--- old/src/hotspot/os/posix/gc/z/zInitialize_posix.cpp	2019-12-11 18:52:42.150233522 +0100
+++ new/src/hotspot/os/posix/gc/z/zInitialize_posix.cpp	2019-12-11 18:52:41.898229464 +0100
@@ -27,7 +27,3 @@
 void ZInitialize::initialize_os() {
   // Does nothing
 }
-
-bool ZInitialize::is_os_supported() {
-  return true;
-}