diff --git a/src/state.rs b/src/state.rs
index 71ae0ecda..7310f63a7 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -3,7 +3,7 @@ use engine::Engine;
 use executive::Executive;
 use pod_account::*;
 use pod_state::*;
-use state_diff::*;
+//use state_diff::*;	// TODO: uncomment once to_pod() works correctly.
 
 /// TODO [Gav Wood] Please document me
 pub type ApplyResult = Result<Receipt, Error>;
@@ -145,12 +145,12 @@ impl State {
 	/// Execute a given transaction.
 	/// This will change the state accordingly.
 	pub fn apply(&mut self, env_info: &EnvInfo, engine: &Engine, t: &Transaction) -> ApplyResult {
-
 //		let old = self.to_pod();
 
 		let e = try!(Executive::new(self, env_info, engine).transact(t));
 		//println!("Executed: {:?}", e);
 
+		// TODO uncomment once to_pod() works correctly.
 //		trace!("Applied transaction. Diff:\n{}\n", StateDiff::diff_pod(&old, &self.to_pod()));
 		self.commit();
 		let receipt = Receipt::new(self.root().clone(), e.cumulative_gas_used, e.logs);
diff --git a/src/tests/chain.rs b/src/tests/chain.rs
index aeb92d3fd..89199feed 100644
--- a/src/tests/chain.rs
+++ b/src/tests/chain.rs
@@ -47,7 +47,18 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
 	failed
 }
 
-// Fails. TODO: figure out why.
-//declare_test!{BlockchainTests_bcStateTest, "BlockchainTests/bcStateTest"}
-
+declare_test!{ignore => BlockchainTests_bcBlockGasLimitTest, "BlockchainTests/bcBlockGasLimitTest"}		// UNKNOWN
 declare_test!{BlockchainTests_bcForkBlockTest, "BlockchainTests/bcForkBlockTest"}
+declare_test!{ignore => BlockchainTests_bcForkStressTest, "BlockchainTests/bcForkStressTest"}			// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcForkUncle, "BlockchainTests/bcForkUncle"}						// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcGasPricerTest, "BlockchainTests/bcGasPricerTest"}				// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcInvalidHeaderTest, "BlockchainTests/bcInvalidHeaderTest"}		// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcInvalidRLPTest, "BlockchainTests/bcInvalidRLPTest"}			// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcMultiChainTest, "BlockchainTests/bcMultiChainTest"}			// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcRPC_API_Test, "BlockchainTests/bcRPC_API_Test"}				// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcStateTest, "BlockchainTests/bcStateTest"}						// FAILS (Suicides, GasUsed)
+declare_test!{ignore => BlockchainTests_bcTotalDifficultyTest, "BlockchainTests/bcTotalDifficultyTest"}	// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcUncleHeaderValiditiy, "BlockchainTests/bcUncleHeaderValiditiy"}// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcUncleTest, "BlockchainTests/bcUncleTest"}						// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcValidBlockTest, "BlockchainTests/bcValidBlockTest"}			// UNKNOWN
+declare_test!{ignore => BlockchainTests_bcWalletTest, "BlockchainTests/bcWalletTest"}					// UNKNOWN