diff --git a/internal/services/loganalytics/log_analytics_cluster_resource.go b/internal/services/loganalytics/log_analytics_cluster_resource.go
index ed189fb3a766..9908313d293c 100644
--- a/internal/services/loganalytics/log_analytics_cluster_resource.go
+++ b/internal/services/loganalytics/log_analytics_cluster_resource.go
@@ -16,7 +16,6 @@ import (
 	"github.com/hashicorp/go-azure-sdk/resource-manager/operationalinsights/2022-10-01/clusters"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 	"github.com/hashicorp/terraform-provider-azurerm/helpers/tf"
-	"github.com/hashicorp/terraform-provider-azurerm/internal/features"
 	"github.com/hashicorp/terraform-provider-azurerm/internal/locks"
 	"github.com/hashicorp/terraform-provider-azurerm/internal/sdk"
 	"github.com/hashicorp/terraform-provider-azurerm/internal/services/loganalytics/validate"
@@ -55,14 +54,9 @@ func (l LogAnalyticsClusterResource) Arguments() map[string]*schema.Schema {
 		"identity": commonschema.SystemOrUserAssignedIdentityRequiredForceNew(),
 
 		"size_gb": {
-			Type:     pluginsdk.TypeInt,
-			Optional: true,
-			Default: func() int {
-				if !features.FourPointOh() {
-					return 1000
-				}
-				return 100
-			}(),
+			Type:         pluginsdk.TypeInt,
+			Optional:     true,
+			Default:      100,
 			ValidateFunc: validation.IntInSlice([]int{100, 200, 300, 400, 500, 1000, 2000, 5000, 10000, 25000, 50000}),
 		},
 
diff --git a/website/docs/r/log_analytics_cluster.html.markdown b/website/docs/r/log_analytics_cluster.html.markdown
index 3c41bebacc10..38ec4794e145 100644
--- a/website/docs/r/log_analytics_cluster.html.markdown
+++ b/website/docs/r/log_analytics_cluster.html.markdown
@@ -49,7 +49,7 @@ The following arguments are supported:
 
 * `size_gb` - (Optional) The capacity of the Log Analytics Cluster is specified in GB/day. Possible values include `100`, `200`, `300`, `400`, `500`, `1000`, `2000`, `5000`, `10000`, `25000`, or `50000`. Defaults to `100`.
 
-~> **NOTE:** The cluster capacity must start at 100 GB and can be set to 500, 1000, 2000 or 5000 GB/day. For more information on cluster costs, see [Dedicated clusters](https://docs.microsoft.com/en-us/azure/azure-monitor/logs/cost-logs#dedicated-clusters). In v3.x the default value is `1000` GB, in v4.0 of the provider this will default to `100` GB.
+~> **NOTE:** The cluster capacity must start at 100 GB and can be set to 500, 1000, 2000 or 5000 GB/day. For more information on cluster costs, see [Dedicated clusters](https://docs.microsoft.com/en-us/azure/azure-monitor/logs/cost-logs#dedicated-clusters).
 
 * `tags` - (Optional) A mapping of tags which should be assigned to the Log Analytics Cluster.