refactor!: remove `Mpesa Settings`
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/__init__.py b/erpnext/erpnext_integrations/doctype/mpesa_settings/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/__init__.py
+++ /dev/null
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/account_balance.html b/erpnext/erpnext_integrations/doctype/mpesa_settings/account_balance.html
deleted file mode 100644
index b74a718..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/account_balance.html
+++ /dev/null
@@ -1,28 +0,0 @@
-
-{% if not jQuery.isEmptyObject(data) %}
-<h5 style="margin-top: 20px;"> {{ __("Balance Details") }} </h5>
-<table class="table table-bordered small">
-	<thead>
-		<tr>
-			<th style="width: 20%">{{ __("Account Type") }}</th>
-			<th style="width: 20%" class="text-right">{{ __("Current Balance") }}</th>
-			<th style="width: 20%" class="text-right">{{ __("Available Balance") }}</th>
-			<th style="width: 20%" class="text-right">{{ __("Reserved Balance") }}</th>
-			<th style="width: 20%" class="text-right">{{ __("Uncleared Balance") }}</th>
-		</tr>
-	</thead>
-	<tbody>
-		{% for(const [key, value] of Object.entries(data)) { %}
-			<tr>
-				<td> {%= key %} </td>
-				<td class="text-right"> {%= value["current_balance"] %} </td>
-				<td class="text-right"> {%= value["available_balance"] %} </td>
-				<td class="text-right"> {%= value["reserved_balance"] %} </td>
-				<td class="text-right"> {%= value["uncleared_balance"] %} </td>
-			</tr>
-		{% } %}
-	</tbody>
-</table>
-{% else %}
-<p style="margin-top: 30px;"> Account Balance Information Not Available. </p>
-{% endif %}
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_connector.py b/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_connector.py
deleted file mode 100644
index a577e7f..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_connector.py
+++ /dev/null
@@ -1,149 +0,0 @@
-import base64
-import datetime
-
-import requests
-from requests.auth import HTTPBasicAuth
-
-
-class MpesaConnector:
-	def __init__(
-		self,
-		env="sandbox",
-		app_key=None,
-		app_secret=None,
-		sandbox_url="https://sandbox.safaricom.co.ke",
-		live_url="https://api.safaricom.co.ke",
-	):
-		"""Setup configuration for Mpesa connector and generate new access token."""
-		self.env = env
-		self.app_key = app_key
-		self.app_secret = app_secret
-		if env == "sandbox":
-			self.base_url = sandbox_url
-		else:
-			self.base_url = live_url
-		self.authenticate()
-
-	def authenticate(self):
-		"""
-		This method is used to fetch the access token required by Mpesa.
-
-		Returns:
-		        access_token (str): This token is to be used with the Bearer header for further API calls to Mpesa.
-		"""
-		authenticate_uri = "/oauth/v1/generate?grant_type=client_credentials"
-		authenticate_url = "{0}{1}".format(self.base_url, authenticate_uri)
-		r = requests.get(authenticate_url, auth=HTTPBasicAuth(self.app_key, self.app_secret))
-		self.authentication_token = r.json()["access_token"]
-		return r.json()["access_token"]
-
-	def get_balance(
-		self,
-		initiator=None,
-		security_credential=None,
-		party_a=None,
-		identifier_type=None,
-		remarks=None,
-		queue_timeout_url=None,
-		result_url=None,
-	):
-		"""
-		This method uses Mpesa's Account Balance API to to enquire the balance on a M-Pesa BuyGoods (Till Number).
-
-		Args:
-		        initiator (str): Username used to authenticate the transaction.
-		        security_credential (str): Generate from developer portal.
-		        command_id (str): AccountBalance.
-		        party_a (int): Till number being queried.
-		        identifier_type (int): Type of organization receiving the transaction. (MSISDN/Till Number/Organization short code)
-		        remarks (str): Comments that are sent along with the transaction(maximum 100 characters).
-		        queue_timeout_url (str): The url that handles information of timed out transactions.
-		        result_url (str): The url that receives results from M-Pesa api call.
-
-		Returns:
-		        OriginatorConverstionID (str): The unique request ID for tracking a transaction.
-		        ConversationID (str): The unique request ID returned by mpesa for each request made
-		        ResponseDescription (str): Response Description message
-		"""
-
-		payload = {
-			"Initiator": initiator,
-			"SecurityCredential": security_credential,
-			"CommandID": "AccountBalance",
-			"PartyA": party_a,
-			"IdentifierType": identifier_type,
-			"Remarks": remarks,
-			"QueueTimeOutURL": queue_timeout_url,
-			"ResultURL": result_url,
-		}
-		headers = {
-			"Authorization": "Bearer {0}".format(self.authentication_token),
-			"Content-Type": "application/json",
-		}
-		saf_url = "{0}{1}".format(self.base_url, "/mpesa/accountbalance/v1/query")
-		r = requests.post(saf_url, headers=headers, json=payload)
-		return r.json()
-
-	def stk_push(
-		self,
-		business_shortcode=None,
-		passcode=None,
-		amount=None,
-		callback_url=None,
-		reference_code=None,
-		phone_number=None,
-		description=None,
-	):
-		"""
-		This method uses Mpesa's Express API to initiate online payment on behalf of a customer.
-
-		Args:
-		        business_shortcode (int): The short code of the organization.
-		        passcode (str): Get from developer portal
-		        amount (int): The amount being transacted
-		        callback_url (str): A CallBack URL is a valid secure URL that is used to receive notifications from M-Pesa API.
-		        reference_code(str): Account Reference: This is an Alpha-Numeric parameter that is defined by your system as an Identifier of the transaction for CustomerPayBillOnline transaction type.
