diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/ArchiveFileFilter.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/ArchiveFileFilter.java
index c3a40ba6379..e55d3418234 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/ArchiveFileFilter.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/ArchiveFileFilter.java
@@ -23,14 +23,15 @@ import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerFilter;
 
-/**
- * ArchiveFileFilter
- */
 /**
  * Viewer filter for archive selection dialogs.
  * Archives are files with file extension "a",  "dll", "so.
  * The filter is not case sensitive.
+ * 
+ * @deprecated as of CDT 4.0. This class was used for property pages
+ * for 3.X style projects.
  */
+@Deprecated
 public class ArchiveFileFilter extends ViewerFilter {
 
 	private static final String[] fgArchiveExtensions= { "a", "so", "dll" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$