Warning: redundant ignore_changes element (maintenance_schedule)

[gservat]

TL;DR

I keep seeing this warning:

│ Warning: Redundant ignore_changes element
│ 
│   on .terraform/modules/pcloud.redis/main.tf line 17, in resource "google_redis_instance" "default":
│   17: resource "google_redis_instance" "default" {
│ 
│ Adding an attribute name to ignore_changes tells Terraform to ignore future
│ changes to the argument in configuration after the object has been created,
│ retaining the value originally configured.
│ 
│ The attribute maintenance_schedule is decided by the provider alone and
│ therefore there can be no configured value to compare with. Including this
│ attribute in ignore_changes has no effect. Remove the attribute from
│ ignore_changes to quiet this warning.

Seems like the ignore_changes lifecycle change was added in #152, however soon after there was a provider change that marked maintenance_schedule as output only (hashicorp/terraform-provider-google#15063).

So can we remove the ignore_changes setting now?

Expected behavior

No warning shown.

Observed behavior

Warning about the redundant ignore_changes element shown.

Terraform Configuration

module "redis" {
  source  = "terraform-google-modules/memorystore/google"
  version = "7.1.2"

  name           = "redis"
  tier           = var.memorystore_tier
  memory_size_gb = var.memorystore_memory_size_gb

  project = var.gcp_project_id
  region  = var.gcp_region

  authorized_network = var.memorystore_authorized_network

  redis_version = var.memorystore_redis_version
  redis_configs = var.memorystore_redis_configs
}

Terraform Version

1.5.7

Additional information

No response

[aprettyloner]

Also getting this on Terraform v1.5.5

module "redis_instance" {
  source  = "terraform-google-modules/memorystore/google"
  version = "7.1.3" # https://github.com/terraform-google-modules/terraform-google-memorystore/releases

  auth_enabled            = var.auth_enabled
  authorized_network      = var.authorized_network_id
  connect_mode            = var.connect_mode
  display_name            = var.display_name
  enable_apis             = var.enable_apis
  labels                  = var.labels
  location_id             = var.location_id
  maintenance_policy      = var.maintenance_policy
  memory_size_gb          = var.memory_size_gb
  name                    = var.name
  persistence_config      = var.persistence_config
  project                 = var.project
  read_replicas_mode      = var.read_replicas_mode
  redis_configs           = var.redis_configs
  redis_version           = var.redis_version
  region                  = var.region
  replica_count           = var.replica_count
  tier                    = var.tier
  transit_encryption_mode = var.transit_encryption_mode
}

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