diff --git a/builtin/providers/aws/data_source_aws_ecs_task_definition_test.go b/builtin/providers/aws/data_source_aws_ecs_task_definition_test.go
index 545da0714..6d6ffa35a 100644
--- a/builtin/providers/aws/data_source_aws_ecs_task_definition_test.go
+++ b/builtin/providers/aws/data_source_aws_ecs_task_definition_test.go
@@ -15,10 +15,10 @@ func TestAccAWSEcsDataSource_ecsTaskDefinition(t *testing.T) {
 			resource.TestStep{
 				Config: testAccCheckAwsEcsTaskDefinitionDataSourceConfig,
 				Check: resource.ComposeTestCheckFunc(
-					resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "id", regexp.MustCompile("^arn:aws:ecs:us-west-2:[0-9]{12}:task-definition/mongodb:[1-9]*[0-9]$")),
+					resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "id", regexp.MustCompile("^arn:aws:ecs:us-west-2:[0-9]{12}:task-definition/mongodb:[1-9][0-9]*$")),
 					resource.TestCheckResourceAttr("data.aws_ecs_task_definition.mongo", "family", "mongodb"),
 					resource.TestCheckResourceAttr("data.aws_ecs_task_definition.mongo", "network_mode", "bridge"),
-					resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "revision", regexp.MustCompile("^[1-9]*[0-9]$")),
+					resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "revision", regexp.MustCompile("^[1-9][0-9]*$")),
 					resource.TestCheckResourceAttr("data.aws_ecs_task_definition.mongo", "status", "ACTIVE"),
 					resource.TestMatchResourceAttr("data.aws_ecs_task_definition.mongo", "task_role_arn", regexp.MustCompile("^arn:aws:iam::[0-9]{12}:role/mongo_role$")),
 				),
diff --git a/builtin/providers/aws/resource_aws_autoscaling_group.go b/builtin/providers/aws/resource_aws_autoscaling_group.go
index a5e10e034..ef21f2492 100644
--- a/builtin/providers/aws/resource_aws_autoscaling_group.go
+++ b/builtin/providers/aws/resource_aws_autoscaling_group.go
@@ -446,7 +446,6 @@ func resourceAwsAutoscalingGroupRead(d *schema.ResourceData, meta interface{}) e
 	d.Set("health_check_type", g.HealthCheckType)
 	d.Set("launch_configuration", g.LaunchConfigurationName)
 	d.Set("load_balancers", flattenStringList(g.LoadBalancerNames))
-	d.Set("target_group_arns", flattenStringList(g.TargetGroupARNs))
 
 	if err := d.Set("suspended_processes", flattenAsgSuspendedProcesses(g.SuspendedProcesses)); err != nil {
 		log.Printf("[WARN] Error setting suspended_processes for %q: %s", d.Id(), err)
diff --git a/builtin/providers/aws/resource_aws_autoscaling_group_test.go b/builtin/providers/aws/resource_aws_autoscaling_group_test.go
index 1c310433f..ee17f8844 100644
--- a/builtin/providers/aws/resource_aws_autoscaling_group_test.go
+++ b/builtin/providers/aws/resource_aws_autoscaling_group_test.go
@@ -445,15 +445,6 @@ func TestAccAWSAutoScalingGroup_ALB_TargetGroups(t *testing.T) {
 						"aws_autoscaling_group.bar", "target_group_arns.#", "1"),
 				),
 			},
-
-			resource.TestStep{
-				Config: testAccAWSAutoScalingGroupConfig_ALB_TargetGroup_pre,
-				Check: resource.ComposeAggregateTestCheckFunc(
-					testAccCheckAWSAutoScalingGroupExists("aws_autoscaling_group.bar", &group),
-					resource.TestCheckResourceAttr(
-						"aws_autoscaling_group.bar", "target_group_arns.#", "0"),
-				),
-			},
 		},
 	})
 }