diff --git a/lib/base.js b/lib/base.js
index 2607a50..aed64a6 100644
--- a/lib/base.js
+++ b/lib/base.js
@@ -44,13 +44,13 @@ export class PlivoResource {
     });
   }
 
-  delete() {
+  delete(params) {
     let client = this[clientKey];
     let action = this[actionKey];
     let id = this.id;
 
     return new Promise((resolve, reject) => {
-      client('DELETE', action + id + '/')
+      client('DELETE', action + id + '/', params)
         .then(() => {
           resolve(true);
         })
diff --git a/lib/resources/accounts.js b/lib/resources/accounts.js
index c66a0b3..c40b9e7 100644
--- a/lib/resources/accounts.js
+++ b/lib/resources/accounts.js
@@ -53,11 +53,18 @@ export class Subaccount extends PlivoResource {
 /**
  * delete subaccount
  * @method
+ * @param {boolean} cascade - delete associated applications, phonenumbers & endpoints
  * @promise {boolean} return true if subaccount deleted
  * @fail {Error} return Error
  */
-  delete() {
-    return super.delete();
+  delete(cascade) {
+    let params = {};
+
+    if (typeof cascade === 'boolean') {
+      params.cascade = cascade.toString();
+    }
+
+    return super.delete(params);
   }
 
 }
@@ -148,10 +155,11 @@ export class SubaccountInterface extends PlivoResourceInterface {
  * delete subaccount
  * @method
  * @param {id} id - id of subaccount
+ * @param {boolean} cascade - delete associated applications, phonenumbers & endpoints
  * @promise {boolean} return true if subaccount deleted
  * @fail {Error} return Error
  */
-  delete(id) {
+  delete(id, cascade) {
     let errors = validate([
       {field: 'id', value: id, validators: ['isRequired']}
     ]);
@@ -161,7 +169,7 @@ export class SubaccountInterface extends PlivoResourceInterface {
     }
     return new Subaccount(this[clientKey], {
       id: id
-    }).delete();
+    }).delete(cascade);
   }
 }