diff --git a/openstack/compute/v2/extensions/defsecrules/requests.go b/openstack/compute/v2/extensions/defsecrules/requests.go
index c29d46f..9f27ef1 100644
--- a/openstack/compute/v2/extensions/defsecrules/requests.go
+++ b/openstack/compute/v2/extensions/defsecrules/requests.go
@@ -73,10 +73,8 @@
 		return result
 	}
 
-	_, result.Err = client.Request("POST", rootURL(client), gophercloud.RequestOpts{
-		JSONResponse: &result.Body,
-		JSONBody:     &reqBody,
-		OkCodes:      []int{200},
+	_, result.Err = client.Post(rootURL(client), reqBody, &result.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200},
 	})
 
 	return result
@@ -85,19 +83,13 @@
 // Get will return details for a particular default rule.
 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
 }
 
 // Delete will permanently delete a default rule from the project.
 func Delete(client *gophercloud.ServiceClient, id string) gophercloud.ErrResult {
 	var result gophercloud.ErrResult
-
-	_, result.Err = client.Request("DELETE", resourceURL(client, id), gophercloud.RequestOpts{})
-
+	_, result.Err = client.Delete(resourceURL(client, id), nil)
 	return result
 }