diff --git a/vmware_nsx/plugins/common_v3/plugin.py b/vmware_nsx/plugins/common_v3/plugin.py
index 96ca7941b3..384aa2cb2f 100644
--- a/vmware_nsx/plugins/common_v3/plugin.py
+++ b/vmware_nsx/plugins/common_v3/plugin.py
@@ -2782,26 +2782,6 @@ class NsxPluginV3Base(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
                     LOG.error(msg)
                     raise n_exc.InvalidInput(error_message=msg)
 
-        # Ensure that the NSX uplink cidr does not lie on the same subnet as
-        # the external subnet
-        filters = {'id': [subnet['network_id']],
-                   'router:external': [True]}
-        external_nets = self.get_networks(context, filters=filters)
-        tier0_routers = [ext_net[pnet.PHYSICAL_NETWORK]
-                         for ext_net in external_nets
-                         if ext_net.get(pnet.PHYSICAL_NETWORK)]
-
-        for tier0_rtr in set(tier0_routers):
-            tier0_cidrs = self._get_tier0_uplink_cidrs(tier0_rtr)
-            for cidr in tier0_cidrs:
-                tier0_subnet = netaddr.IPNetwork(cidr).cidr
-                for subnet_network in subnet_networks:
-                    if self._cidrs_overlap(tier0_subnet, subnet_network):
-                        msg = _("External subnet cannot overlap with T0 "
-                                "router cidr %s") % cidr
-                        LOG.error(msg)
-                        raise n_exc.InvalidInput(error_message=msg)
-
     def _need_router_no_dnat_rules(self, subnet):
         # NAT is not supported for IPv6
         return (subnet['ip_version'] == 4)
diff --git a/vmware_nsx/tests/unit/nsx_p/test_plugin.py b/vmware_nsx/tests/unit/nsx_p/test_plugin.py
index dd52d6fc21..c95e672011 100644
--- a/vmware_nsx/tests/unit/nsx_p/test_plugin.py
+++ b/vmware_nsx/tests/unit/nsx_p/test_plugin.py
@@ -1362,41 +1362,6 @@ class NsxPTestSubnets(common_v3.NsxV3TestSubnets,
         kwargs.update({'override': overrides})
         return self._create_bulk(fmt, number, 'subnet', base_data, **kwargs)
 
-    def test_create_external_subnet_with_conflicting_t0_address(self):
-        with self._create_l3_ext_network() as network:
-            data = {'subnet': {'network_id': network['network']['id'],
-                               'cidr': '172.20.1.0/24',
-                               'name': 'sub1',
-                               'enable_dhcp': False,
-                               'dns_nameservers': None,
-                               'allocation_pools': None,
-                               'tenant_id': 'tenant_one',
-                               'host_routes': None,
-                               'ip_version': 4}}
-            with mock.patch.object(self.plugin.nsxpolicy.tier0,
-                                   'get_uplink_cidrs',
-                                   return_value=['172.20.1.60/24']):
-                self.assertRaises(n_exc.InvalidInput,
-                                  self.plugin.create_subnet,
-                                  context.get_admin_context(), data)
-
-    def test_create_external_subnet_with_non_conflicting_t0_address(self):
-        with self._create_l3_ext_network() as network:
-            data = {'subnet': {'network_id': network['network']['id'],
-                               'cidr': '172.20.1.0/24',
-                               'name': 'sub1',
-                               'enable_dhcp': False,
-                               'dns_nameservers': None,
-                               'allocation_pools': None,
-                               'tenant_id': 'tenant_one',
-                               'host_routes': None,
-                               'ip_version': 4}}
-            with mock.patch.object(self.plugin.nsxpolicy.tier0,
-                                   'get_uplink_ips',
-                                   return_value=['172.20.2.60']):
-                self.plugin.create_subnet(
-                    context.get_admin_context(), data)
-
     @common_v3.with_disable_dhcp_once
     def test_create_subnet_ipv6_slaac_with_port_on_network(self):
         super(NsxPTestSubnets,
diff --git a/vmware_nsx/tests/unit/nsx_v3/test_plugin.py b/vmware_nsx/tests/unit/nsx_v3/test_plugin.py
index c83b1fd8c2..417c119fca 100644
--- a/vmware_nsx/tests/unit/nsx_v3/test_plugin.py
+++ b/vmware_nsx/tests/unit/nsx_v3/test_plugin.py
@@ -837,27 +837,6 @@ class TestSubnetsV2(common_v3.NsxV3TestSubnets, NsxV3PluginTestCaseMixin):
                                    network_req.get_response(self.api))
         return network
 
-    def test_create_subnet_with_conflicting_t0_address(self):
-        network = self._create_external_network()
-        data = {'subnet': {'network_id': network['network']['id'],
-                           'cidr': '172.20.1.0/24',
-                           'name': 'sub1',
-                           'enable_dhcp': False,
-                           'dns_nameservers': None,
-                           'allocation_pools': None,
-                           'tenant_id': 'tenant_one',
-                           'host_routes': None,
-                           'ip_version': 4}}
-        ports = [{'subnets': [{'ip_addresses': [u'172.20.1.60'],
-                               'prefix_length': 24}],
-                  'resource_type': 'LogicalRouterUpLinkPort'}]
-        with mock.patch.object(self.plugin.nsxlib.logical_router_port,
-                               'get_by_router_id',
-                               return_value=ports):
-            self.assertRaises(n_exc.InvalidInput,
-                              self.plugin.create_subnet,
-                              context.get_admin_context(), data)
-
     def test_subnet_native_dhcp_subnet_enabled(self):
         self._enable_native_dhcp_md()
         with self.network() as network: