diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/TranslationUnitHelper.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/TranslationUnitHelper.java
index 87cc99ed20b..6337d7c93bc 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/TranslationUnitHelper.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/utils/TranslationUnitHelper.java
@@ -38,8 +38,9 @@ import org.eclipse.cdt.internal.ui.refactoring.Container;
  * A collection of methods that deal with IASTTranslationUnits.
  * 
  * @author Mirko Stocker
- *
+ * @deprecated Use REfactoringASTCache.
  */
+@Deprecated
 public class TranslationUnitHelper {
 	private static final int AST_STYLE = ITranslationUnit.AST_CONFIGURE_USING_SOURCE_CONTEXT | ITranslationUnit.AST_SKIP_INDEXED_HEADERS;