-		        phone_number(int): The Mobile Number to receive the STK Pin Prompt.
-		        description(str): This is any additional information/comment that can be sent along with the request from your system. MAX 13 characters
-
-		Success Response:
-		        CustomerMessage(str): Messages that customers can understand.
-		        CheckoutRequestID(str): This is a global unique identifier of the processed checkout transaction request.
-		        ResponseDescription(str): Describes Success or failure
-		        MerchantRequestID(str): This is a global unique Identifier for any submitted payment request.
-		        ResponseCode(int): 0 means success all others are error codes. e.g.404.001.03
-
-		Error Reponse:
-		        requestId(str): This is a unique requestID for the payment request
-		        errorCode(str): This is a predefined code that indicates the reason for request failure.
-		        errorMessage(str): This is a predefined code that indicates the reason for request failure.
-		"""
-
-		time = (
-			str(datetime.datetime.now()).split(".")[0].replace("-", "").replace(" ", "").replace(":", "")
-		)
-		password = "{0}{1}{2}".format(str(business_shortcode), str(passcode), time)
-		encoded = base64.b64encode(bytes(password, encoding="utf8"))
-		payload = {
-			"BusinessShortCode": business_shortcode,
-			"Password": encoded.decode("utf-8"),
-			"Timestamp": time,
-			"Amount": amount,
-			"PartyA": int(phone_number),
-			"PartyB": reference_code,
-			"PhoneNumber": int(phone_number),
-			"CallBackURL": callback_url,
-			"AccountReference": reference_code,
-			"TransactionDesc": description,
-			"TransactionType": "CustomerPayBillOnline"
-			if self.env == "sandbox"
-			else "CustomerBuyGoodsOnline",
-		}
-		headers = {
-			"Authorization": "Bearer {0}".format(self.authentication_token),
-			"Content-Type": "application/json",
-		}
-
-		saf_url = "{0}{1}".format(self.base_url, "/mpesa/stkpush/v1/processrequest")
-		r = requests.post(saf_url, headers=headers, json=payload)
-		return r.json()
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_custom_fields.py b/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_custom_fields.py
deleted file mode 100644
index c92edc5..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_custom_fields.py
+++ /dev/null
@@ -1,56 +0,0 @@
-import frappe
-from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
-
-
-def create_custom_pos_fields():
-	"""Create custom fields corresponding to POS Settings and POS Invoice."""
-	pos_field = {
-		"POS Invoice": [
-			{
-				"fieldname": "request_for_payment",
-				"label": "Request for Payment",
-				"fieldtype": "Button",
-				"hidden": 1,
-				"insert_after": "contact_email",
-			},
-			{
-				"fieldname": "mpesa_receipt_number",
-				"label": "Mpesa Receipt Number",
-				"fieldtype": "Data",
-				"read_only": 1,
-				"insert_after": "company",
-			},
-		]
-	}
-	if not frappe.get_meta("POS Invoice").has_field("request_for_payment"):
-		create_custom_fields(pos_field)
-
-	record_dict = [
-		{
-			"doctype": "POS Field",
-			"fieldname": "contact_mobile",
-			"label": "Mobile No",
-			"fieldtype": "Data",
-			"options": "Phone",
-			"parenttype": "POS Settings",
-			"parent": "POS Settings",
-			"parentfield": "invoice_fields",
-		},
-		{
-			"doctype": "POS Field",
-			"fieldname": "request_for_payment",
-			"label": "Request for Payment",
-			"fieldtype": "Button",
-			"parenttype": "POS Settings",
-			"parent": "POS Settings",
-			"parentfield": "invoice_fields",
-		},
-	]
-	create_pos_settings(record_dict)
-
-
-def create_pos_settings(record_dict):
-	for record in record_dict:
-		if frappe.db.exists("POS Field", {"fieldname": record.get("fieldname")}):
-			continue
-		frappe.get_doc(record).insert()
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.js b/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.js
deleted file mode 100644
index 447d720..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.js
+++ /dev/null
@@ -1,39 +0,0 @@
-// Copyright (c) 2020, Frappe Technologies Pvt. Ltd. and contributors
-// For license information, please see license.txt
-
-frappe.ui.form.on('Mpesa Settings', {
-	onload_post_render: function(frm) {
-		frm.events.setup_account_balance_html(frm);
-	},
-
-	refresh: function(frm) {
-		erpnext.utils.check_payments_app();
-
-		frappe.realtime.on("refresh_mpesa_dashboard", function(){
-			frm.reload_doc();
-			frm.events.setup_account_balance_html(frm);
-		});
-	},
-
-	get_account_balance: function(frm) {
-		if (!frm.doc.initiator_name && !frm.doc.security_credential) {
-			frappe.throw(__("Please set the initiator name and the security credential"));
-		}
-		frappe.call({
-			method: "get_account_balance_info",
-			doc: frm.doc
-		});
-	},
-
-	setup_account_balance_html: function(frm) {
-		if (!frm.doc.account_balance) return;
