diff --git a/judge/runguard.cc b/judge/runguard.cc
index 3085ffa87b1..9a30be96165 100644
--- a/judge/runguard.cc
+++ b/judge/runguard.cc
@@ -570,9 +570,10 @@ void cgroup_create()
 		verbose("cpuset undefined");
 	}
 
-	if ( (cg_controller = cgroup_add_controller(cg, "cpu"))==nullptr ) {
-		error(0,"cgroup_add_controller cpu");
-	}
+    // TODO
+	// if ( (cg_controller = cgroup_add_controller(cg, "cpu"))==nullptr ) {
+	// 	error(0,"cgroup_add_controller cpu");
+	// }
     if (!is_cgroup_v2) {
         if ((cg_controller = cgroup_add_controller(cg, "cpuacct")) == nullptr) {
             error(0, "cgroup_add_controller cpuacct");