diff --git a/src/main/org/apache/tools/ant/types/FilterSet.java b/src/main/org/apache/tools/ant/types/FilterSet.java
index 9251c7020..c15f7dafe 100644
--- a/src/main/org/apache/tools/ant/types/FilterSet.java
+++ b/src/main/org/apache/tools/ant/types/FilterSet.java
@@ -1,5 +1,5 @@
 /*
- * Copyright  2001-2005 The Apache Software Foundation
+ * Copyright  2001-2006 The Apache Software Foundation
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -585,12 +585,6 @@ public class FilterSet extends DataType implements Cloneable {
         return value;
     }
 
-    private void addFiltersFile(File f) {
-        if (!filtersFiles.contains(f)) {
-            filtersFiles.add(f);
-        }
-    }
-
     private void handleMissingFile(String message) {
         switch (onMissingFiltersFile.getIndex()) {
         case OnMissing.IGNORE_INDEX: