diff --git a/infrastructure/terraform/modules/lambda/README.md b/infrastructure/terraform/modules/lambda/README.md
index d84520a..778274e 100644
--- a/infrastructure/terraform/modules/lambda/README.md
+++ b/infrastructure/terraform/modules/lambda/README.md
@@ -40,7 +40,7 @@ output "processor_lambda_error_rate_alarm_arn" {
 | <a name="input_enable_dlq_messages_alarm"></a> [enable\_dlq\_messages\_alarm](#input\_enable\_dlq\_messages\_alarm) | Create a CloudWatch alarm when visible messages are present in the Lambda DLQ | `bool` | `true` | no |
 | <a name="input_enable_duration_alarm"></a> [enable\_duration\_alarm](#input\_enable\_duration\_alarm) | Create a CloudWatch alarm when Lambda duration percentile exceeds the configured threshold | `bool` | `true` | no |
 | <a name="input_enable_error_rate_alarm"></a> [enable\_error\_rate\_alarm](#input\_enable\_error\_rate\_alarm) | Create a CloudWatch alarm when Lambda error rate exceeds the configured percentage threshold | `bool` | `true` | no |
-| <a name="input_enable_lambda_insights"></a> [enable\_lambda\_insights](#input\_enable\_lambda\_insights) | Enable the lambda insights layer, this must be disabled for lambda@edge usage | `bool` | `true` | no |
+| <a name="input_enable_lambda_insights"></a> [enable\_lambda\_insights](#input\_enable\_lambda\_insights) | Enable the lambda insights layer, this must be disabled for lambda@edge usage | `bool` | `false` | no |
 | <a name="input_enable_throttles_alarm"></a> [enable\_throttles\_alarm](#input\_enable\_throttles\_alarm) | Create a CloudWatch alarm when Lambda throttles exceed the configured threshold | `bool` | `true` | no |
 | <a name="input_enable_xray_tracing"></a> [enable\_xray\_tracing](#input\_enable\_xray\_tracing) | Enable AWS X-Ray active tracing for the Lambda function. | `bool` | `false` | no |
 | <a name="input_environment"></a> [environment](#input\_environment) | The name of the tfscaffold environment | `string` | n/a | yes |
diff --git a/infrastructure/terraform/modules/lambda/lambda_function.tf b/infrastructure/terraform/modules/lambda/lambda_function.tf
index 9ec91d6..c480932 100644
--- a/infrastructure/terraform/modules/lambda/lambda_function.tf
+++ b/infrastructure/terraform/modules/lambda/lambda_function.tf
@@ -36,9 +36,7 @@ resource "aws_lambda_function" "main" {
 
   layers = local.package_type == "zip" ? compact(concat(
     var.layers,
-    [
-      var.enable_lambda_insights && var.lambda_at_edge == false ? "arn:aws:lambda:${var.region}:580247275435:layer:LambdaInsightsExtension:53" : null
-    ]
+    [local.lambda_insights_layer_arn]
   )) : []
 
   environment {
diff --git a/infrastructure/terraform/modules/lambda/locals.tf b/infrastructure/terraform/modules/lambda/locals.tf
index bd112a0..73a5d55 100644
--- a/infrastructure/terraform/modules/lambda/locals.tf
+++ b/infrastructure/terraform/modules/lambda/locals.tf
@@ -3,6 +3,10 @@ locals {
 
   package_type = lower(var.package_type)
 
+  lambda_insights_layer_arn = var.enable_lambda_insights && !var.lambda_at_edge ? (
+    var.architecture == "arm64" ? "arn:aws:lambda:${var.region}:580247275435:layer:LambdaInsightsExtension-Arm64:20" : "arn:aws:lambda:${var.region}:580247275435:layer:LambdaInsightsExtension:53"
+  ) : null
+
   # Compound Scope Identifier
   csi = replace(
     format(
diff --git a/infrastructure/terraform/modules/lambda/variables.tf b/infrastructure/terraform/modules/lambda/variables.tf
index 89fad35..5687992 100644
--- a/infrastructure/terraform/modules/lambda/variables.tf
+++ b/infrastructure/terraform/modules/lambda/variables.tf
@@ -288,7 +288,7 @@ variable "system_log_level" {
 variable "enable_lambda_insights" {
   type        = bool
   description = "Enable the lambda insights layer, this must be disabled for lambda@edge usage"
-  default     = true
+  default     = false
 }
 
 variable "enable_xray_tracing" {
diff --git a/scripts/config/vale/styles/config/vocabularies/words/accept.txt b/scripts/config/vale/styles/config/vocabularies/words/accept.txt
index 7ed3193..2cc7e52 100644
--- a/scripts/config/vale/styles/config/vocabularies/words/accept.txt
+++ b/scripts/config/vale/styles/config/vocabularies/words/accept.txt
@@ -1,7 +1,4 @@
 [Bb]undler
-[Pp]npm
-[Rr]epo
-[Tt]erraform
 Bitwarden
 bot
 Cognito
@@ -30,9 +27,11 @@ OAuth
 Octokit
 onboarding
 Podman
+[Pp]npm
 Python
 rawContent
 relative_url
+[Rr]epo
 sed
 simplifiable
 sublicense
@@ -40,3 +39,4 @@ Syft
 toolchain
 Trivy
 Trufflehog
+[Tt]erraform