diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
index 7a4d40d..4f268a2 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
@@ -1,5 +1,6 @@
 {
  "allow_copy": 0, 
+ "allow_guest_to_view": 0, 
  "allow_import": 0, 
  "allow_rename": 0, 
  "beta": 0, 
@@ -25,7 +26,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 1, 
+   "in_standard_filter": 0, 
    "label": "Make Accounting Entry For Every Stock Movement", 
    "length": 0, 
    "no_copy": 0, 
@@ -33,6 +36,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -51,7 +55,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 1, 
+   "in_standard_filter": 0, 
    "label": "Accounts Frozen Upto", 
    "length": 0, 
    "no_copy": 0, 
@@ -59,6 +65,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -77,7 +84,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 1, 
+   "in_standard_filter": 0, 
    "label": "Role Allowed to Set Frozen Accounts & Edit Frozen Entries", 
    "length": 0, 
    "no_copy": 0, 
@@ -86,6 +95,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -103,7 +113,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 0, 
+   "in_standard_filter": 0, 
    "length": 0, 
    "no_copy": 0, 
    "permlevel": 0, 
@@ -111,6 +123,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -129,7 +142,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 1, 
+   "in_standard_filter": 0, 
    "label": "Credit Controller", 
    "length": 0, 
    "no_copy": 0, 
@@ -138,6 +153,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -155,7 +171,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 0, 
+   "in_standard_filter": 0, 
    "label": "Check Supplier Invoice Number Uniqueness", 
    "length": 0, 
    "no_copy": 0, 
@@ -164,6 +182,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -181,7 +200,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 0, 
+   "in_standard_filter": 0, 
    "label": "Make Payment via Journal Entry", 
    "length": 0, 
    "no_copy": 0, 
@@ -190,6 +211,7 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -208,7 +230,9 @@
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 0, 
+   "in_global_search": 0, 
    "in_list_view": 0, 
+   "in_standard_filter": 0, 
    "label": "Unlink Payment on Cancellation of Invoice", 
    "length": 0, 
    "no_copy": 0, 
@@ -217,6 +241,37 @@
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
+   "default": "1", 
+   "fieldname": "book_asset_depreciation_entry_automatically", 
+   "fieldtype": "Check", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Book Asset Depreciation Entry Automatically", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -224,18 +279,18 @@
    "unique": 0
   }
  ], 
+ "has_web_view": 0, 
  "hide_heading": 0, 
  "hide_toolbar": 0, 
- "icon": "fa fa-cog", 
+ "icon": "icon-cog", 
  "idx": 1, 
  "image_view": 0, 
  "in_create": 0, 
- "in_dialog": 0, 
  "is_submittable": 0, 
  "issingle": 1, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2016-10-20 16:12:38.595075", 
+ "modified": "2017-04-18 13:35:59.166250", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Accounts Settings", 
@@ -251,7 +306,6 @@
    "export": 0, 
    "if_owner": 0, 
    "import": 0, 
-   "is_custom": 0, 
    "permlevel": 0, 
    "print": 1, 
    "read": 1, 
@@ -266,6 +320,8 @@
  "quick_entry": 1, 
  "read_only": 0, 
  "read_only_onload": 0, 
+ "show_name_in_global_search": 0, 
  "sort_order": "ASC", 
+ "track_changes": 1, 
  "track_seen": 0
 }
\ No newline at end of file
diff --git a/erpnext/accounts/doctype/asset/depreciation.py b/erpnext/accounts/doctype/asset/depreciation.py
index 15c155c..397342d 100644
--- a/erpnext/accounts/doctype/asset/depreciation.py
+++ b/erpnext/accounts/doctype/asset/depreciation.py
@@ -8,6 +8,10 @@
 from frappe.utils import flt, today, getdate
 
 def post_depreciation_entries(date=None):
+	# Return if automatic booking of asset depreciation is disabled
+	if not frappe.db.get_value("Accounts Settings", None, "book_asset_depreciation_entry_automatically"):
+		return
+		
 	if not date:
 		date = today()
 	for asset in get_depreciable_assets(date):
diff --git a/erpnext/accounts/doctype/asset/test_asset.py b/erpnext/accounts/doctype/asset/test_asset.py
index 51496b9..000bc5c 100644
--- a/erpnext/accounts/doctype/asset/test_asset.py
+++ b/erpnext/accounts/doctype/asset/test_asset.py
@@ -166,6 +166,23 @@
 
