diff --git a/src/main/java/org/gcube/accounting/exception/ExcludeException.java b/src/main/java/org/gcube/accounting/exception/ExcludeException.java
deleted file mode 100644
index bdfb700..0000000
--- a/src/main/java/org/gcube/accounting/exception/ExcludeException.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/**
- * 
- */
-package org.gcube.accounting.exception;
-
-/**
- * @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
- *
- */
-public class ExcludeException extends Exception {
-
-	/**
-	 * Generated serial Version UID
-	 */
-	private static final long serialVersionUID = -4512534842977294L;
-	
-	public ExcludeException() {
-		super();
-	}
-
-	public ExcludeException(String message) {
-		super(message);
-	}
-
-	public ExcludeException(String message, Throwable cause) {
-		super(message, cause);
-	}
-	
-}
\ No newline at end of file
diff --git a/src/main/java/org/gcube/accounting/exception/InternallyReservedKeywordException.java b/src/main/java/org/gcube/accounting/exception/InternallyReservedKeywordException.java
deleted file mode 100644
index 7ffd097..0000000
--- a/src/main/java/org/gcube/accounting/exception/InternallyReservedKeywordException.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/**
- * 
- */
-package org.gcube.accounting.exception;
-
-/**
- * @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
- *
- */
-public class InternallyReservedKeywordException extends Exception {
-
-	/**
-	 * Generated serial Version UID
-	 */
-	private static final long serialVersionUID = -1696928739600823255L;
-	
-	public InternallyReservedKeywordException() {
-		super();
-	}
-
-	public InternallyReservedKeywordException(String message) {
-		super(message);
-	}
-	
-	public InternallyReservedKeywordException(String message, Throwable cause) {
-		super(message, cause);
-	}
-}