diff --git a/addons/website_sale_comparison/tests/__init__.py b/addons/website_sale_comparison/tests/__init__.py
new file mode 100644
index 00000000000..0a54e54e5cf
--- /dev/null
+++ b/addons/website_sale_comparison/tests/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import test_website_sale_comparison
diff --git a/addons/website_sale_comparison/tests/test_website_sale_comparison.py b/addons/website_sale_comparison/tests/test_website_sale_comparison.py
new file mode 100644
index 00000000000..5913b00bb40
--- /dev/null
+++ b/addons/website_sale_comparison/tests/test_website_sale_comparison.py
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import odoo.tests
+
+
+@odoo.tests.tagged('-at_install', 'post_install')
+class TestWebsiteSaleComparison(odoo.tests.TransactionCase):
+    def test_01_website_sale_comparison_remove(self):
+        """ This tour makes sure the product page still works after the module
+        `website_sale_comparison` has been removed.
+
+        Technically it tests the removal of copied views by the base method
+        `_remove_copied_views`. The problematic view that has to be removed is
+        `product_add_to_compare` because it has a reference to `add_to_compare`.
+        """
+
+        Website0 = self.env['website'].with_context(website_id=None)
+        Website1 = self.env['website'].with_context(website_id=1)
+
+        # Retrieve the generic view
+        product = Website0.viewref('website_sale.product')
+        # Trigger COW to create specific views of the whole tree
+        product.with_context(website_id=1).write({'name': 'Trigger COW'})
+
+        # Verify initial state: the specific views exist
+        self.assertEquals(Website1.viewref('website_sale.product').website_id.id, 1)
+        self.assertEquals(Website1.viewref('website_sale_comparison.product_add_to_compare').website_id.id, 1)
+
+        # Remove the module (use `module_uninstall` because it is enough to test
+        # what we want here, no need/can't use `button_immediate_uninstall`
+        # because it would commit the test transaction)
+        website_sale_comparison = self.env['ir.module.module'].search([('name', '=', 'website_sale_comparison')])
+        website_sale_comparison.module_uninstall()
+
+        # Check that the generic view is correctly removed
+        self.assertFalse(Website0.viewref('website_sale_comparison.product_add_to_compare', raise_if_not_found=False))
+        # Check that the specific view is correctly removed
+        self.assertFalse(Website1.viewref('website_sale_comparison.product_add_to_compare', raise_if_not_found=False))
diff --git a/odoo/addons/base/models/ir_module.py b/odoo/addons/base/models/ir_module.py
index 350b4d7a489..a270a46dfb1 100644
--- a/odoo/addons/base/models/ir_module.py
+++ b/odoo/addons/base/models/ir_module.py
@@ -25,6 +25,7 @@ import lxml.html
 import odoo
 from odoo import api, fields, models, modules, tools, _
 from odoo.exceptions import AccessDenied, UserError
+from odoo.osv import expression
 from odoo.tools.parse_version import parse_version
 from odoo.tools.misc import topological_sort
 from odoo.http import request
@@ -456,9 +457,24 @@ class Module(models.Model):
         """
         modules_to_remove = self.mapped('name')
         self.env['ir.model.data']._module_data_uninstall(modules_to_remove)
+        self._remove_copied_views()
         self.write({'state': 'uninstalled', 'latest_version': False})
         return True
 
+    @api.multi
+    def _remove_copied_views(self):
+        """ Remove the copies of the views installed by the modules in `self`.
+
+        Those copies do not have an external id so they will not be cleaned by
+        `_module_data_uninstall`. This is why we rely on `key` instead.
+
+        It is important to remove these copies because using them will crash if
+        they rely on data that don't exist anymore if the module is removed.
+        """
+        domain = expression.OR([[('key', '=like', m.name + '.%')] for m in self])
+        orphans = self.env['ir.ui.view'].with_context(active_test=False).search(domain)
+        orphans.unlink()
+
     @api.multi
     @api.returns('self')
     def downstream_dependencies(self, known_deps=None,