diff --git a/aws/resource_aws_iam_role.go b/aws/resource_aws_iam_role.go
index d19cd23568d..5d6ed0d5ac8 100644
--- a/aws/resource_aws_iam_role.go
+++ b/aws/resource_aws_iam_role.go
@@ -63,16 +63,17 @@ func resourceAwsIamRole() *schema.Resource {
 			},
 
 			"path": {
-				Type:     schema.TypeString,
-				Optional: true,
-				Default:  "/",
-				ForceNew: true,
+				Type:         schema.TypeString,
+				Optional:     true,
+				Default:      "/",
+				ForceNew:     true,
+				ValidateFunc: validation.StringLenBetween(1, 512),
 			},
 
 			"permissions_boundary": {
 				Type:         schema.TypeString,
 				Optional:     true,
-				ValidateFunc: validation.StringLenBetween(0, 2048),
+				ValidateFunc: validateArn,
 			},
 
 			"description": {
@@ -141,8 +142,10 @@ func resourceAwsIamRole() *schema.Resource {
 				Type:     schema.TypeSet,
 				Optional: true,
 				Computed: true,
-				Elem:     &schema.Schema{Type: schema.TypeString},
-				Set:      schema.HashString,
+				Elem: &schema.Schema{
+					Type:         schema.TypeString,
+					ValidateFunc: validateArn,
+				},
 			},
 		},
 
diff --git a/aws/resource_aws_iam_role_policy_attachment_test.go b/aws/resource_aws_iam_role_policy_attachment_test.go
index 47e543836c7..2e8fa22aedd 100644
--- a/aws/resource_aws_iam_role_policy_attachment_test.go
+++ b/aws/resource_aws_iam_role_policy_attachment_test.go
@@ -109,7 +109,7 @@ func TestAccAWSRolePolicyAttachment_disappears_Role(t *testing.T) {
 					testAccCheckAWSRolePolicyAttachmentExists(resourceName, 1, &attachedRolePolicies),
 					// DeleteConflict: Cannot delete entity, must detach all policies first.
 					testAccCheckAWSIAMRolePolicyAttachmentDisappears(resourceName),
-					testAccCheckAWSRoleDisappears(&role),
+					testAccCheckResourceDisappears(testAccProvider, resourceAwsIamRole(), iamRoleResourceName),
 				),
 				ExpectNonEmptyPlan: true,
 			},
diff --git a/aws/resource_aws_iam_role_test.go b/aws/resource_aws_iam_role_test.go
index f96d23e048d..6208bfb2938 100644
--- a/aws/resource_aws_iam_role_test.go
+++ b/aws/resource_aws_iam_role_test.go
@@ -319,7 +319,7 @@ func TestAccAWSIAMRole_disappears(t *testing.T) {
 				Config: testAccAWSIAMRoleConfig(rName),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSRoleExists(resourceName, &role),
-					testAccCheckAWSRoleDisappears(&role),
+					testAccCheckResourceDisappears(testAccProvider, resourceAwsIamRole(), resourceName),
 				),
 				ExpectNonEmptyPlan: true,
 			},
@@ -953,23 +953,6 @@ func testAccCheckAWSRoleExists(n string, res *iam.GetRoleOutput) resource.TestCh
 	}
 }
 
-func testAccCheckAWSRoleDisappears(getRoleOutput *iam.GetRoleOutput) resource.TestCheckFunc {
-	return func(s *terraform.State) error {
-		iamconn := testAccProvider.Meta().(*AWSClient).iamconn
-
-		roleName := aws.StringValue(getRoleOutput.Role.RoleName)
-
-		_, err := iamconn.DeleteRole(&iam.DeleteRoleInput{
-			RoleName: aws.String(roleName),
-		})
-		if err != nil {
-			return fmt.Errorf("error deleting role %q: %s", roleName, err)
-		}
-
-		return nil
-	}
-}
-
 func testAccCheckAWSRoleGeneratedNamePrefix(resource, prefix string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		r, ok := s.RootModule().Resources[resource]