diff --git a/test/simulation/106-refclock b/test/simulation/106-refclock
index 46baee0..822fdc9 100755
--- a/test/simulation/106-refclock
+++ b/test/simulation/106-refclock
@@ -35,11 +35,7 @@ Root delay      : 0.001000000 seconds
 Update interval : 16\.. seconds
 .*$" || test_fail
 
-	if echo "$refclock" | grep -q 'PHC.*nocrossts'; then
-		check_file_messages "20.* GPS.*[0-9] N " 620 750 refclocks.log || test_fail
-	else
-		check_file_messages "20.* GPS.*[0-9] N " 997 1001 refclocks.log || test_fail
-	fi
+	check_file_messages "20.* GPS.*[0-9] N " 997 1001 refclocks.log || test_fail
 	check_file_messages "20.* GPS.*- N " 61 63 refclocks.log || test_fail
 	rm -f tmp/refclocks.log
 done
@@ -136,6 +132,7 @@ Root delay      : 0\.000000001 seconds
 
 	check_file_messages "20.* PPS0.*[0-9] N " 800 960  refclocks.log || test_fail
 	check_file_messages "20.* PPS0.*- N " 50 63 refclocks.log || test_fail
+	rm -f tmp/refclocks.log
 fi
 
 export CLKNETSIM_PHC_JITTER_OFF=$[2 * 25 * 492]
@@ -160,6 +157,7 @@ check_sync || test_fail
 check_chronyc_output "^MS.*
 =*
 #\* PHC0                          0   0   377     8 .*$" || test_fail
+rm -f tmp/refclocks.log
 
 unset CLKNETSIM_PHC_JITTER_OFF
 unset CLKNETSIM_PHC_JITTER_ON