diff --git a/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElement.java b/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElement.java
index b52c1ce2f5f..b0d9ab90791 100644
--- a/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElement.java
+++ b/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElement.java
@@ -19,8 +19,12 @@ import org.eclipse.core.resources.IProject;
  * Similar to CPElement. Describes discovered paths and symbols available
  * through DiscoveredPathInfo instead of CPathEntry.
  * 
+ * @deprecated as of CDT 4.0. This class was used to set preferences/properties
+ * for 3.X style projects.
+ * 
  * @author vhirsl
  */
+@Deprecated
 public class DiscoveredElement {
 	public static final int CONTAINER = 1;
 	public static final int INCLUDE_PATH = 2;
diff --git a/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementLabelProvider.java b/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementLabelProvider.java
index 26a096e0ca8..88e38951904 100644
--- a/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementLabelProvider.java
+++ b/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementLabelProvider.java
@@ -29,8 +29,12 @@ import org.eclipse.swt.widgets.Display;
 /**
  * Label provider for DiscoveredElement-s. DiscoveredElement can be active or removed.
  * 
+ * @deprecated as of CDT 4.0. This class was used to set preferences/properties
+ * for 3.X style projects.
+ * 
  * @author vhirsl
  */
+@Deprecated
 public class DiscoveredElementLabelProvider extends LabelProvider implements IColorProvider {
 	private final Color inDirect = new Color(Display.getDefault(), new RGB(170, 170, 170));
 
diff --git a/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementSorter.java b/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementSorter.java
index 9d5714c36bf..24b39955f17 100644
--- a/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementSorter.java
+++ b/build/org.eclipse.cdt.make.ui/src/org/eclipse/cdt/make/internal/ui/scannerconfig/DiscoveredElementSorter.java
@@ -14,10 +14,12 @@ import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerSorter;
 
 /**
- * TODO Provide description
+ * @deprecated as of CDT 4.0. This class was used to set preferences/properties
+ * for 3.X style projects.
  * 
  * @author vhirsl
  */
+@Deprecated
 public class DiscoveredElementSorter extends ViewerSorter {
 	private static final int CONTAINER = 0;
 	private static final int PATHS_GROUP = 1;