diff --git a/openstack/identity/v2/extensions/admin/roles/requests.go b/openstack/identity/v2/extensions/admin/roles/requests.go
index d80c53f..ba19fd4 100644
--- a/openstack/identity/v2/extensions/admin/roles/requests.go
+++ b/openstack/identity/v2/extensions/admin/roles/requests.go
@@ -16,17 +16,13 @@
 // AddUser is the operation responsible for assigning a particular role to
 // a user. This is confined to the scope of the user's tenant - so the tenant
 // ID is a required argument.
-func AddUser(client *gophercloud.ServiceClient, tenantID, userID, roleID string) UserRoleResult {
-	var r UserRoleResult
+func AddUser(client *gophercloud.ServiceClient, tenantID, userID, roleID string) (r UserRoleResult) {
 	_, r.Err = client.Put(userRoleURL(client, tenantID, userID, roleID), nil, nil, nil)
-	return r
 }
 
 // DeleteUser is the operation responsible for deleting a particular role
 // from a user. This is confined to the scope of the user's tenant - so the
 // tenant ID is a required argument.
-func DeleteUser(client *gophercloud.ServiceClient, tenantID, userID, roleID string) UserRoleResult {
-	var r UserRoleResult
+func DeleteUser(client *gophercloud.ServiceClient, tenantID, userID, roleID string) (r UserRoleResult) {
 	_, r.Err = client.Delete(userRoleURL(client, tenantID, userID, roleID), nil)
-	return r
 }
diff --git a/openstack/identity/v2/users/requests.go b/openstack/identity/v2/users/requests.go
index f62f979..90f7c72 100644
--- a/openstack/identity/v2/users/requests.go
+++ b/openstack/identity/v2/users/requests.go
@@ -48,27 +48,20 @@
 }
 
 // Create is the operation responsible for creating new users.
-func Create(client *gophercloud.ServiceClient, opts CreateOptsBuilder) CreateResult {
-	var res CreateResult
-
-	reqBody, err := opts.ToUserCreateMap()
+func Create(client *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
+	b, err := opts.ToUserCreateMap()
 	if err != nil {
-		res.Err = err
-		return res
+		r.Err = err
+		return
 	}
-
-	_, res.Err = client.Post(rootURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+	_, r.Err = client.Post(rootURL(client), b, &r.Body, &gophercloud.RequestOpts{
 		OkCodes: []int{200, 201},
 	})
-
-	return res
 }
 
 // Get requests details on a single user, either by ID.
-func Get(client *gophercloud.ServiceClient, id string) GetResult {
-	var result GetResult
-	_, result.Err = client.Get(ResourceURL(client, id), &result.Body, nil)
-	return result
+func Get(client *gophercloud.ServiceClient, id string) (r GetResult) {
+	_, r.Err = client.Get(ResourceURL(client, id), &r.Body, nil)
 }
 
 // UpdateOptsBuilder allows extensions to add additional attributes to the Update request.
@@ -85,24 +78,20 @@
 }
 
 // Update is the operation responsible for updating exist users by their UUID.
-func Update(client *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) UpdateResult {
-	var r UpdateResult
+func Update(client *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) (r UpdateResult) {
 	b, err := opts.ToUserUpdateMap()
 	if err != nil {
 		r.Err = err
-		return r
+		return
 	}
 	_, r.Err = client.Put(ResourceURL(client, id), &b, &r.Body, &gophercloud.RequestOpts{
 		OkCodes: []int{200},
 	})
-	return r
 }
 
 // Delete is the operation responsible for permanently deleting an API user.
-func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
-	var r DeleteResult
+func Delete(client *gophercloud.ServiceClient, id string) (r DeleteResult) {
 	_, r.Err = client.Delete(ResourceURL(client, id), nil)
-	return r
 }
 
