1 files changed, 1 insertions, 4 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java b/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java
index 3e0f320..fd3fb1f 100644
--- a/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java
+++ b/src/uk/ac/ox/cs/pagoda/query/AnswerTuplesImp.java
@@ -3,7 +3,7 @@ package uk.ac.ox.cs.pagoda.query;
 import java.util.Iterator;
 import java.util.Set;
 
-public class AnswerTuplesImp implements AnswerTuples {
+public class AnswerTuplesImp extends AnswerTuples {
 
         int m_index; 
         Iterator<AnswerTuple> m_iter;
@@ -54,9 +54,6 @@ public class AnswerTuplesImp implements AnswerTuples {
         }
 
         @Override
-        public void dispose() {}
-
-        @Override
         public void reset() {
                 if (m_answers1 == null || m_answers1.isEmpty()) {
                         m_index = 2;