diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/fast/PDOMFastIndexerJob.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/fast/PDOMFastIndexerJob.java
index 5f959855ee6..1c2f3140968 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/fast/PDOMFastIndexerJob.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/fast/PDOMFastIndexerJob.java
@@ -43,7 +43,7 @@ import org.eclipse.core.runtime.IProgressMonitor;
  * @author Doug Schaefer
  *
  */
-abstract class PDOMFastIndexerJob extends PDOMIndexerTask implements IPDOMIndexerTask {
+abstract class PDOMFastIndexerJob extends PDOMIndexerTask {
 
 	protected final PDOMFastIndexer indexer;
 	protected IWritableIndex index;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/full/PDOMFullIndexerJob.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/full/PDOMFullIndexerJob.java
index 7a379812b48..fa3f45b6bc0 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/full/PDOMFullIndexerJob.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/indexer/full/PDOMFullIndexerJob.java
@@ -36,7 +36,7 @@ import org.eclipse.core.runtime.IProgressMonitor;
  * @author Doug Schaefer
  *
  */
-abstract class PDOMFullIndexerJob extends PDOMIndexerTask implements IPDOMIndexerTask {
+abstract class PDOMFullIndexerJob extends PDOMIndexerTask {
 	final static Object REQUIRED= new Object();
 	final static Object MISSING = new Object();
 	final static Object SKIP=     new Object();