-		$("div").remove(".form-dashboard-section.custom");
-		frm.dashboard.add_section(
-			frappe.render_template('account_balance', {
-				data: JSON.parse(frm.doc.account_balance)
-			})
-		);
-		frm.dashboard.show();
-	}
-
-});
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.json b/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.json
deleted file mode 100644
index 8f3b427..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.json
+++ /dev/null
@@ -1,152 +0,0 @@
-{
- "actions": [],
- "autoname": "field:payment_gateway_name",
- "creation": "2020-09-10 13:21:27.398088",
- "doctype": "DocType",
- "editable_grid": 1,
- "engine": "InnoDB",
- "field_order": [
-  "payment_gateway_name",
-  "consumer_key",
-  "consumer_secret",
-  "initiator_name",
-  "till_number",
-  "transaction_limit",
-  "sandbox",
-  "column_break_4",
-  "business_shortcode",
-  "online_passkey",
-  "security_credential",
-  "get_account_balance",
-  "account_balance"
- ],
- "fields": [
-  {
-   "fieldname": "payment_gateway_name",
-   "fieldtype": "Data",
-   "label": "Payment Gateway Name",
-   "reqd": 1,
-   "unique": 1
-  },
-  {
-   "fieldname": "consumer_key",
-   "fieldtype": "Data",
-   "in_list_view": 1,
-   "label": "Consumer Key",
-   "reqd": 1
-  },
-  {
-   "fieldname": "consumer_secret",
-   "fieldtype": "Password",
-   "in_list_view": 1,
-   "label": "Consumer Secret",
-   "reqd": 1
-  },
-  {
-   "fieldname": "till_number",
-   "fieldtype": "Data",
-   "in_list_view": 1,
-   "label": "Till Number",
-   "reqd": 1
-  },
-  {
-   "default": "0",
-   "fieldname": "sandbox",
-   "fieldtype": "Check",
-   "label": "Sandbox"
-  },
-  {
-   "fieldname": "column_break_4",
-   "fieldtype": "Column Break"
-  },
-  {
-   "fieldname": "online_passkey",
-   "fieldtype": "Password",
-   "label": " Online PassKey",
-   "reqd": 1
-  },
-  {
-   "fieldname": "initiator_name",
-   "fieldtype": "Data",
-   "label": "Initiator Name"
-  },
-  {
-   "fieldname": "security_credential",
-   "fieldtype": "Small Text",
-   "label": "Security Credential"
-  },
-  {
-   "fieldname": "account_balance",
-   "fieldtype": "Long Text",
-   "hidden": 1,
-   "label": "Account Balance",
-   "read_only": 1
-  },
-  {
-   "fieldname": "get_account_balance",
-   "fieldtype": "Button",
-   "label": "Get Account Balance"
-  },
-  {
-   "depends_on": "eval:(doc.sandbox==0)",
-   "fieldname": "business_shortcode",
-   "fieldtype": "Data",
-   "label": "Business Shortcode",
-   "mandatory_depends_on": "eval:(doc.sandbox==0)"
-  },
-  {
-   "default": "150000",
-   "fieldname": "transaction_limit",
-   "fieldtype": "Float",
-   "label": "Transaction Limit",
-   "non_negative": 1
-  }
- ],
- "links": [],
- "modified": "2021-03-02 17:35:14.084342",
- "modified_by": "Administrator",
- "module": "ERPNext Integrations",
- "name": "Mpesa Settings",
- "owner": "Administrator",
- "permissions": [
-  {
-   "create": 1,
-   "delete": 1,
-   "email": 1,
-   "export": 1,
-   "print": 1,
-   "read": 1,
-   "report": 1,
-   "role": "System Manager",
-   "share": 1,
-   "write": 1
-  },
-  {
-   "create": 1,
-   "delete": 1,
-   "email": 1,
-   "export": 1,
-   "print": 1,
-   "read": 1,
-   "report": 1,
-   "role": "Accounts Manager",
-   "share": 1,
-   "write": 1
-  },
-  {
-   "create": 1,
-   "delete": 1,
-   "email": 1,
-   "export": 1,
-   "print": 1,
-   "read": 1,
-   "report": 1,
-   "role": "Accounts User",
-   "share": 1,
-   "write": 1
-  }
- ],
- "sort_field": "modified",
- "sort_order": "DESC",
- "track_changes": 1
-}
\ No newline at end of file
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.py b/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.py
deleted file mode 100644
index a298e11..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/mpesa_settings.py
+++ /dev/null
@@ -1,354 +0,0 @@
-# Copyright (c) 2020, Frappe Technologies and contributors
-# For license information, please see license.txt
-
-
-from json import dumps, loads
-
-import frappe
-from frappe import _
-from frappe.integrations.utils import create_request_log
-from frappe.model.document import Document
-from frappe.utils import call_hook_method, fmt_money, get_request_site_address
-
-from erpnext.erpnext_integrations.doctype.mpesa_settings.mpesa_connector import MpesaConnector
-from erpnext.erpnext_integrations.doctype.mpesa_settings.mpesa_custom_fields import (
-	create_custom_pos_fields,
-)
-from erpnext.erpnext_integrations.utils import create_mode_of_payment
-from erpnext.utilities import payment_app_import_guard
-
-
-class MpesaSettings(Document):
-	supported_currencies = ["KES"]
-
-	def validate_transaction_currency(self, currency):
-		if currency not in self.supported_currencies:
-			frappe.throw(
-				_(
-					"Please select another payment method. Mpesa does not support transactions in currency '{0}'"
-				).format(currency)
-			)
-
