After JDK-8022440 (suppress deprecation warnings in sun.rmi), there still two files in jdk.rmic have deprecation warnings that need to be cleaned up:

/workspace/dev/jdk/src/jdk.rmic/share/classes/sun/rmi/rmic/Main.java:688: warning: [deprecation] sun.tools.javac.SourceClass in sun.tools.javac has been deprecated
        SourceClass src;
        ^
/workspace/dev/jdk/src/jdk.rmic/share/classes/sun/rmi/rmic/Main.java:726: warning: [deprecation] sun.tools.javac.SourceClass in sun.tools.javac has been deprecated
                src = (SourceClass)c.getClassDefinition(env);
                       ^
/workspace/dev/jdk/src/jdk.rmic/share/classes/sun/rmi/rmic/Main.java:734: warning: [deprecation] sun.tools.javac.SourceClass in sun.tools.javac has been deprecated
                src = (SourceClass)c.getClassDefinition(env);
                       ^
/workspace/dev/jdk/src/jdk.rmic/share/classes/sun/rmi/rmic/BatchEnvironment.java:64: warning: [deprecation] sun.tools.javac.BatchEnvironment in sun.tools.javac has been deprecated
public class BatchEnvironment extends sun.tools.javac.BatchEnvironment {
                                                     ^