diff --git a/lib/common.sh b/lib/common.sh
index dd25329..07b666b 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -173,10 +173,6 @@ validate_password() {
   [[ ${#1} -ge 8 ]]
 }
 
-validate_ssl_mode() {
-  [[ "$1" == "letsencrypt" ]] || [[ "$1" == "existing" ]]
-}
-
 validate_tls_mode() {
   [[ "$1" == "cloudflare" ]] || [[ "$1" == "existing" ]]
 }
@@ -278,7 +274,6 @@ _validator_hint() {
     positive_integer) echo "must be a positive integer (>= 1)" ;;
     nonempty)         echo "cannot be empty" ;;
     password)         echo "must be at least 8 characters" ;;
-    ssl_mode)         echo "must be letsencrypt or existing" ;;
     tls_mode)         echo "must be cloudflare or existing" ;;
     db_type)          echo "must be sqlite3, mysql, postgres, or mssql" ;;
     optional)         echo "any value or empty" ;;