-	def on_update(self):
-		with payment_app_import_guard():
-			from payments.utils import create_payment_gateway
-
-		create_custom_pos_fields()
-		create_payment_gateway(
-			"Mpesa-" + self.payment_gateway_name,
-			settings="Mpesa Settings",
-			controller=self.payment_gateway_name,
-		)
-		call_hook_method(
-			"payment_gateway_enabled", gateway="Mpesa-" + self.payment_gateway_name, payment_channel="Phone"
-		)
-
-		# required to fetch the bank account details from the payment gateway account
-		frappe.db.commit()
-		create_mode_of_payment("Mpesa-" + self.payment_gateway_name, payment_type="Phone")
-
-	def request_for_payment(self, **kwargs):
-		args = frappe._dict(kwargs)
-		request_amounts = self.split_request_amount_according_to_transaction_limit(args)
-
-		for i, amount in enumerate(request_amounts):
-			args.request_amount = amount
-			if frappe.flags.in_test:
-				from erpnext.erpnext_integrations.doctype.mpesa_settings.test_mpesa_settings import (
-					get_payment_request_response_payload,
-				)
-
-				response = frappe._dict(get_payment_request_response_payload(amount))
-			else:
-				response = frappe._dict(generate_stk_push(**args))
-
-			self.handle_api_response("CheckoutRequestID", args, response)
-
-	def split_request_amount_according_to_transaction_limit(self, args):
-		request_amount = args.request_amount
-		if request_amount > self.transaction_limit:
-			# make multiple requests
-			request_amounts = []
-			requests_to_be_made = frappe.utils.ceil(
-				request_amount / self.transaction_limit
-			)  # 480/150 = ceil(3.2) = 4
-			for i in range(requests_to_be_made):
-				amount = self.transaction_limit
-				if i == requests_to_be_made - 1:
-					amount = request_amount - (
-						self.transaction_limit * i
-					)  # for 4th request, 480 - (150 * 3) = 30
-				request_amounts.append(amount)
-		else:
-			request_amounts = [request_amount]
-
-		return request_amounts
-
-	@frappe.whitelist()
-	def get_account_balance_info(self):
-		payload = dict(
-			reference_doctype="Mpesa Settings", reference_docname=self.name, doc_details=vars(self)
-		)
-
-		if frappe.flags.in_test:
-			from erpnext.erpnext_integrations.doctype.mpesa_settings.test_mpesa_settings import (
-				get_test_account_balance_response,
-			)
-
-			response = frappe._dict(get_test_account_balance_response())
-		else:
-			response = frappe._dict(get_account_balance(payload))
-
-		self.handle_api_response("ConversationID", payload, response)
-
-	def handle_api_response(self, global_id, request_dict, response):
-		"""Response received from API calls returns a global identifier for each transaction, this code is returned during the callback."""
-		# check error response
-		if getattr(response, "requestId"):
-			req_name = getattr(response, "requestId")
-			error = response
-		else:
-			# global checkout id used as request name
-			req_name = getattr(response, global_id)
-			error = None
-
-		if not frappe.db.exists("Integration Request", req_name):
-			create_request_log(request_dict, "Host", "Mpesa", req_name, error)
-
-		if error:
-			frappe.throw(_(getattr(response, "errorMessage")), title=_("Transaction Error"))
-
-
-def generate_stk_push(**kwargs):
-	"""Generate stk push by making a API call to the stk push API."""
-	args = frappe._dict(kwargs)
-	try:
-		callback_url = (
-			get_request_site_address(True)
-			+ "/api/method/erpnext.erpnext_integrations.doctype.mpesa_settings.mpesa_settings.verify_transaction"
-		)
-
-		mpesa_settings = frappe.get_doc("Mpesa Settings", args.payment_gateway[6:])
-		env = "production" if not mpesa_settings.sandbox else "sandbox"
-		# for sandbox, business shortcode is same as till number
-		business_shortcode = (
-			mpesa_settings.business_shortcode if env == "production" else mpesa_settings.till_number
-		)
-
-		connector = MpesaConnector(
-			env=env,
-			app_key=mpesa_settings.consumer_key,
-			app_secret=mpesa_settings.get_password("consumer_secret"),
-		)
-
-		mobile_number = sanitize_mobile_number(args.sender)
-
-		response = connector.stk_push(
-			business_shortcode=business_shortcode,
-			amount=args.request_amount,
-			passcode=mpesa_settings.get_password("online_passkey"),
-			callback_url=callback_url,
-			reference_code=mpesa_settings.till_number,
-			phone_number=mobile_number,
-			description="POS Payment",
-		)
-
-		return response
-
-	except Exception:
-		frappe.log_error("Mpesa Express Transaction Error")
-		frappe.throw(
-			_("Issue detected with Mpesa configuration, check the error logs for more details"),
-			title=_("Mpesa Express Error"),
-		)
-
-
-def sanitize_mobile_number(number):
-	"""Add country code and strip leading zeroes from the phone number."""
-	return "254" + str(number).lstrip("0")
-
-
-@frappe.whitelist(allow_guest=True)
-def verify_transaction(**kwargs):
-	"""Verify the transaction result received via callback from stk."""
