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diff --git a/genomix/genomix-data/src/test/java/edu/uci/ics/genomix/data/test/NodeWritableTest.java b/genomix/genomix-data/src/test/java/edu/uci/ics/genomix/data/test/NodeWritableTest.java
deleted file mode 100644
index 5bcf663..0000000
--- a/genomix/genomix-data/src/test/java/edu/uci/ics/genomix/data/test/NodeWritableTest.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package edu.uci.ics.genomix.data.test;
-
-import java.io.IOException;
-import java.util.Iterator;
-import java.util.Random;
-
-import junit.framework.Assert;
-
-import org.junit.Test;
-
-import edu.uci.ics.genomix.type.KmerBytesWritable;
-import edu.uci.ics.genomix.type.KmerListWritable;
-import edu.uci.ics.genomix.type.NodeWritable;
-import edu.uci.ics.genomix.type.PositionListWritable;
-import edu.uci.ics.genomix.type.PositionWritable;
-
-public class NodeWritableTest {
-
-    @Test
-    public void testNodeReset() throws IOException {
-        
-        NodeWritable outputNode = new NodeWritable();
-        NodeWritable inputNode = new NodeWritable();
-        
-        KmerListWritable nextKmerList = new KmerListWritable();
-        KmerListWritable preKmerList = new KmerListWritable();
-        KmerBytesWritable preKmer = new KmerBytesWritable();
-        KmerBytesWritable curKmer = new KmerBytesWritable();
-        KmerBytesWritable nextKmer = new KmerBytesWritable();
-        PositionWritable nodeId = new PositionWritable();
-        PositionListWritable nodeIdList = new PositionListWritable();
-        KmerBytesWritable.setGlobalKmerLength(5);
-        
-        nodeId.set((byte)0, (long)1, 0);
-        nodeIdList.append(nodeId);
-        for (int i = 6; i <= 10; i++) {
-        NodeWritable tempNode = new NodeWritable();
-        
-        String randomString = generaterRandomString(i);
-        byte[] array = randomString.getBytes();
-        
-        curKmer.setByRead(array, 0);
-        preKmer.setAsCopy(curKmer);
-        nextKmer.setAsCopy(curKmer);
-        nextKmer.shiftKmerWithNextChar(array[5]);
-        
-        nextKmerList.append(nextKmer);
-        
-        outputNode.setNodeIdList(nodeIdList);
-        outputNode.setFFList(nextKmerList);
-        
-        tempNode.setNodeIdList(nodeIdList);
-        tempNode.setFFList(nextKmerList);
-        
-        inputNode.setAsReference(outputNode.marshalToByteArray(), 0);
-        Assert.assertEquals(tempNode.toString(), inputNode.toString());
-        
-        int j = 5;
-        for (; j < array.length - 1; j++) {
-            outputNode.reset();
-            curKmer.setAsCopy(nextKmer);
-            
-            nextKmer.shiftKmerWithNextChar(array[j+1]);
-            nextKmerList.reset();
-            nextKmerList.append(nextKmer);
-            preKmerList.reset();
-            preKmerList.append(preKmer);
-            outputNode.setNodeIdList(nodeIdList);
-            outputNode.setFFList(nextKmerList);
-            outputNode.setRRList(preKmerList);
-            tempNode.reset();
-            tempNode.setNodeIdList(nodeIdList);
-            tempNode.setFFList(nextKmerList);
-            tempNode.setRRList(preKmerList);
-            preKmer.setAsCopy(curKmer);
-            inputNode.reset();
-            inputNode.setAsReference(outputNode.marshalToByteArray(), 0);
-            Assert.assertEquals(tempNode.toString(), inputNode.toString());
-        }
-        curKmer.setAsCopy(nextKmer);
-        preKmerList.reset();
-        preKmerList.append(preKmer);
-        outputNode.reset();
-        outputNode.setNodeIdList(nodeIdList);
-        outputNode.setRRList(preKmerList);
-        tempNode.reset();
-        tempNode.setNodeIdList(nodeIdList);
-        tempNode.setRRList(preKmerList);
-        inputNode.reset();
-        inputNode.setAsReference(outputNode.marshalToByteArray(), 0);
-        Assert.assertEquals(tempNode.toString(), inputNode.toString());
-        }
-    }
-
-    public String generaterRandomString(int n) {
-        char[] chars = "ACGT".toCharArray();
-        StringBuilder sb = new StringBuilder();
-        Random random = new Random();
-        for (int i = 0; i < n; i++) {
-            char c = chars[random.nextInt(chars.length)];
-            sb.append(c);
-        }
-        return sb.toString();
-    }
-}