diff --git a/packages/system-test/src/main/skel/etc/layouts/system-test.conf b/packages/system-test/src/main/skel/etc/layouts/system-test.conf
index 631acd6ac01..a57e17f2186 100644
--- a/packages/system-test/src/main/skel/etc/layouts/system-test.conf
+++ b/packages/system-test/src/main/skel/etc/layouts/system-test.conf
@@ -3,7 +3,6 @@ system-test.home=${dcache.home}
 dcache.broker.scheme=none
 dcache.pid.dir=/tmp
 dcache.java.memory.heap=1024m
-dcache.java.memory.direct=256m
 dcache.enable.space-reservation=true
 dcache.net.listen=127.0.0.1
 pool.mover.http.port.min = 20000