diff --git a/internal/services/kusto/kusto_cluster_resource.go b/internal/services/kusto/kusto_cluster_resource.go
index 633a0a7c554d..0191ad98078a 100644
--- a/internal/services/kusto/kusto_cluster_resource.go
+++ b/internal/services/kusto/kusto_cluster_resource.go
@@ -324,11 +324,11 @@ func resourceKustoClusterCreate(d *pluginsdk.ResourceData, meta interface{}) err
 	}
 
 	if v, ok := d.GetOk("allowed_fqdns"); ok {
-		clusterProperties.AllowedFqdnList, _ = expandKustoListString(v.([]interface{}))
+		clusterProperties.AllowedFqdnList = expandKustoListString(v.([]interface{}))
 	}
 
 	if v, ok := d.GetOk("allowed_ip_ranges"); ok {
-		clusterProperties.AllowedIPRangeList, _ = expandKustoListString(v.([]interface{}))
+		clusterProperties.AllowedIPRangeList = expandKustoListString(v.([]interface{}))
 	}
 
 	restrictOutboundNetworkAccess := clusters.ClusterNetworkAccessFlagDisabled
@@ -441,17 +441,11 @@ func resourceKustoClusterUpdate(d *pluginsdk.ResourceData, meta interface{}) err
 	}
 
 	if d.HasChange("allowed_fqdns") {
-		props.AllowedFqdnList, err = expandKustoListString(d.Get("allowed_fqdns").([]interface{}))
-		if err != nil {
-			return err
-		}
+		props.AllowedFqdnList = expandKustoListString(d.Get("allowed_fqdns").([]interface{}))
 	}
 
 	if d.HasChange("allowed_ip_ranges") {
-		props.AllowedIPRangeList, err = expandKustoListString(d.Get("allowed_ip_ranges").([]interface{}))
-		if err != nil {
-			return err
-		}
+		props.AllowedIPRangeList = expandKustoListString(d.Get("allowed_ip_ranges").([]interface{}))
 	}
 
 	if d.HasChange("auto_stop_enabled") {
@@ -661,18 +655,14 @@ func flattenOptimizedAutoScale(optimizedAutoScale *clusters.OptimizedAutoscale)
 	}
 }
 
-func expandKustoListString(input []interface{}) (*[]string, error) {
-	if len(input) == 0 {
-		return nil, fmt.Errorf("list of string is empty")
-	}
-
+func expandKustoListString(input []interface{}) *[]string {
 	result := make([]string, 0)
 
 	for _, v := range input {
 		result = append(result, v.(string))
 	}
 
-	return &result, nil
+	return &result
 }
 
 func expandKustoClusterSku(input []interface{}) (*clusters.AzureSku, error) {