diff --git a/check_external_ip_dynamic_cf.sh b/check_external_ip_dynamic_cf.sh
index 5362a33..05a1515 100755
--- a/check_external_ip_dynamic_cf.sh
+++ b/check_external_ip_dynamic_cf.sh
@@ -4,7 +4,6 @@
 usage() {
     echo "Usage: $0 -d domain -u email -k key -i ip_checker"
     echo "  -d    The domain to check"
-    echo "  -u    The Cloudflare email"
     echo "  -k    The Cloudflare API key"
     echo "  -i    The IP checker service URL"
     echo "  -e    The expected IP of the domain. Optional, use instead of -i"
@@ -13,11 +12,10 @@ usage() {
 
 expected_ip=""
 
-while getopts d:u:k:i:e: flag
+while getopts d:k:i:e: flag
 do
     case "${flag}" in
         d) domain=${OPTARG};;
-        u) email=${OPTARG};;
         k) key=${OPTARG};;
         i) ip_checker=${OPTARG};;
         e) expected_ip=${OPTARG};;
@@ -26,7 +24,7 @@ do
 done
 
 # Check that all arguments were provided
-if [ -z "$domain" ] || [ -z "$email" ] || [ -z "$key" ] || [ -z "$ip_checker" ]; then
+if [ -z "$domain" ] || [ -z "$key" ] || [ -z "$ip_checker" ]; then
     usage
 fi