diff --git a/erpnext/selling/doctype/customer/customer.js b/erpnext/selling/doctype/customer/customer.js
index 54f974c..0f8602a 100644
--- a/erpnext/selling/doctype/customer/customer.js
+++ b/erpnext/selling/doctype/customer/customer.js
@@ -42,6 +42,17 @@
 			}
 		})
 	},
+	customer_primary_address: function(frm){
+		if(!frm.doc.customer_primary_address){
+			frm.doc.primary_address = ""
+		}
+	},
+	customer_primary_contact: function(frm){
+		if(!frm.doc.customer_primary_contact){
+			frm.doc.mobile_no = "";
+			frm.doc.email_id = "";
+		}
+	},
 
 	refresh: function(frm) {
 		if(frappe.defaults.get_default("cust_master_name")!="Naming Series") {