diff -r 14e098407bb0 -r ad69fd32778e src/jdk.compiler/share/classes/com/sun/source/util/SimpleTreeVisitor.java
--- a/src/jdk.compiler/share/classes/com/sun/source/util/SimpleTreeVisitor.java	Mon Oct 21 15:11:44 2019 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/source/util/SimpleTreeVisitor.java	Mon Oct 21 15:38:26 2019 +0200
@@ -264,20 +264,23 @@
     }
 
     /**
+     * {@preview Associated with switch expressions, a preview feature of
+     *           the Java language.
+     *
+     *           This method is associated with <i>switch expressions</i>, a preview
+     *           feature of the Java language. Preview features
+     *           may be removed in a future release, or upgraded to permanent
+     *           features of the Java language.}
+     *
      * {@inheritDoc} This implementation calls {@code defaultAction}.
      *
      * @param node {@inheritDoc}
      * @param p {@inheritDoc}
      * @return  the result of {@code defaultAction}
-     *
-     * @deprecated
-     * This method is modeling switch expressions,
-     * which are part of a preview feature and may be removed
-     * if the preview feature is removed.
      */
     @Override
-    @Deprecated(forRemoval=true, since="12")
-    @SuppressWarnings("removal")
+    @jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.SWITCH_EXPRESSIONS)
+    @SuppressWarnings("preview")
     public R visitSwitchExpression(SwitchExpressionTree node, P p) {
         return defaultAction(node, p);
     }
@@ -791,8 +794,8 @@
      * @return  the result of {@code defaultAction}
      */
     @Override
-    @Deprecated(forRemoval=true, since="13")
-    @SuppressWarnings("removal")
+    @jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.SWITCH_EXPRESSIONS)
+    @SuppressWarnings("preview")
     public R visitYield(YieldTree node, P p) {
         return defaultAction(node, p);
     }