-	transaction_response = frappe._dict(kwargs["Body"]["stkCallback"])
-
-	checkout_id = getattr(transaction_response, "CheckoutRequestID", "")
-	if not isinstance(checkout_id, str):
-		frappe.throw(_("Invalid Checkout Request ID"))
-
-	integration_request = frappe.get_doc("Integration Request", checkout_id)
-	transaction_data = frappe._dict(loads(integration_request.data))
-	total_paid = 0  # for multiple integration request made against a pos invoice
-	success = False  # for reporting successfull callback to point of sale ui
-
-	if transaction_response["ResultCode"] == 0:
-		if integration_request.reference_doctype and integration_request.reference_docname:
-			try:
-				item_response = transaction_response["CallbackMetadata"]["Item"]
-				amount = fetch_param_value(item_response, "Amount", "Name")
-				mpesa_receipt = fetch_param_value(item_response, "MpesaReceiptNumber", "Name")
-				pr = frappe.get_doc(
-					integration_request.reference_doctype, integration_request.reference_docname
-				)
-
-				mpesa_receipts, completed_payments = get_completed_integration_requests_info(
-					integration_request.reference_doctype, integration_request.reference_docname, checkout_id
-				)
-
-				total_paid = amount + sum(completed_payments)
-				mpesa_receipts = ", ".join(mpesa_receipts + [mpesa_receipt])
-
-				if total_paid >= pr.grand_total:
-					pr.run_method("on_payment_authorized", "Completed")
-					success = True
-
-				frappe.db.set_value("POS Invoice", pr.reference_name, "mpesa_receipt_number", mpesa_receipts)
-				integration_request.handle_success(transaction_response)
-			except Exception:
-				integration_request.handle_failure(transaction_response)
-				frappe.log_error("Mpesa: Failed to verify transaction")
-
-	else:
-		integration_request.handle_failure(transaction_response)
-
-	frappe.publish_realtime(
-		event="process_phone_payment",
-		doctype="POS Invoice",
-		docname=transaction_data.payment_reference,
-		user=integration_request.owner,
-		message={
-			"amount": total_paid,
-			"success": success,
-			"failure_message": transaction_response["ResultDesc"]
-			if transaction_response["ResultCode"] != 0
-			else "",
-		},
-	)
-
-
-def get_completed_integration_requests_info(reference_doctype, reference_docname, checkout_id):
-	output_of_other_completed_requests = frappe.get_all(
-		"Integration Request",
-		filters={
-			"name": ["!=", checkout_id],
-			"reference_doctype": reference_doctype,
-			"reference_docname": reference_docname,
-			"status": "Completed",
-		},
-		pluck="output",
-	)
-
-	mpesa_receipts, completed_payments = [], []
-
-	for out in output_of_other_completed_requests:
-		out = frappe._dict(loads(out))
-		item_response = out["CallbackMetadata"]["Item"]
-		completed_amount = fetch_param_value(item_response, "Amount", "Name")
-		completed_mpesa_receipt = fetch_param_value(item_response, "MpesaReceiptNumber", "Name")
-		completed_payments.append(completed_amount)
-		mpesa_receipts.append(completed_mpesa_receipt)
-
-	return mpesa_receipts, completed_payments
-
-
-def get_account_balance(request_payload):
-	"""Call account balance API to send the request to the Mpesa Servers."""
-	try:
-		mpesa_settings = frappe.get_doc("Mpesa Settings", request_payload.get("reference_docname"))
-		env = "production" if not mpesa_settings.sandbox else "sandbox"
-		connector = MpesaConnector(
-			env=env,
-			app_key=mpesa_settings.consumer_key,
-			app_secret=mpesa_settings.get_password("consumer_secret"),
-		)
-
-		callback_url = (
-			get_request_site_address(True)
-			+ "/api/method/erpnext.erpnext_integrations.doctype.mpesa_settings.mpesa_settings.process_balance_info"
-		)
-
-		response = connector.get_balance(
-			mpesa_settings.initiator_name,
-			mpesa_settings.security_credential,
-			mpesa_settings.till_number,
-			4,
-			mpesa_settings.name,
-			callback_url,
-			callback_url,
-		)
-		return response
-	except Exception:
-		frappe.log_error("Mpesa: Failed to get account balance")
-		frappe.throw(_("Please check your configuration and try again"), title=_("Error"))
-
-
-@frappe.whitelist(allow_guest=True)
-def process_balance_info(**kwargs):
-	"""Process and store account balance information received via callback from the account balance API call."""
-	account_balance_response = frappe._dict(kwargs["Result"])
-
-	conversation_id = getattr(account_balance_response, "ConversationID", "")
-	if not isinstance(conversation_id, str):
-		frappe.throw(_("Invalid Conversation ID"))
-
-	request = frappe.get_doc("Integration Request", conversation_id)
-
-	if request.status == "Completed":
-		return
-
-	transaction_data = frappe._dict(loads(request.data))
-
-	if account_balance_response["ResultCode"] == 0:
-		try:
-			result_params = account_balance_response["ResultParameters"]["ResultParameter"]
-
-			balance_info = fetch_param_value(result_params, "AccountBalance", "Key")
-			balance_info = format_string_to_json(balance_info)
-
-			ref_doc = frappe.get_doc(transaction_data.reference_doctype, transaction_data.reference_docname)
-			ref_doc.db_set("account_balance", balance_info)
-
-			request.handle_success(account_balance_response)
-			frappe.publish_realtime(
-				"refresh_mpesa_dashboard",
-				doctype="Mpesa Settings",
-				docname=transaction_data.reference_docname,
-				user=transaction_data.owner,
-			)
-		except Exception:
-			request.handle_failure(account_balance_response)
-			frappe.log_error(
-				title="Mpesa Account Balance Processing Error", message=account_balance_response
-			)
-	else:
-		request.handle_failure(account_balance_response)
-
-
-def format_string_to_json(balance_info):
-	"""
-	Format string to json.
-
-	e.g: '''Working Account|KES|481000.00|481000.00|0.00|0.00'''
-	=> {'Working Account': {'current_balance': '481000.00',
-	        'available_balance': '481000.00',
-	        'reserved_balance': '0.00',
-	        'uncleared_balance': '0.00'}}
-	"""
-	balance_dict = frappe._dict()
-	for account_info in balance_info.split("&"):
-		account_info = account_info.split("|")
-		balance_dict[account_info[0]] = dict(
-			current_balance=fmt_money(account_info[2], currency="KES"),
-			available_balance=fmt_money(account_info[3], currency="KES"),
-			reserved_balance=fmt_money(account_info[4], currency="KES"),
-			uncleared_balance=fmt_money(account_info[5], currency="KES"),
-		)
-	return dumps(balance_dict)
-
-
-def fetch_param_value(response, key, key_field):
-	"""Fetch the specified key from list of dictionary. Key is identified via the key field."""
