diff --git a/ethereumj-core/src/main/java/org/ethereum/core/Block.java b/ethereumj-core/src/main/java/org/ethereum/core/Block.java
index e0e71b2d..ed09578d 100644
--- a/ethereumj-core/src/main/java/org/ethereum/core/Block.java
+++ b/ethereumj-core/src/main/java/org/ethereum/core/Block.java
@@ -36,7 +36,7 @@ public class Block {
 	
 	/* A scalar value equal to the mininum limit of gas expenditure per block */
 	private static long MIN_GAS_LIMIT = 125000L;
-    public  static BigInteger coinbaseReward = BigInteger.valueOf(1500000000000000000L);
+    public  static BigInteger BLOCK_REWARD = BigInteger.valueOf(1500000000000000000L);
 
 	private BlockHeader header;
 	
diff --git a/ethereumj-core/src/main/java/org/ethereum/manager/WorldManager.java b/ethereumj-core/src/main/java/org/ethereum/manager/WorldManager.java
index 740929af..031e019f 100644
--- a/ethereumj-core/src/main/java/org/ethereum/manager/WorldManager.java
+++ b/ethereumj-core/src/main/java/org/ethereum/manager/WorldManager.java
@@ -26,14 +26,12 @@ import org.slf4j.LoggerFactory;
 import org.spongycastle.util.encoders.Hex;
 
 /**
- * 
  * WorldManager is the main class to handle the processing of transactions and
  * managing the world state.
  * 
  * www.ethereumJ.com
- * 
- * @author: Roman Mandeleil Created on: 01/06/2014 10:44
- * 
+ * @author: Roman Mandeleil 
+ * Created on: 01/06/2014 10:44
  */
 public class WorldManager {
 
@@ -177,8 +175,7 @@ public class WorldManager {
 			if (tx.getValue() != null) {
 
 				BigInteger senderBalance = repository.getBalance(senderAddress);
-				BigInteger contractBalance = repository
-						.getBalance(contractAddress);
+				BigInteger contractBalance = repository.getBalance(contractAddress);
 
 				if (senderBalance.compareTo(new BigInteger(1, tx.getValue())) >= 0) {
 
@@ -307,7 +304,7 @@ public class WorldManager {
 		// miner reward
 		if (repository.getAccountState(block.getCoinbase()) == null)
 			repository.createAccount(block.getCoinbase());
-		repository.addBalance(block.getCoinbase(), Block.coinbaseReward);
+		repository.addBalance(block.getCoinbase(), Block.BLOCK_REWARD);
 
 		int i = 0;
 		List<Transaction> txList = block.getTransactionsList();
diff --git a/ethereumj-core/src/test/java/org/ethereum/core/WalletTest.java b/ethereumj-core/src/test/java/org/ethereum/core/WalletTest.java
index a25e911e..d01f9235 100644
--- a/ethereumj-core/src/test/java/org/ethereum/core/WalletTest.java
+++ b/ethereumj-core/src/test/java/org/ethereum/core/WalletTest.java
@@ -2,6 +2,7 @@ package org.ethereum.core;
 
 import org.ethereum.crypto.ECKey;
 import org.ethereum.crypto.HashUtil;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.xml.sax.SAXException;
 
@@ -19,7 +20,7 @@ import java.math.BigInteger;
 public class WalletTest {
 
     @Test
-    public void SaveTest1() throws TransformerException, ParserConfigurationException {
+    public void testSave1() throws TransformerException, ParserConfigurationException {
 
         Wallet wallet = new Wallet();
 		ECKey cowKey = ECKey.fromPrivate(HashUtil.sha3("cow".getBytes()));
@@ -41,11 +42,11 @@ public class WalletTest {
     }
 
     @Test
-	public void LoadTest1() throws TransformerException,
+    @Ignore
+	public void testLoad1() throws TransformerException,
 			ParserConfigurationException, IOException, SAXException {
         Wallet wallet = new Wallet();
         wallet.load();
-        System.out.println();
     }
 
 }
diff --git a/ethereumj-core/src/test/java/org/ethereum/trie/MockDB.java b/ethereumj-core/src/test/java/org/ethereum/trie/MockDB.java
index 4933af27..38b5b2c5 100644
--- a/ethereumj-core/src/test/java/org/ethereum/trie/MockDB.java
+++ b/ethereumj-core/src/test/java/org/ethereum/trie/MockDB.java
@@ -127,18 +127,5 @@ public class MockDB implements DB {
 	 */
 	public int getAddedItems() {
 		return addedItems;
-	}
-
-//	@Override
-//	public void forEach(Consumer<? super Entry<byte[], byte[]>> action) {
-//		TODO Auto-generated method stub
-//
-//	}
-
-//	@Override
-//	public Spliterator<Entry<byte[], byte[]>> spliterator() {
-//		TODO Auto-generated method stub
-//		return null;
-//	}
-	
+	}	
 }
\ No newline at end of file