diff -r fd4868c5fca1 -r 9a85a7a076ad src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources.properties
--- a/src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources.properties	Mon Jan 07 16:43:30 2019 -0500
+++ b/src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources.properties	Tue Jan 08 07:37:14 2019 -0500
@@ -97,9 +97,6 @@
 \  --icon <icon file path>\n\
 \          Path of the icon of the application bundle\n\
 \          (absolute path or relative to the current directory)\n\
-\  --singleton\n\
-\          Prevents multiple instances of the application from launching\n\
-\          (see SingleInstanceService API for more details)\n\
 \  --identifier <id string>\n\
 \          Machine readable identifier of the application\n\
 \          The format must be a DNS name in reverse order,\n\