trueBlockchain
 		ImportTest::importState(o["pre"].get_obj(), trueState);
 		o["pre"] = fillJsonWithState(trueState); //convert all fields to hex
 		trueState.commit();
@@ -218,7 +217,7 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 					txList.push_back(txi);
 				blObj["transactions"] = writeTransactionsToJson(txList);
 
-				BlockHeader current_BlockHeader = block.info();
+				BlockHeader current_BlockHeader(block.blockData());
 
 				RLPStream uncleStream;
 				uncleStream.appendList(vBiUncles.size());
@@ -263,7 +262,7 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 				blObj["rlp"] = toHex(blockRLP.out(), 2, HexPrefix::Add);
 
 				if (sha3(RLP(block.blockData())[0].data()) != sha3(RLP(blockRLP.out())[0].data()))
-				{
+				{				
 					cnote << "block header mismatch block.blockData() vs updated block.info()\n";
 					cnote << toHex(RLP(block.blockData())[0].data()) << "vs" << toHex(RLP(blockRLP.out())[0].data());
 				}
@@ -284,7 +283,9 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 					//attempt to import new block to the true blockchain
 					trueBc.sync(uncleBlockQueue, trueState.db(), 4);
 					trueBc.attemptImport(blockRLP.out(), trueState.db());
-					trueState = block.state();
+
+					if (block.blockData() == trueBc.block())
+						trueState = block.state();
 
 					blockSet newBlock;
 					newBlock.first = blockRLP.out();
@@ -316,7 +317,8 @@ void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
 				AccountMaskMap expectStateMap;
 				State stateExpect(OverlayDB(), BaseState::Empty);
 				ImportTest::importState(o["expect"].get_obj(), stateExpect, expectStateMap);
-				ImportTest::compareStates(stateExpect, trueBlock.state(), expectStateMap, Options::get().checkState ? WhenError::Throw : WhenError::DontThrow);
+				if (ImportTest::compareStates(stateExpect, trueState, expectStateMap, Options::get().checkState ? WhenError::Throw : WhenError::DontThrow))
+					cerr << testname << endl;
 				o.erase(o.find("expect"));
 			}