--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java	Mon Nov 11 17:43:10 2019 -0800
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java	Tue Nov 12 06:32:13 2019 +0000
@@ -1432,7 +1432,6 @@
         }
         List<JCStatement> stats = null;
         JCTree body = null;
-        @SuppressWarnings("preview")
         CaseTree.CaseKind kind;
         switch (token.kind) {
             case ARROW:
@@ -2897,7 +2896,6 @@
                 nextToken();
                 checkSourceLevel(Feature.SWITCH_MULTIPLE_CASE_LABELS);
             };
-            @SuppressWarnings("preview")
             CaseTree.CaseKind caseKind;
             JCTree body = null;
             if (token.kind == ARROW) {
@@ -2922,7 +2920,6 @@
         }
         case DEFAULT: {
             nextToken();
-            @SuppressWarnings("preview")
             CaseTree.CaseKind caseKind;
             JCTree body = null;
             if (token.kind == ARROW) {
@@ -3300,7 +3297,7 @@
             if (allowYieldStatement) {
                 return true;
             } else if (shouldWarn) {
-                log.warning(pos, Warnings.RestrictedTypeNotAllowedPreview(name, Source.JDK13));
+                log.warning(pos, Warnings.RestrictedTypeNotAllowed(name, Source.JDK14));
             }
         }
         return false;