diff --git a/test/perf/passt_tcp b/test/perf/passt_tcp
index 205b9af..da4e369 100644
--- a/test/perf/passt_tcp
+++ b/test/perf/passt_tcp
@@ -41,7 +41,7 @@ set	THREADS 1
 set	STREAMS 8
 set	TIME 10
 hout	OMIT echo __TIME__ / 6 | bc -l
-set	OPTS -Z -P __STREAMS__ -l 1M -O__OMIT__ --pacing-timer 1000000
+set	OPTS -Z -P __STREAMS__ -l 1M -O__OMIT__
 
 info	Throughput in Gbps, latency in µs, one thread at __FREQ__ GHz, __STREAMS__ streams
 report	passt tcp __THREADS__ __FREQ__
diff --git a/test/perf/pasta_tcp b/test/perf/pasta_tcp
index 3a8ad40..11c73f8 100644
--- a/test/perf/pasta_tcp
+++ b/test/perf/pasta_tcp
@@ -25,7 +25,7 @@ set	THREADS 2
 set	STREAMS 2
 set	TIME 10
 hout	OMIT echo __TIME__ / 6 | bc -l
-set	OPTS -Z -w 4M -l 1M -P __STREAMS__ -O__OMIT__ --pacing-timer 10000
+set	OPTS -Z -w 4M -l 1M -P __STREAMS__ -O__OMIT__
 
 hout	FREQ_PROCFS (echo "scale=1"; sed -n 's/cpu MHz.*: \([0-9]*\)\..*$/(\1+10^2\/2)\/10^3/p' /proc/cpuinfo) | bc -l | head -n1
 hout	FREQ_CPUFREQ (echo "scale=1"; printf '( %i + 10^5 / 2 ) / 10^6\n' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
@@ -128,7 +128,7 @@ nsout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 set	THREADS 1
 set	STREAMS 2
-set	OPTS -Z -P __STREAMS__ -i1 -O__OMIT__ --pacing-timer 100000
+set	OPTS -Z -P __STREAMS__ -i1 -O__OMIT__
 
 info	Throughput in Gbps, latency in µs, one thread at __FREQ__ GHz, __STREAMS__ streams
 report	pasta tap_tcp __THREADS__ __FREQ__