diff --git a/app/src/i18n/locales/en.json b/app/src/i18n/locales/en.json
index 18b240a8..cf65d4f9 100644
--- a/app/src/i18n/locales/en.json
+++ b/app/src/i18n/locales/en.json
@@ -550,32 +550,9 @@
     "wrong_password": "Wrong password",
     "yes": "Yes",
     "yunohost_admin": "YunoHost Admin",
-    "certificate_alert_not_valid": "CRITICAL: Current certificate is not valid! HTTPS won't work at all!",
-    "certificate_alert_selfsigned": "WARNING: Current certificate is self-signed. Browsers will display a spooky warning to new visitors!",
-    "certificate_alert_letsencrypt_about_to_expire": "Current certificate is about to expire. It should soon be renewed automatically.",
-    "certificate_alert_about_to_expire": "WARNING: Current certificate is about to expire! It will NOT be renewed automatically!",
-    "certificate_alert_good": "Okay, current certificate looks good!",
-    "certificate_alert_great": "Great! You're using a valid Let's Encrypt certificate!",
-    "certificate_alert_unknown": "Unknown status",
     "certificate_manage": "Manage SSL certificate",
     "ssl_certificate": "SSL certificate",
-    "confirm_cert_install_LE": "Are you sure you want to install a Let's Encrypt certificate for this domain?",
-    "confirm_cert_regen_selfsigned": "Are you sure you want to regenerate a self-signed certificate for this domain?",
-    "confirm_cert_manual_renew_LE": "Are you sure you want to manually renew the Let's Encrypt certificate for this domain now?",
-    "confirm_cert_revert_to_selfsigned": "Are you sure you want to revert this domain to a self-signed certificate?",
     "certificate": "Certificate",
-    "certificate_status": "Certificate status",
-    "certificate_authority": "Certification authority",
-    "validity": "Validity",
-    "domain_is_eligible_for_ACME": "This domain seems correctly configured to install a Let's Encrypt certificate!",
-    "domain_not_eligible_for_ACME": "This domain doesn't seem ready for a Let's Encrypt certificate. Please check your DNS configuration and HTTP server reachability. The 'DNS records' and 'Web' section in <a href='#/diagnosis'>the diagnosis page</a> can help you understand what is misconfigured.",
-    "install_letsencrypt_cert": "Install a Let's Encrypt certificate",
-    "manually_renew_letsencrypt_message": "Certificate will be automatically renewed during the last 15 days of validity. You can manually renew it if you want to. (Not recommended).",
-    "manually_renew_letsencrypt": "Manually renew now",
-    "regenerate_selfsigned_cert_message": "If you want, you can regenerate the self-signed certificate.",
-    "regenerate_selfsigned_cert": "Regenerate self-signed certificate",
-    "revert_to_selfsigned_cert_message": "If you really want to, you can reinstall a self-signed certificate. (Not recommended)",
-    "revert_to_selfsigned_cert": "Revert to a self-signed certificate",
     "purge_user_data_checkbox": "Purge {name}'s data? (This will remove the content of its home and mail directories.)",
     "purge_user_data_warning": "Purging user's data is not reversible. Be sure you know what you're doing!"
 }