 		self.assertEqual(gle, expected_gle)
 		self.assertEqual(asset.get("value_after_depreciation"), 70000)
+		
+	def test_depreciation_entry_cancellation(self):
+		asset = frappe.get_doc("Asset", "Macbook Pro 1")
+		asset.submit()
+		post_depreciation_entries(date="2021-01-01")
+		
+		asset.load_from_db()
+		
+		# cancel depreciation entry
+		depr_entry = asset.get("schedules")[0].journal_entry
+		self.assertTrue(depr_entry)
+		frappe.get_doc("Journal Entry", depr_entry).cancel()
+		
+		asset.load_from_db()
+		depr_entry = asset.get("schedules")[0].journal_entry
+		self.assertFalse(depr_entry)
+		
 
 	def test_scrap_asset(self):
 		asset = frappe.get_doc("Asset", "Macbook Pro 1")
@@ -297,4 +314,7 @@
 	company.depreciation_expense_account = "_Test Depreciations - _TC"
 	company.disposal_account = "_Test Gain/Loss on Asset Disposal - _TC"
 	company.depreciation_cost_center = "_Test Cost Center - _TC"
-	company.save()
\ No newline at end of file
+	company.save()
+	
+	# Enable booking asset depreciation entry automatically
+	frappe.db.set_value("Accounts Settings", None, "book_asset_depreciation_entry_automatically", 1)
\ No newline at end of file
diff --git a/erpnext/accounts/doctype/journal_entry/journal_entry.py b/erpnext/accounts/doctype/journal_entry/journal_entry.py
index a471c48..b9b8fc2 100644
--- a/erpnext/accounts/doctype/journal_entry/journal_entry.py
+++ b/erpnext/accounts/doctype/journal_entry/journal_entry.py
@@ -72,6 +72,7 @@
 		self.update_expense_claim()
 		self.update_employee_loan()
 		self.unlink_advance_entry_reference()
+		self.unlink_asset_reference()
 
 	def unlink_advance_entry_reference(self):
 		for d in self.get("accounts"):
@@ -81,6 +82,18 @@
 				d.reference_type = ''
 				d.reference_name = ''
 				d.db_update()
+				
+	def unlink_asset_reference(self):
+		for d in self.get("accounts"):
+			if d.reference_type=="Asset" and d.reference_name:
+				asset = frappe.get_doc("Asset", d.reference_name)
+				for s in asset.get("schedules"):
+					if s.journal_entry == self.name:
+						s.db_set("journal_entry", None)
+						asset.value_after_depreciation += s.depreciation_amount
+
+						asset.db_set("value_after_depreciation", asset.value_after_depreciation)
+						asset.set_status()
 
 	def validate_party(self):
 		for d in self.get("accounts"):
diff --git a/erpnext/demo/user/fixed_asset.py b/erpnext/demo/user/fixed_asset.py
index bf3199e..b2db39c 100644
--- a/erpnext/demo/user/fixed_asset.py
+++ b/erpnext/demo/user/fixed_asset.py
@@ -18,6 +18,9 @@
 		# fixed_asset.work() already run
 		return
 		
+	# Enable booking asset depreciation entry automatically
+	frappe.db.set_value("Accounts Settings", None, "book_asset_depreciation_entry_automatically", 1)
+		
 	# post depreciation entries as on today
 	post_depreciation_entries()
 	
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 2cd3a2c..111cd65 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -387,4 +387,5 @@
 erpnext.patches.v8_0.update_supplier_address_in_stock_entry
 erpnext.patches.v8_0.rename_is_sample_item_to_allow_zero_valuation_rate
 erpnext.patches.v8_0.set_null_to_serial_nos_for_disabled_sales_invoices
-erpnext.patches.v8_0.set_project_copied_from
\ No newline at end of file
+erpnext.patches.v8_0.enable_booking_asset_depreciation_automatically
+erpnext.patches.v8_0.set_project_copied_from
diff --git a/erpnext/patches/v8_0/enable_booking_asset_depreciation_automatically.py b/erpnext/patches/v8_0/enable_booking_asset_depreciation_automatically.py
new file mode 100644
index 0000000..1088d70
--- /dev/null
+++ b/erpnext/patches/v8_0/enable_booking_asset_depreciation_automatically.py
@@ -0,0 +1,9 @@
+# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	frappe.db.set_value("Accounts Settings", None, 
+		"book_asset_depreciation_entry_automatically", 1)
\ No newline at end of file