1 files changed, 1 insertions, 3 deletions

diff --git a/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java b/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java
index 58303bb..61b6364 100644
--- a/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java
+++ b/src/uk/ac/ox/cs/pagoda/query/GapTupleIterator.java
@@ -17,8 +17,6 @@ public abstract class GapTupleIterator<T> implements Iterator<T> {
         
         public void compile(String programText) throws JRDFStoreException {}
         
-        public abstract boolean isValid();
-        
         public abstract void save(String file); 
         
         public abstract void addBackTo() throws JRDFStoreException;
@@ -26,5 +24,5 @@ public abstract class GapTupleIterator<T> implements Iterator<T> {
         public abstract void addTo(DataStore store) throws JRDFStoreException;
         
         public abstract void clear();
-
+        
 }