--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeCopier.java	Thu Sep 05 12:39:48 2019 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/TreeCopier.java	Thu Sep 12 17:47:24 2019 +0200
@@ -144,7 +144,7 @@
     }
 
     @DefinedBy(Api.COMPILER_TREE)
-    @SuppressWarnings("removal")
+    @SuppressWarnings("preview")
     public JCTree visitYield(YieldTree node, P p) {
         JCYield t = (JCYield) node;
         JCExpression value = copy(t.value, p);
@@ -380,7 +380,7 @@
     }
 
     @DefinedBy(Api.COMPILER_TREE)
-    @SuppressWarnings("removal")
+    @SuppressWarnings("preview")
     public JCTree visitSwitchExpression(SwitchExpressionTree node, P p) {
         JCSwitchExpression t = (JCSwitchExpression) node;
         JCExpression selector = copy(t.selector, p);