-	for param in response:
-		if param[key_field] == key:
-			return param["Value"]
diff --git a/erpnext/erpnext_integrations/doctype/mpesa_settings/test_mpesa_settings.py b/erpnext/erpnext_integrations/doctype/mpesa_settings/test_mpesa_settings.py
deleted file mode 100644
index b526624..0000000
--- a/erpnext/erpnext_integrations/doctype/mpesa_settings/test_mpesa_settings.py
+++ /dev/null
@@ -1,361 +0,0 @@
-# Copyright (c) 2020, Frappe Technologies Pvt. Ltd. and Contributors
-# See license.txt
-
-import unittest
-from json import dumps
-
-import frappe
-
-from erpnext.accounts.doctype.pos_invoice.test_pos_invoice import create_pos_invoice
-from erpnext.erpnext_integrations.doctype.mpesa_settings.mpesa_settings import (
-	process_balance_info,
-	verify_transaction,
-)
-from erpnext.erpnext_integrations.utils import create_mode_of_payment
-
-
-class TestMpesaSettings(unittest.TestCase):
-	def setUp(self):
-		# create payment gateway in setup
-		create_mpesa_settings(payment_gateway_name="_Test")
-		create_mpesa_settings(payment_gateway_name="_Account Balance")
-		create_mpesa_settings(payment_gateway_name="Payment")
-
-	def tearDown(self):
-		frappe.db.sql("delete from `tabMpesa Settings`")
-		frappe.db.sql("delete from `tabIntegration Request` where integration_request_service = 'Mpesa'")
-
-	def test_creation_of_payment_gateway(self):
-		mode_of_payment = create_mode_of_payment("Mpesa-_Test", payment_type="Phone")
-		self.assertTrue(frappe.db.exists("Payment Gateway Account", {"payment_gateway": "Mpesa-_Test"}))
-		self.assertTrue(mode_of_payment.name)
-		self.assertEqual(mode_of_payment.type, "Phone")
-
-	def test_processing_of_account_balance(self):
-		mpesa_doc = create_mpesa_settings(payment_gateway_name="_Account Balance")
-		mpesa_doc.get_account_balance_info()
-
-		callback_response = get_account_balance_callback_payload()
-		process_balance_info(**callback_response)
-		integration_request = frappe.get_doc("Integration Request", "AG_20200927_00007cdb1f9fb6494315")
-
-		# test integration request creation and successful update of the status on receiving callback response
-		self.assertTrue(integration_request)
-		self.assertEqual(integration_request.status, "Completed")
-
-		# test formatting of account balance received as string to json with appropriate currency symbol
-		mpesa_doc.reload()
-		self.assertEqual(
-			mpesa_doc.account_balance,
-			dumps(
-				{
-					"Working Account": {
-						"current_balance": "Sh 481,000.00",
-						"available_balance": "Sh 481,000.00",
-						"reserved_balance": "Sh 0.00",
-						"uncleared_balance": "Sh 0.00",
-					}
-				}
-			),
-		)
-
-		integration_request.delete()
-
-	def test_processing_of_callback_payload(self):
-		mpesa_account = frappe.db.get_value(
-			"Payment Gateway Account", {"payment_gateway": "Mpesa-Payment"}, "payment_account"
-		)
-		frappe.db.set_value("Account", mpesa_account, "account_currency", "KES")
-		frappe.db.set_value("Customer", "_Test Customer", "default_currency", "KES")
-
-		pos_invoice = create_pos_invoice(do_not_submit=1)
-		pos_invoice.append(
-			"payments", {"mode_of_payment": "Mpesa-Payment", "account": mpesa_account, "amount": 500}
-		)
-		pos_invoice.contact_mobile = "093456543894"
-		pos_invoice.currency = "KES"
-		pos_invoice.save()
-
-		pr = pos_invoice.create_payment_request()
-		# test payment request creation
-		self.assertEqual(pr.payment_gateway, "Mpesa-Payment")
-
-		# submitting payment request creates integration requests with random id
-		integration_req_ids = frappe.get_all(
-			"Integration Request",
-			filters={
-				"reference_doctype": pr.doctype,
-				"reference_docname": pr.name,
-			},
-			pluck="name",
-		)
-
-		callback_response = get_payment_callback_payload(
-			Amount=500, CheckoutRequestID=integration_req_ids[0]
-		)
-		verify_transaction(**callback_response)
-		# test creation of integration request
-		integration_request = frappe.get_doc("Integration Request", integration_req_ids[0])
-
-		# test integration request creation and successful update of the status on receiving callback response
-		self.assertTrue(integration_request)
-		self.assertEqual(integration_request.status, "Completed")
-
-		pos_invoice.reload()
-		integration_request.reload()
-		self.assertEqual(pos_invoice.mpesa_receipt_number, "LGR7OWQX0R")
-		self.assertEqual(integration_request.status, "Completed")
-
-		frappe.db.set_value("Customer", "_Test Customer", "default_currency", "")
-		integration_request.delete()
-		pr.reload()
-		pr.cancel()
-		pr.delete()
-		pos_invoice.delete()
-
-	def test_processing_of_multiple_callback_payload(self):
-		mpesa_account = frappe.db.get_value(
-			"Payment Gateway Account", {"payment_gateway": "Mpesa-Payment"}, "payment_account"
-		)
-		frappe.db.set_value("Account", mpesa_account, "account_currency", "KES")
-		frappe.db.set_value("Mpesa Settings", "Payment", "transaction_limit", "500")
-		frappe.db.set_value("Customer", "_Test Customer", "default_currency", "KES")
