diff --git a/CHANGES.md b/CHANGES.md
index a7712928..24967ac1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -26,6 +26,7 @@ Notable changes between versions.
 * Allow setting custom initial node taints on worker pools ([#968](https://github.com/poseidon/typhoon/pull/968))
   * Add `node_taints` variable to internal `workers` pool module to set initial node taints
   * Add `daemonset_tolerations` so `kube-system` DaemonSets can tolerate custom taints
+* Remove deprecated `azurerm_lb_backend_address_pool` field `resource_group_name` ([#972](https://github.com/poseidon/typhoon/pull/972))
 
 ### Google Cloud
 
diff --git a/azure/fedora-coreos/kubernetes/lb.tf b/azure/fedora-coreos/kubernetes/lb.tf
index ef924759..c0d497e8 100644
--- a/azure/fedora-coreos/kubernetes/lb.tf
+++ b/azure/fedora-coreos/kubernetes/lb.tf
@@ -112,16 +112,12 @@ resource "azurerm_lb_outbound_rule" "worker-outbound" {
 
 # Address pool of controllers
 resource "azurerm_lb_backend_address_pool" "controller" {
-  resource_group_name = azurerm_resource_group.cluster.name
-
   name            = "controller"
   loadbalancer_id = azurerm_lb.cluster.id
 }
 
 # Address pool of workers
 resource "azurerm_lb_backend_address_pool" "worker" {
-  resource_group_name = azurerm_resource_group.cluster.name
-
   name            = "worker"
   loadbalancer_id = azurerm_lb.cluster.id
 }
diff --git a/azure/flatcar-linux/kubernetes/lb.tf b/azure/flatcar-linux/kubernetes/lb.tf
index ef924759..c0d497e8 100644
--- a/azure/flatcar-linux/kubernetes/lb.tf
+++ b/azure/flatcar-linux/kubernetes/lb.tf
@@ -112,16 +112,12 @@ resource "azurerm_lb_outbound_rule" "worker-outbound" {
 
 # Address pool of controllers
 resource "azurerm_lb_backend_address_pool" "controller" {
-  resource_group_name = azurerm_resource_group.cluster.name
-
   name            = "controller"
   loadbalancer_id = azurerm_lb.cluster.id
 }
 
 # Address pool of workers
 resource "azurerm_lb_backend_address_pool" "worker" {
-  resource_group_name = azurerm_resource_group.cluster.name
-
   name            = "worker"
   loadbalancer_id = azurerm_lb.cluster.id
 }