diff --git a/google/resource_compute_firewall.go b/google/resource_compute_firewall.go
index cbb40fe0..a3fe6cce 100644
--- a/google/resource_compute_firewall.go
+++ b/google/resource_compute_firewall.go
@@ -137,7 +137,6 @@ func resourceComputeFirewall() *schema.Resource {
 			"source_service_accounts": {
 				Type:     schema.TypeSet,
 				Optional: true,
-				MaxItems: 1,
 				Elem: &schema.Schema{
 					Type: schema.TypeString,
 				},
@@ -156,7 +155,6 @@ func resourceComputeFirewall() *schema.Resource {
 			"target_service_accounts": {
 				Type:     schema.TypeSet,
 				Optional: true,
-				MaxItems: 1,
 				Elem: &schema.Schema{
 					Type: schema.TypeString,
 				},