diff --git a/backend_modules/null/base/main.tf b/backend_modules/null/base/main.tf
index 9ff3bdfec..5583093cb 100644
--- a/backend_modules/null/base/main.tf
+++ b/backend_modules/null/base/main.tf
@@ -16,8 +16,6 @@ resource "null_resource" "base" {
     testsuite            = var.testsuite
     provider_settings    = yamlencode(var.provider_settings)
     images               = yamlencode(var.images)
-    server_registration_code = var.server_registration_code
-    proxy_registration_code = var.proxy_registration_code
   }
 }
 
@@ -35,7 +33,5 @@ output "configuration" {
     name_prefix          = var.name_prefix
     use_shared_resources = var.use_shared_resources
     testsuite            = var.testsuite
-    server_registration_code = var.server_registration_code
-    proxy_registration_code = var.proxy_registration_code
   }
 }
diff --git a/backend_modules/null/base/variables.tf b/backend_modules/null/base/variables.tf
index 19b6c9413..b085cfbb8 100644
--- a/backend_modules/null/base/variables.tf
+++ b/backend_modules/null/base/variables.tf
@@ -76,13 +76,3 @@ variable "use_eip_bastion" {
   default     = true
   type        = bool
 }
-
-variable "server_registration_code" {
-  description = "SUMA SCC registration code to enable the SLES server"
-  default = null
-}
-
-variable "proxy_registration_code" {
-  description = "SUMA SCC registration code to enable the SLES and SUMA repositories for proxy"
-  default = null
-}