diff --git a/terraform/environments/corporate-staff-rostering/locals.tf b/terraform/environments/corporate-staff-rostering/locals.tf
index 7f3e138a694..f377238bc77 100644
--- a/terraform/environments/corporate-staff-rostering/locals.tf
+++ b/terraform/environments/corporate-staff-rostering/locals.tf
@@ -19,7 +19,7 @@ locals {
     enable_ec2_self_provision                    = true
     enable_ec2_oracle_enterprise_managed_server  = true
     enable_ec2_user_keypair                      = true
-    cloudwatch_metric_alarms                     = {}
+    cloudwatch_metric_alarms_default_actions     = ["csr_alarms"]
     route53_resolver_rules = {
       # outbound-data-and-private-subnets = ["azure-fixngo-domain"]  # already set by nomis account
     }
@@ -27,9 +27,8 @@ locals {
     iam_policies_ec2_default = ["EC2S3BucketWriteAndDeleteAccessPolicy", "ImageBuilderS3BucketWriteAndDeleteAccessPolicy"]
     s3_iam_policies          = ["EC2S3BucketWriteAndDeleteAccessPolicy"]
     sns_topics = {
-      # TODO: change this when we have a new csr integration for pagerduty
-      pagerduty_integrations = { 
-        csr_pagerduty = "csr_alarms"
+      pagerduty_integrations = {
+        csr_alarms = "csr_alarms"
       }
     }
   }
@@ -86,4 +85,5 @@ locals {
   baseline_ssm_parameters = {}
 
   baseline_sns_topics = {}
+
 }
diff --git a/terraform/environments/corporate-staff-rostering/locals_app.tf b/terraform/environments/corporate-staff-rostering/locals_app.tf
index 24d78801fbb..1552864857b 100644
--- a/terraform/environments/corporate-staff-rostering/locals_app.tf
+++ b/terraform/environments/corporate-staff-rostering/locals_app.tf
@@ -1,8 +1,8 @@
 locals {
 
-    app_ec2_cloudwatch_metric_alarms = merge(
+  app_ec2_cloudwatch_metric_alarms = merge(
     module.baseline_presets.cloudwatch_metric_alarms.ec2,
     module.baseline_presets.cloudwatch_metric_alarms.ec2_cwagent_windows
-    )
+  )
 
 }
\ No newline at end of file
diff --git a/terraform/environments/corporate-staff-rostering/locals_web.tf b/terraform/environments/corporate-staff-rostering/locals_web.tf
index 6e041ebc23f..835f2e07e94 100644
--- a/terraform/environments/corporate-staff-rostering/locals_web.tf
+++ b/terraform/environments/corporate-staff-rostering/locals_web.tf
@@ -1,8 +1,8 @@
 locals {
 
-    web_ec2_cloudwatch_metric_alarms = merge(
+  web_ec2_cloudwatch_metric_alarms = merge(
     module.baseline_presets.cloudwatch_metric_alarms.ec2,
     module.baseline_presets.cloudwatch_metric_alarms.ec2_cwagent_windows
-    )
+  )
 
 }
\ No newline at end of file
diff --git a/terraform/environments/corporate-staff-rostering/monitoring.tf b/terraform/environments/corporate-staff-rostering/monitoring.tf
deleted file mode 100644
index 0ac15e2b1f8..00000000000
--- a/terraform/environments/corporate-staff-rostering/monitoring.tf
+++ /dev/null
@@ -1,26 +0,0 @@
-# Pager duty integration
-
-# Get the map of pagerduty integration keys from the modernisation platform account
-data "aws_secretsmanager_secret" "pagerduty_integration_keys" {
-  provider = aws.modernisation-platform
-  name     = "pagerduty_integration_keys"
-}
-data "aws_secretsmanager_secret_version" "pagerduty_integration_keys" {
-  provider  = aws.modernisation-platform
-  secret_id = data.aws_secretsmanager_secret.pagerduty_integration_keys.id
-}
-
-# Add a local to get the keys
-locals {
-  pagerduty_integration_keys = jsondecode(data.aws_secretsmanager_secret_version.pagerduty_integration_keys.secret_string)
-}
-
-# link the sns topic to the service
-module "pagerduty_core_alerts" {
-  depends_on = [
-    aws_sns_topic.csr_alarms,
-  ]
-  source                    = "github.com/ministryofjustice/modernisation-platform-terraform-pagerduty-integration?ref=v2.0.0"
-  sns_topics                = [aws_sns_topic.csr_alarms.name]
-  pagerduty_integration_key = local.pagerduty_integration_keys["csr_alarms"]
-}
\ No newline at end of file