--- old/test/hotspot/jtreg/serviceability/sa/ClhsdbJhisto.java	2019-02-15 20:10:39.167531829 +0100
+++ new/test/hotspot/jtreg/serviceability/sa/ClhsdbJhisto.java	2019-02-15 20:10:38.639531833 +0100
@@ -36,7 +36,6 @@
  * @summary Test clhsdb jhisto command
  * @requires vm.hasSA
  * @requires vm.gc != "Shenandoah"
- * @requires vm.gc != "Z"
  * @library /test/lib
  * @run main/othervm ClhsdbJhisto
  */