-
-		pos_invoice = create_pos_invoice(do_not_submit=1)
-		pos_invoice.append(
-			"payments", {"mode_of_payment": "Mpesa-Payment", "account": mpesa_account, "amount": 1000}
-		)
-		pos_invoice.contact_mobile = "093456543894"
-		pos_invoice.currency = "KES"
-		pos_invoice.save()
-
-		pr = pos_invoice.create_payment_request()
-		# test payment request creation
-		self.assertEqual(pr.payment_gateway, "Mpesa-Payment")
-
-		# submitting payment request creates integration requests with random id
-		integration_req_ids = frappe.get_all(
-			"Integration Request",
-			filters={
-				"reference_doctype": pr.doctype,
-				"reference_docname": pr.name,
-			},
-			pluck="name",
-		)
-
-		# create random receipt nos and send it as response to callback handler
-		mpesa_receipt_numbers = [frappe.utils.random_string(5) for d in integration_req_ids]
-
-		integration_requests = []
-		for i in range(len(integration_req_ids)):
-			callback_response = get_payment_callback_payload(
-				Amount=500,
-				CheckoutRequestID=integration_req_ids[i],
-				MpesaReceiptNumber=mpesa_receipt_numbers[i],
-			)
-			# handle response manually
-			verify_transaction(**callback_response)
-			# test completion of integration request
-			integration_request = frappe.get_doc("Integration Request", integration_req_ids[i])
-			self.assertEqual(integration_request.status, "Completed")
-			integration_requests.append(integration_request)
-
-		# check receipt number once all the integration requests are completed
-		pos_invoice.reload()
-		self.assertEqual(pos_invoice.mpesa_receipt_number, ", ".join(mpesa_receipt_numbers))
-
-		frappe.db.set_value("Customer", "_Test Customer", "default_currency", "")
-		[d.delete() for d in integration_requests]
-		pr.reload()
-		pr.cancel()
-		pr.delete()
-		pos_invoice.delete()
-
-	def test_processing_of_only_one_succes_callback_payload(self):
-		mpesa_account = frappe.db.get_value(
-			"Payment Gateway Account", {"payment_gateway": "Mpesa-Payment"}, "payment_account"
-		)
-		frappe.db.set_value("Account", mpesa_account, "account_currency", "KES")
-		frappe.db.set_value("Mpesa Settings", "Payment", "transaction_limit", "500")
-		frappe.db.set_value("Customer", "_Test Customer", "default_currency", "KES")
-
-		pos_invoice = create_pos_invoice(do_not_submit=1)
-		pos_invoice.append(
-			"payments", {"mode_of_payment": "Mpesa-Payment", "account": mpesa_account, "amount": 1000}
-		)
-		pos_invoice.contact_mobile = "093456543894"
-		pos_invoice.currency = "KES"
-		pos_invoice.save()
-
-		pr = pos_invoice.create_payment_request()
-		# test payment request creation
-		self.assertEqual(pr.payment_gateway, "Mpesa-Payment")
-
-		# submitting payment request creates integration requests with random id
-		integration_req_ids = frappe.get_all(
-			"Integration Request",
-			filters={
-				"reference_doctype": pr.doctype,
-				"reference_docname": pr.name,
-			},
-			pluck="name",
-		)
-
-		# create random receipt nos and send it as response to callback handler
-		mpesa_receipt_numbers = [frappe.utils.random_string(5) for d in integration_req_ids]
-
-		callback_response = get_payment_callback_payload(
-			Amount=500,
-			CheckoutRequestID=integration_req_ids[0],
-			MpesaReceiptNumber=mpesa_receipt_numbers[0],
-		)
-		# handle response manually
-		verify_transaction(**callback_response)
-		# test completion of integration request
-		integration_request = frappe.get_doc("Integration Request", integration_req_ids[0])
-		self.assertEqual(integration_request.status, "Completed")
-
-		# now one request is completed
-		# second integration request fails
-		# now retrying payment request should make only one integration request again
-		pr = pos_invoice.create_payment_request()
-		new_integration_req_ids = frappe.get_all(
-			"Integration Request",
-			filters={
-				"reference_doctype": pr.doctype,
-				"reference_docname": pr.name,
-				"name": ["not in", integration_req_ids],
-			},
-			pluck="name",
-		)
-
-		self.assertEqual(len(new_integration_req_ids), 1)
-
-		frappe.db.set_value("Customer", "_Test Customer", "default_currency", "")
-		frappe.db.sql("delete from `tabIntegration Request` where integration_request_service = 'Mpesa'")
-		pr.reload()
-		pr.cancel()
-		pr.delete()
-		pos_invoice.delete()
-
-
-def create_mpesa_settings(payment_gateway_name="Express"):
-	if frappe.db.exists("Mpesa Settings", payment_gateway_name):
-		return frappe.get_doc("Mpesa Settings", payment_gateway_name)
-
-	doc = frappe.get_doc(
-		dict(  # nosec
-			doctype="Mpesa Settings",
-			sandbox=1,
-			payment_gateway_name=payment_gateway_name,
-			consumer_key="5sMu9LVI1oS3oBGPJfh3JyvLHwZOdTKn",
-			consumer_secret="VI1oS3oBGPJfh3JyvLHw",
-			online_passkey="LVI1oS3oBGPJfh3JyvLHwZOd",
-			till_number="174379",
-		)
-	)
-
-	doc.insert(ignore_permissions=True)
-	return doc
-
-
-def get_test_account_balance_response():
-	"""Response received after calling the account balance API."""
