diff --git a/test/simulation/120-selectoptions b/test/simulation/120-selectoptions
index a6b1e14..b4b6704 100755
--- a/test/simulation/120-selectoptions
+++ b/test/simulation/120-selectoptions
@@ -16,7 +16,6 @@ server 192.168.123.3 trust"
 run_test || test_fail
 check_chronyd_exit || test_fail
 check_source_selection || test_fail
-check_packet_interval || test_fail
 check_sync || test_fail
 
 client_server_conf="
@@ -27,7 +26,6 @@ server 192.168.123.3 prefer"
 run_test || test_fail
 check_chronyd_exit || test_fail
 check_source_selection || test_fail
-check_packet_interval || test_fail
 # This check is expected to fail
 check_sync && test_fail
 
@@ -36,10 +34,9 @@ base_delay=1.1
 run_test || test_fail
 check_chronyd_exit || test_fail
 check_source_selection || test_fail
-check_packet_interval || test_fail
 check_sync || test_fail
 
-base_delay=$default_base_delay
+base_delay=1e-3
 falsetickers=1
 
 client_server_conf="