diff --git a/main.tf b/main.tf
index 5246b05..b6e7598 100644
--- a/main.tf
+++ b/main.tf
@@ -149,16 +149,6 @@ resource "azurerm_mssql_virtual_machine" "this" {
     }
   }
 
-  #   dynamic "key_vault_credential" {
-  #     for_each = var.enable_key_vault_credential ? [true] : []
-  #     content {
-  #       key_vault_url            = var.key_vault_credential_key_vault_url
-  #       name                     = var.key_vault_credential_name
-  #       service_principal_name   = var.key_vault_credential_service_principal_name
-  #       service_principal_secret = var.key_vault_credential_service_principal_secret
-  #     }
-  #   }
-
   dynamic "storage_configuration" {
     for_each = var.storage_configuration != null ? [true] : []
     content {
diff --git a/variables.tf b/variables.tf
index 934e03e..195b517 100644
--- a/variables.tf
+++ b/variables.tf
@@ -103,11 +103,6 @@ variable "backup_policy_id" {
   description = "The ID of the backup policy to use."
   type        = string
   default     = null
-
-  #   validation {
-  #     condition     = (var.enable_backup_protected_vm && var.backup_policy_id != null) || !var.enable_backup_protected_vm
-  #     error_message = "A backup policy ID is required when backup_protected_vm.enabled is true."
-  #   }
 }
 
 variable "bypass_platform_safety_checks_on_user_schedule_enabled" {
@@ -133,11 +128,6 @@ variable "computer_name" {
     condition     = var.computer_name != null ? length(var.computer_name) <= 15 : true
     error_message = "Windows computer name can be at most 15 characters."
   }
-
-  #   validation {
-  #     condition     = var.computer_name == null ? length(var.name) <= 15 : true
-  #     error_message = "Windows computer name can be at most 15 characters. Variable \"computer_name\" is not set, falling back to \"name\" which is ${length(var.name)} chatacters long. Set \"computer_name\" explicitly."
-  #   }
 }
 
 variable "create_public_ip_address" {
@@ -286,15 +276,6 @@ variable "key_vault_id" {
   description = "Key Vault ID to store the generated admin password. Required when admin_password is not set."
   default     = null
   type        = string
-
-  # validation {
-  #   condition = var.key_vault_id == null ? (
-  #     (var.authentication_type == "Password" && var.admin_password != null) || (var.authentication_type == "SSH" && var.admin_ssh_public_key != null)
-  #     ) : (
-  #     (var.authentication_type == "Password" && var.admin_password == null) || (var.authentication_type == "SSH" && var.admin_ssh_public_key == null)
-  #   )
-  #   error_message = "Invalid combination of key_vault_id, admin_password, and admin_ssh_public_key. If key_vault_id is null, admin_password or admin_ssh_public_key must be non-null. If key_vault_id is not null, admin_password and admin_ssh_public_key must be null."
-  # }
 }
 
 variable "location" {