diff --git a/host_vars/localhost.yml b/host_vars/localhost.yml
index 578ca52..6f93945 100644
--- a/host_vars/localhost.yml
+++ b/host_vars/localhost.yml
@@ -30,10 +30,10 @@ gpu_mv_offset: "+125" # add 125mV or 0.125V
 # optional kernel parameters to set as well
 sysctl:  # quote ints/cast to string to avoid surprises
   kernel.dmesg_restrict: '0'  # allow regular users to see the kernel ring buffer
-  net.core.default_qdisc: fq  # congestion control
-  net.ipv4.tcp_congestion_control: bbr2  # cong. control part 2
-  net.core.rmem_max: '33554432'
-  net.core.wmem_max: '33554432'
+  # net.core.default_qdisc: fq  # congestion control
+  # net.ipv4.tcp_congestion_control: bbr2  # cong. control part 2
+  # net.core.rmem_max: '33554432'
+  # net.core.wmem_max: '33554432'
   dev.raid.speed_limit_min: '2000000'
   dev.raid.speed_limit_max: '6000000'
   vm.compaction_proactiveness: '30'  # improve THP allocation latency, compact in background