diff --git a/base/src/org/adempiere/pipo/AbstractElementHandler.java b/base/src/org/adempiere/pipo/AbstractElementHandler.java
index b87fa6f139..4ab728bf62 100644
--- a/base/src/org/adempiere/pipo/AbstractElementHandler.java
+++ b/base/src/org/adempiere/pipo/AbstractElementHandler.java
@@ -192,7 +192,6 @@ public abstract class AbstractElementHandler implements ElementHandler {
     	int tableID = get_IDWithColumn(ctx, "AD_Table", "TableName", tableName);    	
 		POInfo poInfo = POInfo.getPOInfo(ctx, tableID, getTrxName(ctx));
 		for (int i = 0; i < poInfo.getColumnCount(); i++){
-			String colName = poInfo.getColumnName(i);
 			colValue=null;
 			
 			    int columnID =get_IDWithMasterAndColumn (ctx, "AD_Column", "ColumnName", poInfo.getColumnName(i), "AD_Table", tableID);
diff --git a/base/src/org/adempiere/pipo/CreateZipFile.java b/base/src/org/adempiere/pipo/CreateZipFile.java
index ff7fddca1c..f9cf407149 100644
--- a/base/src/org/adempiere/pipo/CreateZipFile.java
+++ b/base/src/org/adempiere/pipo/CreateZipFile.java
@@ -101,11 +101,10 @@ public class CreateZipFile {
      }
 	static public String getParentDir(File zipFilepath)
     {
-		String ParentDir=null;
 		try {
 		ZipFile zipFile = new ZipFile(zipFilepath);
-		Enumeration entries = zipFile.entries();
-		ZipEntry entry = (ZipEntry)entries.nextElement();
+		Enumeration<? extends ZipEntry> entries = zipFile.entries();
+		ZipEntry entry = entries.nextElement();
 		File tempfile = new File(entry.getName());
 		while (tempfile.getParent()!=null)
 			tempfile = tempfile.getParentFile();		
diff --git a/base/src/org/adempiere/process/Export.java b/base/src/org/adempiere/process/Export.java
index d361d6b183..48ce4ae933 100644
--- a/base/src/org/adempiere/process/Export.java
+++ b/base/src/org/adempiere/process/Export.java
@@ -134,7 +134,6 @@ public class Export extends SvrProcess
 	 * 	Process - Generate Export Format
 	 *	@return info
 	 */
-	@SuppressWarnings("unchecked")
 	protected String doIt () throws Exception
 	{
 		outDocument = createNewDocument();