diff --git a/erpnext/crm/doctype/opportunity/opportunity.js b/erpnext/crm/doctype/opportunity/opportunity.js
index 80588ee0029..6ebb0dab570 100644
--- a/erpnext/crm/doctype/opportunity/opportunity.js
+++ b/erpnext/crm/doctype/opportunity/opportunity.js
@@ -95,13 +95,6 @@ frappe.ui.form.on("Opportunity", {
 					}, __('Create'));
 			}
 
-			if (frm.doc.opportunity_from != "Customer") {
-				frm.add_custom_button(__('Customer'),
-					function() {
-						frm.trigger("make_customer")
-					}, __('Create'));
-			}
-
 			frm.add_custom_button(__('Quotation'),
 				function() {
 					frm.trigger("create_quotation")
@@ -203,13 +196,6 @@ erpnext.crm.Opportunity = class Opportunity extends frappe.ui.form.Controller {
 			frm: cur_frm
 		})
 	}
-
-	make_customer() {
-		frappe.model.open_mapped_doc({
-			method: "erpnext.crm.doctype.opportunity.opportunity.make_customer",
-			frm: cur_frm
-		})
-	}
 };
 
 extend_cscript(cur_frm.cscript, new erpnext.crm.Opportunity({frm: cur_frm}));
diff --git a/erpnext/crm/doctype/opportunity/opportunity.py b/erpnext/crm/doctype/opportunity/opportunity.py
index 9e620312b9f..23ad98a2828 100644
--- a/erpnext/crm/doctype/opportunity/opportunity.py
+++ b/erpnext/crm/doctype/opportunity/opportunity.py
@@ -265,26 +265,6 @@ def make_quotation(source_name, target_doc=None):
 
 	return doclist
 
-@frappe.whitelist()
-def make_customer(source_name, target_doc=None):
-	def set_missing_values(source, target):
-		if source.opportunity_from == "Lead":
-			target.lead_name = source.party_name
-		if source.opportunity_from == "Prospect":
-			target.prospect = source.party_name
-
-	doclist = get_mapped_doc("Opportunity", source_name, {
-		"Opportunity": {
-			"doctype": "Customer",
-			"field_map": {
-				"currency": "default_currency",
-				"customer_name": "customer_name"
-			}
-		}
-	}, target_doc, set_missing_values)
-
-	return doclist
-
 @frappe.whitelist()
 def make_request_for_quotation(source_name, target_doc=None):
 	def update_item(obj, target, source_parent):