diff -r 448fe2bfd505 -r ef8c8cf9256a src/hotspot/share/runtime/arguments.cpp
--- a/src/hotspot/share/runtime/arguments.cpp	Tue Sep 24 08:54:39 2019 +0200
+++ b/src/hotspot/share/runtime/arguments.cpp	Fri Sep 20 10:28:48 2019 +0200
@@ -82,7 +82,6 @@
 bool   Arguments::_xdebug_mode                  = false;
 const char*  Arguments::_java_vendor_url_bug    = DEFAULT_VENDOR_URL_BUG;
 const char*  Arguments::_sun_java_launcher      = DEFAULT_JAVA_LAUNCHER;
-int    Arguments::_sun_java_launcher_pid        = -1;
 bool   Arguments::_sun_java_launcher_is_altjvm  = false;
 
 // These parameters are reset in method parse_vm_init_args()
@@ -361,8 +360,7 @@
 
 // Process java launcher properties.
 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) {
-  // See if sun.java.launcher, sun.java.launcher.is_altjvm or
-  // sun.java.launcher.pid is defined.
+  // See if sun.java.launcher or sun.java.launcher.is_altjvm is defined.
   // Must do this before setting up other system properties,
   // as some of them may depend on launcher type.
   for (int index = 0; index < args->nOptions; index++) {
@@ -379,10 +377,6 @@
       }
       continue;
     }
-    if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) {
-      _sun_java_launcher_pid = atoi(tail);
-      continue;
-    }
   }
 }
 
@@ -1411,10 +1405,9 @@
   if (strcmp(key, "java.compiler") == 0) {
     process_java_compiler_argument(value);
     // Record value in Arguments, but let it get passed to Java.
-  } else if (strcmp(key, "sun.java.launcher.is_altjvm") == 0 ||
-             strcmp(key, "sun.java.launcher.pid") == 0) {
-    // sun.java.launcher.is_altjvm and sun.java.launcher.pid property are
-    // private and are processed in process_sun_java_launcher_properties();
+  } else if (strcmp(key, "sun.java.launcher.is_altjvm") == 0) {
+    // sun.java.launcher.is_altjvm property is
+    // private and is processed in process_sun_java_launcher_properties();
     // the sun.java.launcher property is passed on to the java application
   } else if (strcmp(key, "sun.boot.library.path") == 0) {
     // append is true, writable is true, internal is false