 // ListRoles lists the existing roles that can be assigned to users.
diff --git a/openstack/identity/v3/endpoints/requests.go b/openstack/identity/v3/endpoints/requests.go
index 7165fb4..30ceacf 100644
--- a/openstack/identity/v3/endpoints/requests.go
+++ b/openstack/identity/v3/endpoints/requests.go
@@ -24,15 +24,13 @@
 
 // Create inserts a new Endpoint into the service catalog.
 // Within EndpointOpts, Region may be omitted by being left as "", but all other fields are required.
-func Create(client *gophercloud.ServiceClient, opts CreateOptsBuilder) CreateResult {
-	var r CreateResult
+func Create(client *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
 	b, err := opts.ToEndpointCreateMap()
 	if err != nil {
 		r.Err = err
-		return r
+		return
 	}
 	_, r.Err = client.Post(listURL(client), &b, &r.Body, nil)
-	return r
 }
 
 type ListOptsBuilder interface {
@@ -86,20 +84,16 @@
 }
 
 // Update changes an existing endpoint with new data.
-func Update(client *gophercloud.ServiceClient, endpointID string, opts UpdateOptsBuilder) UpdateResult {
-	var r UpdateResult
+func Update(client *gophercloud.ServiceClient, endpointID string, opts UpdateOptsBuilder) (r UpdateResult) {
 	b, err := opts.ToEndpointUpdateMap()
 	if err != nil {
 		r.Err = err
-		return r
+		return
 	}
 	_, r.Err = client.Patch(endpointURL(client, endpointID), &b, &r.Body, nil)
-	return r
 }
 
 // Delete removes an endpoint from the service catalog.
-func Delete(client *gophercloud.ServiceClient, endpointID string) DeleteResult {
-	var r DeleteResult
+func Delete(client *gophercloud.ServiceClient, endpointID string) (r DeleteResult) {
 	_, r.Err = client.Delete(endpointURL(client, endpointID), nil)
-	return r
 }
diff --git a/openstack/identity/v3/services/requests.go b/openstack/identity/v3/services/requests.go
index 34bf979..81c8960 100644
--- a/openstack/identity/v3/services/requests.go
+++ b/openstack/identity/v3/services/requests.go
@@ -6,11 +6,9 @@
 )
 
 // Create adds a new service of the requested type to the catalog.
-func Create(client *gophercloud.ServiceClient, serviceType string) CreateResult {
-	var r CreateResult
+func Create(client *gophercloud.ServiceClient, serviceType string) (r CreateResult) {
 	b := map[string]string{"type": serviceType}
 	_, r.Err = client.Post(listURL(client), b, &r.Body, nil)
-	return r
 }
 
 type ListOptsBuilder interface {
@@ -45,24 +43,18 @@
 }
 
 // Get returns additional information about a service, given its ID.
-func Get(client *gophercloud.ServiceClient, serviceID string) GetResult {
-	var r GetResult
+func Get(client *gophercloud.ServiceClient, serviceID string) (r GetResult) {
 	_, r.Err = client.Get(serviceURL(client, serviceID), &r.Body, nil)
-	return r
 }
 
 // Update changes the service type of an existing service.
-func Update(client *gophercloud.ServiceClient, serviceID string, serviceType string) UpdateResult {
-	var r UpdateResult
+func Update(client *gophercloud.ServiceClient, serviceID string, serviceType string) (r UpdateResult) {
 	b := map[string]string{"type": serviceType}
 	_, r.Err = client.Patch(serviceURL(client, serviceID), &b, &r.Body, nil)
-	return r
 }
 
 // Delete removes an existing service.
 // It either deletes all associated endpoints, or fails until all endpoints are deleted.
-func Delete(client *gophercloud.ServiceClient, serviceID string) DeleteResult {
-	var r DeleteResult
+func Delete(client *gophercloud.ServiceClient, serviceID string) (r DeleteResult) {
 	_, r.Err = client.Delete(serviceURL(client, serviceID), nil)
-	return r
 }