diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index 1030a32f161..16fc4b0d7d2 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -836,7 +836,7 @@ class TestSalesInvoice(FrappeTestCase):
 		w = self.make()
 		self.assertEqual(w.outstanding_amount, w.base_rounded_total)
 
-	@IntegrationTestCase.change_settings(
+	@change_settings(
 		"Accounts Settings",
 		{"add_taxes_from_item_tax_template": 0, "add_taxes_from_taxes_and_charges_template": 0},
 	)
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 2885490b31f..b6b7ff890cf 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -1134,12 +1134,6 @@ class AccountsController(TransactionBase):
 			return True
 
 	def set_taxes_and_charges(self):
-<<<<<<< HEAD
-		if frappe.db.get_single_value("Accounts Settings", "add_taxes_from_item_tax_template"):
-			if hasattr(self, "taxes_and_charges") and not self.get("taxes") and not self.get("is_pos"):
-				if tax_master_doctype := self.meta.get_field("taxes_and_charges").options:
-					self.append_taxes_from_master(tax_master_doctype)
-=======
 		if self.get("taxes") or self.get("is_pos"):
 			return
 
@@ -1151,7 +1145,6 @@ class AccountsController(TransactionBase):
 
 		if frappe.get_single_value("Accounts Settings", "add_taxes_from_item_tax_template"):
 			self.append_taxes_from_item_tax_template()
->>>>>>> 4cb1fa2b6b (fix: auto append_taxes_from_item_tax_template in backend)
 
 	def append_taxes_from_master(self, tax_master_doctype=None):
 		if self.get("taxes_and_charges"):
@@ -1183,12 +1176,9 @@ class AccountsController(TransactionBase):
 							"account_head": account_head,
 							"rate": 0,
 							"description": account_head,
-<<<<<<< HEAD
-=======
 							"set_by_item_tax_template": 1,
 							"category": "Total",
 							"add_deduct_tax": "Add",
->>>>>>> 4cb1fa2b6b (fix: auto append_taxes_from_item_tax_template in backend)
 						},
 					)
 
diff --git a/erpnext/controllers/tests/test_accounts_controller.py b/erpnext/controllers/tests/test_accounts_controller.py
index b3b7427d32f..f2558572dc9 100644
--- a/erpnext/controllers/tests/test_accounts_controller.py
+++ b/erpnext/controllers/tests/test_accounts_controller.py
@@ -931,14 +931,10 @@ class TestAccountsController(FrappeTestCase):
 		self.assertEqual(exc_je_for_si, [])
 		self.assertEqual(exc_je_for_pe, [])
 
-<<<<<<< HEAD
-	@change_settings("Accounts Settings", {"add_taxes_from_item_tax_template": 1})
-=======
-	@IntegrationTestCase.change_settings(
+	@change_settings(
 		"Accounts Settings",
 		{"add_taxes_from_item_tax_template": 0, "add_taxes_from_taxes_and_charges_template": 1},
 	)
->>>>>>> 4cb1fa2b6b (fix: auto append_taxes_from_item_tax_template in backend)
 	def test_18_fetch_taxes_based_on_taxes_and_charges_template(self):
 		# Create a Sales Taxes and Charges Template
 		if not frappe.db.exists("Sales Taxes and Charges Template", "_Test Tax - _TC"):
@@ -967,7 +963,7 @@ class TestAccountsController(FrappeTestCase):
 
 		self.assertEqual(sinv.total_taxes_and_charges, 4.5)
 
-	@IntegrationTestCase.change_settings(
+	@change_settings(
 		"Accounts Settings",
 		{"add_taxes_from_item_tax_template": 1, "add_taxes_from_taxes_and_charges_template": 0},
 	)
diff --git a/erpnext/selling/doctype/quotation/test_quotation.py b/erpnext/selling/doctype/quotation/test_quotation.py
index 98a2ae04c67..210f4715815 100644
--- a/erpnext/selling/doctype/quotation/test_quotation.py
+++ b/erpnext/selling/doctype/quotation/test_quotation.py
@@ -179,7 +179,7 @@ class TestQuotation(FrappeTestCase):
 		sales_order.delivery_date = nowdate()
 		sales_order.insert()
 
-	@IntegrationTestCase.change_settings(
+	@change_settings(
 		"Accounts Settings",
 		{"add_taxes_from_item_tax_template": 0, "add_taxes_from_taxes_and_charges_template": 0},
 	)
@@ -720,7 +720,7 @@ class TestQuotation(FrappeTestCase):
 		quotation.items[0].conversion_factor = 2.23
 		self.assertRaises(frappe.ValidationError, quotation.save)
 
-	@IntegrationTestCase.change_settings(
+	@change_settings(
 		"Accounts Settings",
 		{"add_taxes_from_item_tax_template": 1, "add_taxes_from_taxes_and_charges_template": 0},
 	)