-	return {
-		"ResultType": 0,
-		"ResultCode": 0,
-		"ResultDesc": "The service request has been accepted successfully.",
-		"OriginatorConversationID": "10816-694520-2",
-		"ConversationID": "AG_20200927_00007cdb1f9fb6494315",
-		"TransactionID": "LGR0000000",
-		"ResultParameters": {
-			"ResultParameter": [
-				{"Key": "ReceiptNo", "Value": "LGR919G2AV"},
-				{"Key": "Conversation ID", "Value": "AG_20170727_00004492b1b6d0078fbe"},
-				{"Key": "FinalisedTime", "Value": 20170727101415},
-				{"Key": "Amount", "Value": 10},
-				{"Key": "TransactionStatus", "Value": "Completed"},
-				{"Key": "ReasonType", "Value": "Salary Payment via API"},
-				{"Key": "TransactionReason"},
-				{"Key": "DebitPartyCharges", "Value": "Fee For B2C Payment|KES|33.00"},
-				{"Key": "DebitAccountType", "Value": "Utility Account"},
-				{"Key": "InitiatedTime", "Value": 20170727101415},
-				{"Key": "Originator Conversation ID", "Value": "19455-773836-1"},
-				{"Key": "CreditPartyName", "Value": "254708374149 - John Doe"},
-				{"Key": "DebitPartyName", "Value": "600134 - Safaricom157"},
-			]
-		},
-		"ReferenceData": {"ReferenceItem": {"Key": "Occasion", "Value": "aaaa"}},
-	}
-
-
-def get_payment_request_response_payload(Amount=500):
-	"""Response received after successfully calling the stk push process request API."""
-
-	CheckoutRequestID = frappe.utils.random_string(10)
-
-	return {
-		"MerchantRequestID": "8071-27184008-1",
-		"CheckoutRequestID": CheckoutRequestID,
-		"ResultCode": 0,
-		"ResultDesc": "The service request is processed successfully.",
-		"CallbackMetadata": {
-			"Item": [
-				{"Name": "Amount", "Value": Amount},
-				{"Name": "MpesaReceiptNumber", "Value": "LGR7OWQX0R"},
-				{"Name": "TransactionDate", "Value": 20201006113336},
-				{"Name": "PhoneNumber", "Value": 254723575670},
-			]
-		},
-	}
-
-
-def get_payment_callback_payload(
-	Amount=500, CheckoutRequestID="ws_CO_061020201133231972", MpesaReceiptNumber="LGR7OWQX0R"
-):
-	"""Response received from the server as callback after calling the stkpush process request API."""
-	return {
-		"Body": {
-			"stkCallback": {
-				"MerchantRequestID": "19465-780693-1",
-				"CheckoutRequestID": CheckoutRequestID,
-				"ResultCode": 0,
-				"ResultDesc": "The service request is processed successfully.",
-				"CallbackMetadata": {
-					"Item": [
-						{"Name": "Amount", "Value": Amount},
-						{"Name": "MpesaReceiptNumber", "Value": MpesaReceiptNumber},
-						{"Name": "Balance"},
-						{"Name": "TransactionDate", "Value": 20170727154800},
-						{"Name": "PhoneNumber", "Value": 254721566839},
-					]
-				},
-			}
-		}
-	}
-
-
-def get_account_balance_callback_payload():
-	"""Response received from the server as callback after calling the account balance API."""
-	return {
-		"Result": {
-			"ResultType": 0,
-			"ResultCode": 0,
-			"ResultDesc": "The service request is processed successfully.",
-			"OriginatorConversationID": "16470-170099139-1",
-			"ConversationID": "AG_20200927_00007cdb1f9fb6494315",
-			"TransactionID": "OIR0000000",
-			"ResultParameters": {
-				"ResultParameter": [
-					{"Key": "AccountBalance", "Value": "Working Account|KES|481000.00|481000.00|0.00|0.00"},
-					{"Key": "BOCompletedTime", "Value": 20200927234123},
-				]
-			},
-			"ReferenceData": {
-				"ReferenceItem": {
-					"Key": "QueueTimeoutURL",
-					"Value": "https://internalsandbox.safaricom.co.ke/mpesa/abresults/v1/submit",
-				}
-			},
-		}
-	}
diff --git a/erpnext/erpnext_integrations/utils.py b/erpnext/erpnext_integrations/utils.py
index 981486e..8984f1b 100644
--- a/erpnext/erpnext_integrations/utils.py
+++ b/erpnext/erpnext_integrations/utils.py
@@ -6,8 +6,6 @@
 import frappe
 from frappe import _
 
-from erpnext import get_default_company
-
 
 def validate_webhooks_request(doctype, hmac_key, secret_key="secret"):
 	def innerfn(fn):
@@ -47,35 +45,6 @@
 	return server_url
 
 
-def create_mode_of_payment(gateway, payment_type="General"):
-	payment_gateway_account = frappe.db.get_value(
-		"Payment Gateway Account", {"payment_gateway": gateway}, ["payment_account"]
-	)
-
-	mode_of_payment = frappe.db.exists("Mode of Payment", gateway)
-	if not mode_of_payment and payment_gateway_account:
-		mode_of_payment = frappe.get_doc(
-			{
-				"doctype": "Mode of Payment",
-				"mode_of_payment": gateway,
-				"enabled": 1,
-				"type": payment_type,
-				"accounts": [
-					{
-						"doctype": "Mode of Payment Account",
-						"company": get_default_company(),
-						"default_account": payment_gateway_account,
-					}
-				],
-			}
-		)
-		mode_of_payment.insert(ignore_permissions=True)
-
-		return mode_of_payment
-	elif mode_of_payment:
-		return frappe.get_doc("Mode of Payment", mode_of_payment)
-
-
 def get_tracking_url(carrier, tracking_number):
 	# Return the formatted Tracking URL.
 	tracking_url = ""