--- old/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java 2019-12-02 22:13:27.324955999 -0800 +++ new/src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacProcessingEnvironment.java 2019-12-02 22:13:27.168877999 -0800 @@ -762,7 +762,6 @@ */ private void checkSourceVersionCompatibility(Source source, Log log) { SourceVersion procSourceVersion = processor.getSupportedSourceVersion(); - if (procSourceVersion.compareTo(Source.toSourceVersion(source)) < 0 ) { log.warning(Warnings.ProcProcessorIncompatibleSourceVersion(procSourceVersion, processor.getClass().getName(),