diff --git a/openstack/identity/v2/extensions/admin/roles/requests.go b/openstack/identity/v2/extensions/admin/roles/requests.go
index bbdf76a..619bf3b 100644
--- a/openstack/identity/v2/extensions/admin/roles/requests.go
+++ b/openstack/identity/v2/extensions/admin/roles/requests.go
@@ -19,11 +19,7 @@
 // ID is a required argument.
 func AddUserRole(client *gophercloud.ServiceClient, tenantID, userID, roleID string) UserRoleResult {
 	var result UserRoleResult
-
-	_, result.Err = client.Request("PUT", userRoleURL(client, tenantID, userID, roleID), gophercloud.RequestOpts{
-		OkCodes: []int{200, 201},
-	})
-
+	_, result.Err = client.Request("PUT", userRoleURL(client, tenantID, userID, roleID), gophercloud.RequestOpts{})
 	return result
 }
 
@@ -32,10 +28,6 @@
 // tenant ID is a required argument.
 func DeleteUserRole(client *gophercloud.ServiceClient, tenantID, userID, roleID string) UserRoleResult {
 	var result UserRoleResult
-
-	_, result.Err = client.Request("DELETE", userRoleURL(client, tenantID, userID, roleID), gophercloud.RequestOpts{
-		OkCodes: []int{204},
-	})
-
+	_, result.Err = client.Request("DELETE", userRoleURL(client, tenantID, userID, roleID), gophercloud.RequestOpts{})
 	return result
 }
diff --git a/openstack/identity/v2/users/requests.go b/openstack/identity/v2/users/requests.go
index 2afe62a..8aa1a20 100644
--- a/openstack/identity/v2/users/requests.go
+++ b/openstack/identity/v2/users/requests.go
@@ -105,7 +105,6 @@
 
 	_, result.Err = client.Request("GET", ResourceURL(client, id), gophercloud.RequestOpts{
 		JSONResponse: &result.Body,
-		OkCodes:      []int{200},
 	})
 
 	return result
@@ -159,9 +158,7 @@
 func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
 	var result DeleteResult
 
-	_, result.Err = client.Request("DELETE", ResourceURL(client, id), gophercloud.RequestOpts{
-		OkCodes: []int{204},
-	})
+	_, result.Err = client.Request("DELETE", ResourceURL(client, id), gophercloud.RequestOpts{})
 
 	return result
 }
diff --git a/openstack/identity/v3/endpoints/requests.go b/openstack/identity/v3/endpoints/requests.go
index 3e09b2a..7591de0 100644
--- a/openstack/identity/v3/endpoints/requests.go
+++ b/openstack/identity/v3/endpoints/requests.go
@@ -122,8 +122,6 @@
 // Delete removes an endpoint from the service catalog.
 func Delete(client *gophercloud.ServiceClient, endpointID string) DeleteResult {
 	var res DeleteResult
-	_, res.Err = client.Request("DELETE", endpointURL(client, endpointID), gophercloud.RequestOpts{
-		OkCodes: []int{204},
-	})
+	_, res.Err = client.Request("DELETE", endpointURL(client, endpointID), gophercloud.RequestOpts{})
 	return res
 }
diff --git a/openstack/identity/v3/services/requests.go b/openstack/identity/v3/services/requests.go
index c6820c7..a93cfe7 100644
--- a/openstack/identity/v3/services/requests.go
+++ b/openstack/identity/v3/services/requests.go
@@ -21,7 +21,6 @@
 	_, result.Err = client.Request("POST", listURL(client), gophercloud.RequestOpts{
 		JSONBody:     &req,
 		JSONResponse: &result.Body,
-		OkCodes:      []int{201},
 	})
 	return result
 }
@@ -53,7 +52,6 @@
 	var result GetResult
 	_, result.Err = client.Request("GET", serviceURL(client, serviceID), gophercloud.RequestOpts{
 		JSONResponse: &result.Body,
-		OkCodes:      []int{200},
 	})
 	return result
 }
@@ -79,8 +77,6 @@
 // It either deletes all associated endpoints, or fails until all endpoints are deleted.
 func Delete(client *gophercloud.ServiceClient, serviceID string) DeleteResult {
 	var res DeleteResult
-	_, res.Err = client.Request("DELETE", serviceURL(client, serviceID), gophercloud.RequestOpts{
-		OkCodes: []int{204},
-	})
+	_, res.Err = client.Request("DELETE", serviceURL(client, serviceID), gophercloud.RequestOpts{})
 	return res
 }
diff --git a/openstack/identity/v3/tokens/requests.go b/openstack/identity/v3/tokens/requests.go
index bbd3c56..ecbe10e 100644
--- a/openstack/identity/v3/tokens/requests.go
+++ b/openstack/identity/v3/tokens/requests.go
@@ -238,7 +238,6 @@
 	response, result.Err = c.Request("POST", tokenURL(c), gophercloud.RequestOpts{
 		JSONBody:     &req,
 		JSONResponse: &result.Body,
-		OkCodes:      []int{201},
 	})
 	if result.Err != nil {
 		return result
@@ -281,7 +280,6 @@
 	var res RevokeResult
 	_, res.Err = c.Request("DELETE", tokenURL(c), gophercloud.RequestOpts{
 		MoreHeaders: subjectTokenHeaders(c, token),
-		OkCodes:     []int{204},
 	})
 	return res
 }