diff --git a/neutron/conf/plugins/ml2/drivers/openvswitch/mech_ovs_conf.py b/neutron/conf/plugins/ml2/drivers/openvswitch/mech_ovs_conf.py
index 5e34ff2c47a..db2571e2e7f 100644
--- a/neutron/conf/plugins/ml2/drivers/openvswitch/mech_ovs_conf.py
+++ b/neutron/conf/plugins/ml2/drivers/openvswitch/mech_ovs_conf.py
@@ -30,7 +30,7 @@ ovs_driver_opts = [
                        "Note that direct is supported only from kernel 4.8, "
                        "and from ovs 2.8.0. Bind DIRECT (SR-IOV) port allows "
                        "to offload the OVS flows using tc to the SR-IOV NIC. "
-                       "This allows to  support hardware offload via tc and "
+                       "This allows to support hardware offload via tc and "
                        "that allows us to manage the VF by OpenFlow control "
                        "plane using representor net-device.")),
 ]
diff --git a/neutron/conf/plugins/ml2/drivers/ovs_conf.py b/neutron/conf/plugins/ml2/drivers/ovs_conf.py
index 113130d669f..79f7dd46a2b 100644
--- a/neutron/conf/plugins/ml2/drivers/ovs_conf.py
+++ b/neutron/conf/plugins/ml2/drivers/ovs_conf.py
@@ -153,7 +153,7 @@ agent_opts = [
                 help=_("Reset flow table on start. Setting this to True will "
                        "cause brief traffic interruption.")),
     cfg.BoolOpt('tunnel_csum', default=False,
-                help=_("Set or un-set the tunnel header checksum  on "
+                help=_("Set or un-set the tunnel header checksum on "
                        "outgoing IP packet carrying GRE/VXLAN tunnel.")),
     cfg.StrOpt('agent_type', default=n_const.AGENT_TYPE_OVS,
                deprecated_for_removal=True,
diff --git a/neutron/db/l3_db.py b/neutron/db/l3_db.py
index fc93c75c27d..ec23c4b1fa4 100644
--- a/neutron/db/l3_db.py
+++ b/neutron/db/l3_db.py
@@ -1579,7 +1579,7 @@ class L3_NAT_dbonly_mixin(l3.RouterPluginBase,
                 return
         elif not self._router_exists(context, port['device_id']):
             LOG.debug("Router %(router_id)s corresponding to port "
-                      "%(port_id)s  no longer exists, allowing deletion.",
+                      "%(port_id)s no longer exists, allowing deletion.",
                       {'router_id': port['device_id'],
                        'port_id': port['id']})
             return