diff --git a/ctdb/tests/CLUSTER/complex/11_ctdb_delip_removes_ip.sh b/ctdb/tests/CLUSTER/complex/11_ctdb_delip_removes_ip.sh
index 72a498b2dd8..77e59f8c927 100755
--- a/ctdb/tests/CLUSTER/complex/11_ctdb_delip_removes_ip.sh
+++ b/ctdb/tests/CLUSTER/complex/11_ctdb_delip_removes_ip.sh
@@ -8,36 +8,27 @@
 
 set -e
 
+test_node_has_test_ip()
+{
+	# $test_node and $test_ip set by select_test_node_and_ips()
+	# shellcheck disable=SC2154
+	try_command_on_node "$test_node" "ip addr show to ${test_ip}"
+	[ -n "$out" ]
+}
+
 ctdb_test_init
 
 select_test_node_and_ips
-get_test_ip_mask_and_iface
 
 echo "Checking that node ${test_node} hosts ${test_ip}..."
-try_command_on_node $test_node "ip addr show to ${test_ip} | grep -q ."
+test_node_has_test_ip
 
 echo "Attempting to remove ${test_ip} from node ${test_node}."
 try_command_on_node $test_node $CTDB delip $test_ip
 try_command_on_node $test_node $CTDB ipreallocate
 wait_until_ips_are_on_node '!' $test_node $test_ip
 
-timeout=60
-increment=5
-count=0
 echo "Waiting for ${test_ip} to disappear from node ${test_node}..."
-while :; do
-	try_command_on_node -v $test_node "ip addr show to ${test_ip}"
-	if [ -n "$out" ]; then
-		echo "Still there..."
-		if [ $(($count * $increment)) -ge $timeout ]; then
-			echo "BAD: Timed out waiting..."
-			exit 1
-		fi
-		sleep_for $increment
-		count=$(($count + 1))
-	else
-		break
-	fi
-done
+wait_until 60/5 '!' test_node_has_test_ip
 
 echo "GOOD: IP was successfully removed!"