diff --git a/com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/BitVector.java b/com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/BitVector.java
deleted file mode 100644
index 292ba5d..0000000
--- a/com.minres.scviewer.database/src/com/minres/scviewer/database/vcd/BitVector.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package com.minres.scviewer.database.vcd;
-
-public class BitVector {
-
-	public static final char VALUE_X = 'X';
-	public static final char VALUE_Z = 'Z';
-	public static final char VALUE_1 = '1';
-	public static final char VALUE_0 = '0';
-
-	private final int width;
-	
-	private char[] value;
-	
-	public BitVector(int netWidth) {
-		this.width=netWidth;
-		value = new char[netWidth];
-		for(int i=0; i<netWidth; i++) value[i]='0';
-	}
-
-	public void setValue(int i, char value) {
-		this.value[i]=value;
-	}
-
-	public char[] getValue() {
-		return value;
-	}
-
-	public void setValue(char[] value) {
-		this.value = value;
-	}
-
-	public int getWidth() {
-		return width;
-	}
-
-	public String toString(){
-		return new String(value);
-	}
-}
diff --git a/com.minres.scviewer.ui/src/com/minres/scviewer/ui/adapter/AdapterFactory.java b/com.minres.scviewer.ui/src/com/minres/scviewer/ui/adapter/AdapterFactory.java
deleted file mode 100644
index 2dfba1d..0000000
--- a/com.minres.scviewer.ui/src/com/minres/scviewer/ui/adapter/AdapterFactory.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package com.minres.scviewer.ui.adapter;
-
-import org.eclipse.core.runtime.IAdapterFactory;
-import org.eclipse.ui.views.properties.IPropertySource;
-
-import com.minres.scviewer.database.ITx;
-
-public class AdapterFactory implements IAdapterFactory {
-
-	@SuppressWarnings("rawtypes")
-	@Override
-	public Object getAdapter(Object adaptableObject, Class adapterType) {
-		if (adapterType == IPropertySource.class)
-			return new ITransactionPropertySource((ITx) adaptableObject);
-		return null;
-	}
-
-	@SuppressWarnings("rawtypes")
-	@Override
-	public Class[] getAdapterList() {
-		return new Class[]{IPropertySource.class};
-	}
-
-}