diff --git a/openstack/identity/v2/extensions/admin/roles/requests.go b/openstack/identity/v2/extensions/admin/roles/requests.go
index 619bf3b..9a33314 100644
--- a/openstack/identity/v2/extensions/admin/roles/requests.go
+++ b/openstack/identity/v2/extensions/admin/roles/requests.go
@@ -19,7 +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{})
+	_, result.Err = client.Put(userRoleURL(client, tenantID, userID, roleID), nil, nil, nil)
 	return result
 }
 
@@ -28,6 +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{})
+	_, result.Err = client.Delete(userRoleURL(client, tenantID, userID, roleID), nil)
 	return result
 }
diff --git a/openstack/identity/v2/tokens/requests.go b/openstack/identity/v2/tokens/requests.go
index db1ac82..efa054f 100644
--- a/openstack/identity/v2/tokens/requests.go
+++ b/openstack/identity/v2/tokens/requests.go
@@ -75,10 +75,8 @@
 	}
 
 	var result CreateResult
-	_, result.Err = client.Request("POST", CreateURL(client), gophercloud.RequestOpts{
-		JSONBody:     &request,
-		JSONResponse: &result.Body,
-		OkCodes:      []int{200, 203},
+	_, result.Err = client.Post(CreateURL(client), request, &result.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 203},
 	})
 	return result
 }
diff --git a/openstack/identity/v2/users/requests.go b/openstack/identity/v2/users/requests.go
index 8aa1a20..88be45e 100644
--- a/openstack/identity/v2/users/requests.go
+++ b/openstack/identity/v2/users/requests.go
@@ -90,10 +90,8 @@
 		return res
 	}
 
-	_, res.Err = client.Request("POST", rootURL(client), gophercloud.RequestOpts{
-		JSONResponse: &res.Body,
-		JSONBody:     reqBody,
-		OkCodes:      []int{200, 201},
+	_, res.Err = client.Post(rootURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201},
 	})
 
 	return res
@@ -102,11 +100,7 @@
 // Get requests details on a single user, either by ID.
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
 	var result GetResult
-
-	_, result.Err = client.Request("GET", ResourceURL(client, id), gophercloud.RequestOpts{
-		JSONResponse: &result.Body,
-	})
-
+	_, result.Err = client.Get(ResourceURL(client, id), &result.Body, nil)
 	return result
 }
 
@@ -144,22 +138,17 @@
 // Update is the operation responsible for updating exist users by their UUID.
 func Update(client *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) UpdateResult {
 	var result UpdateResult
-
-	_, result.Err = client.Request("PUT", ResourceURL(client, id), gophercloud.RequestOpts{
-		JSONResponse: &result.Body,
-		JSONBody:     opts.ToUserUpdateMap(),
-		OkCodes:      []int{200},
+	reqBody := opts.ToUserUpdateMap()
+	_, result.Err = client.Put(ResourceURL(client, id), reqBody, &result.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200},
 	})
-
 	return result
 }
 
 // Delete is the operation responsible for permanently deleting an API user.
 func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
 	var result DeleteResult
-
-	_, result.Err = client.Request("DELETE", ResourceURL(client, id), gophercloud.RequestOpts{})
-
+	_, result.Err = client.Delete(ResourceURL(client, id), nil)
 	return result
 }