diff --git a/configutilities/configutilities/configutilities/common/validator.py b/configutilities/configutilities/configutilities/common/validator.py
index 12cb6d7b14..072742e355 100755
--- a/configutilities/configutilities/configutilities/common/validator.py
+++ b/configutilities/configutilities/configutilities/common/validator.py
@@ -606,10 +606,6 @@ class ConfigValidator(object):
                 self.configured_vlans.append(self.infra_network.vlan)
                 infrastructure_interface_name += '.' + (
                                                  str(self.infra_network.vlan))
-            elif self.infrastructure_interface == self.management_interface:
-                raise ConfigFail(
-                    "VLAN required for %s_NETWORK since it uses the same "
-                    "interface as another network" % infra_prefix)
 
             mtu = self.infra_network.logical_interface.mtu
             if not is_mtu_valid(mtu):
diff --git a/controllerconfig/controllerconfig/controllerconfig/tests/test_region_config.py b/controllerconfig/controllerconfig/controllerconfig/tests/test_region_config.py
old mode 100755
new mode 100644
index 1fe3cb25e1..d077411e65
--- a/controllerconfig/controllerconfig/controllerconfig/tests/test_region_config.py
+++ b/controllerconfig/controllerconfig/controllerconfig/tests/test_region_config.py
@@ -736,15 +736,6 @@ def test_region_config_validation():
     with pytest.raises(exceptions.ConfigFail):
         validate(region_config, REGION_CONFIG, None, False)
 
-    # Test BLS_VLAN missing
-    region_config = cr.parse_system_config(lag_vlan_regionfile)
-    region_config.remove_option('BLS_NETWORK', 'BLS_VLAN')
-    with pytest.raises(exceptions.ConfigFail):
-        cr.create_cgcs_config_file(None, region_config, None, None, None,
-                                   validate_only=True)
-    with pytest.raises(exceptions.ConfigFail):
-        validate(region_config, REGION_CONFIG, None, False)
-
     # Test overlap of CAN_CIDR
     region_config = cr.parse_system_config(lag_vlan_regionfile)
     region_config.set('CAN_NETWORK', 'CAN_CIDR', '192.168.203.0/26')
diff --git a/controllerconfig/controllerconfig/controllerconfig/tests/test_system_config.py b/controllerconfig/controllerconfig/controllerconfig/tests/test_system_config.py
index 9923078366..c179e7f1f9 100644
--- a/controllerconfig/controllerconfig/controllerconfig/tests/test_system_config.py
+++ b/controllerconfig/controllerconfig/controllerconfig/tests/test_system_config.py
@@ -330,15 +330,6 @@ def test_system_config_validation():
     with pytest.raises(exceptions.ConfigFail):
         validate(system_config, DEFAULT_CONFIG, None, False)
 
-    # Test INFRA_NETWORK VLAN missing
-    system_config = cr.parse_system_config(lag_vlan_systemfile)
-    system_config.remove_option('INFRA_NETWORK', 'VLAN')
-    with pytest.raises(exceptions.ConfigFail):
-        cr.create_cgcs_config_file(None, system_config, None, None, None, 0,
-                                   validate_only=True)
-    with pytest.raises(exceptions.ConfigFail):
-        validate(system_config, DEFAULT_CONFIG, None, False)
-
     # Test overlap of OAM_NETWORK CIDR
     system_config = cr.parse_system_config(lag_vlan_systemfile)
     system_config.set('OAM_NETWORK', 'CIDR', '192.168.203.0/26')