diff --git a/src/common/prod/README.md b/src/common/prod/README.md
index 1dcb08138..75a0477d6 100644
--- a/src/common/prod/README.md
+++ b/src/common/prod/README.md
@@ -56,7 +56,6 @@
 | [azurerm_linux_web_app.firmaconio_selfcare_web_app](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/linux_web_app) | data source |
 | [azurerm_subnet.admin_snet](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subnet) | data source |
 | [azurerm_subnet.cosmos_api_allowed](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subnet) | data source |
-| [azurerm_subnet.itn_auth_fast_login_func_snet](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subnet) | data source |
 | [azurerm_subnet.itn_auth_lv_func_snet](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subnet) | data source |
 | [azurerm_subnet.itn_msgs_sending_func_snet](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subnet) | data source |
 | [azurerm_subnet.services_snet](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/data-sources/subnet) | data source |
diff --git a/src/common/prod/data.tf b/src/common/prod/data.tf
index 65f23b38a..b446de182 100644
--- a/src/common/prod/data.tf
+++ b/src/common/prod/data.tf
@@ -98,12 +98,6 @@ data "azurerm_subnet" "admin_snet" {
   virtual_network_name = local.core.networking.weu.vnet_common.name
 }
 
-data "azurerm_subnet" "itn_auth_fast_login_func_snet" {
-  name                 = "${local.project_itn}-citizen-auth-fast-login-snet-01"
-  resource_group_name  = local.core.networking.itn.vnet_common.resource_group_name
-  virtual_network_name = local.core.networking.itn.vnet_common.name
-}
-
 data "azurerm_subnet" "itn_auth_lv_func_snet" {
   name                 = "${local.project_itn}-auth-lv-func-snet-02"
   resource_group_name  = local.core.networking.itn.vnet_common.resource_group_name
diff --git a/src/common/prod/westeurope.tf b/src/common/prod/westeurope.tf
index 02d250329..e014aaee1 100644
--- a/src/common/prod/westeurope.tf
+++ b/src/common/prod/westeurope.tf
@@ -492,7 +492,6 @@ module "app_backend_li_weu" {
   allowed_subnets = concat(data.azurerm_subnet.services_snet.*.id,
     [
       data.azurerm_subnet.admin_snet.id,
-      data.azurerm_subnet.itn_auth_fast_login_func_snet.id,
       data.azurerm_subnet.itn_auth_lv_func_snet.id,
       data.azurerm_subnet.itn_msgs_sending_func_snet.id
   ])