diff --git a/src/main/org/apache/tools/ant/types/resources/CompressedResource.java b/src/main/org/apache/tools/ant/types/resources/CompressedResource.java
index 9dc5ee1a6..1d531cd7d 100755
--- a/src/main/org/apache/tools/ant/types/resources/CompressedResource.java
+++ b/src/main/org/apache/tools/ant/types/resources/CompressedResource.java
@@ -35,8 +35,7 @@ import org.apache.tools.ant.util.FileUtils;
  *
  * @since Ant 1.7
  */
-public abstract class CompressedResource extends Resource
-    implements ResourceCollection {
+public abstract class CompressedResource extends Resource {
 
     private Resource resource;