src/jdk.incubator.jpackage/macosx/classes/jdk/incubator/jpackage/internal/MacAppBundler.java

*** 100,124 ****
              Arguments.CLIOptions.MAC_BUNDLE_SIGNING_PREFIX.getId(),
              String.class,
              params -> IDENTIFIER.fetchFrom(params) + ".",
              (s, p) -> s);
  
-     public static final BundlerParamInfo<File> ICON_ICNS =
-             new StandardBundlerParam<>(
-             "icon.icns",
-             File.class,
-             params -> {
-                 File f = ICON.fetchFrom(params);
-                 if (f != null && !f.getName().toLowerCase().endsWith(".icns")) {
-                     Log.error(MessageFormat.format(
-                             I18N.getString("message.icon-not-icns"), f));
-                     return null;
-                 }
-                 return f;
-             },
-             (s, p) -> new File(s));
- 
      public static boolean validCFBundleVersion(String v) {
          // CFBundleVersion (String - iOS, OS X) specifies the build version
          // number of the bundle, which identifies an iteration (released or
          // unreleased) of the bundle. The build version number should be a
          // string comprised of three non-negative, period-separated integers
--- 100,109 ----