diff --git a/roles/php_website/defaults/main.yml b/roles/php_website/defaults/main.yml
index 1d46b492eddfa2bc2372a5270acf3e1354104d42..3b9d577646ace35738efbcf7e92d813d2959e3d9 100644
--- a/roles/php_website/defaults/main.yml
+++ b/roles/php_website/defaults/main.yml
@@ -13,15 +13,12 @@ environment_indicator: null
 
 # Internal parameters.
 php_fpm_service_name_per_release:
-  buster: "php7.3-fpm"
   bullseye: "php7.4-fpm"
 
 php_fpm_binary_per_release:
-  buster: "php-fpm7.3"
   bullseye: "php-fpm7.4"
 
 php_fpm_pool_directory_per_release:
-  buster: "/etc/php/7.3/fpm/pool.d"
   bullseye: "/etc/php/7.4/fpm/pool.d"
 
 admin: "admin-{{ fqdn | replace('.', '_') }}"