diff --git a/manifests/services/bgpvpn.pp b/manifests/services/bgpvpn.pp
index c544b3c11..13f9283a6 100644
--- a/manifests/services/bgpvpn.pp
+++ b/manifests/services/bgpvpn.pp
@@ -70,7 +70,7 @@ class neutron::services::bgpvpn (
 
   if $sync_db {
     exec { 'bgpvpn-db-sync':
-      command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-bgpvpn upgrade head',
+      command     => 'neutron-db-manage --subproject networking-bgpvpn upgrade head',
       path        => '/usr/bin',
       user        => $::neutron::params::user,
       subscribe   => [
diff --git a/manifests/services/l2gw.pp b/manifests/services/l2gw.pp
index c31df3042..833ff3bba 100644
--- a/manifests/services/l2gw.pp
+++ b/manifests/services/l2gw.pp
@@ -85,7 +85,7 @@ class neutron::services::l2gw (
 
   if $sync_db {
     exec { 'l2gw-db-sync':
-      command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-l2gw upgrade head',
+      command     => 'neutron-db-manage --subproject networking-l2gw upgrade head',
       path        => '/usr/bin',
       user        => $::neutron::params::user,
       subscribe   => [
diff --git a/manifests/services/sfc.pp b/manifests/services/sfc.pp
index 260ab80e2..ebbb8cd70 100644
--- a/manifests/services/sfc.pp
+++ b/manifests/services/sfc.pp
@@ -70,7 +70,7 @@ class neutron::services::sfc (
 
   if $sync_db {
     exec { 'sfc-db-sync':
-      command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-sfc upgrade head',
+      command     => 'neutron-db-manage --subproject networking-sfc upgrade head',
       path        => '/usr/bin',
       user        => $::neutron::params::user,
       subscribe   => [
diff --git a/manifests/services/taas.pp b/manifests/services/taas.pp
index 361acd41c..91b4d0eb7 100644
--- a/manifests/services/taas.pp
+++ b/manifests/services/taas.pp
@@ -65,7 +65,7 @@ class neutron::services::taas (
 
   if $sync_db {
     exec { 'taas-db-sync':
-      command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject tap-as-a-service upgrade head',
+      command     => 'neutron-db-manage --subproject tap-as-a-service upgrade head',
       path        => '/usr/bin',
       user        => $::neutron::params::user,
       subscribe   => [
diff --git a/manifests/services/vpnaas.pp b/manifests/services/vpnaas.pp
index a102e18bc..ca56b7279 100644
--- a/manifests/services/vpnaas.pp
+++ b/manifests/services/vpnaas.pp
@@ -53,7 +53,7 @@ class neutron::services::vpnaas (
 
   if $sync_db {
     exec { 'vpnaas-db-sync':
-      command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject neutron-vpnaas upgrade head',
+      command     => 'neutron-db-manage --subproject neutron-vpnaas upgrade head',
       path        => '/usr/bin',
       user        => $::neutron::params::user,
       subscribe   => [
diff --git a/spec/classes/neutron_services_bgpvpn_spec.rb b/spec/classes/neutron_services_bgpvpn_spec.rb
index dc44ffd33..7f6469fc3 100644
--- a/spec/classes/neutron_services_bgpvpn_spec.rb
+++ b/spec/classes/neutron_services_bgpvpn_spec.rb
@@ -49,7 +49,7 @@ describe 'neutron::services::bgpvpn' do
 
       it 'runs neutron-db-manage' do
         should contain_exec('bgpvpn-db-sync').with(
-          :command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-bgpvpn upgrade head',
+          :command     => 'neutron-db-manage --subproject networking-bgpvpn upgrade head',
           :path        => '/usr/bin',
           :user        => 'neutron',
           :subscribe   => ['Anchor[neutron::install::end]',
diff --git a/spec/classes/neutron_services_l2gw_spec.rb b/spec/classes/neutron_services_l2gw_spec.rb
index 8bab73b98..f0386f585 100644
--- a/spec/classes/neutron_services_l2gw_spec.rb
+++ b/spec/classes/neutron_services_l2gw_spec.rb
@@ -74,7 +74,7 @@ describe 'neutron::services::l2gw' do
 
       it 'runs neutron-db-manage' do
         should contain_exec('l2gw-db-sync').with(
-          :command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-l2gw upgrade head',
+          :command     => 'neutron-db-manage --subproject networking-l2gw upgrade head',
           :path        => '/usr/bin',
           :user        => 'neutron',
           :subscribe   => ['Anchor[neutron::install::end]',
diff --git a/spec/classes/neutron_services_sfc_spec.rb b/spec/classes/neutron_services_sfc_spec.rb
index 65d2d74a9..bfd2d3105 100644
--- a/spec/classes/neutron_services_sfc_spec.rb
+++ b/spec/classes/neutron_services_sfc_spec.rb
@@ -45,7 +45,7 @@ describe 'neutron::services::sfc' do
 
       it 'runs neutron-db-manage' do
         should contain_exec('sfc-db-sync').with(
-          :command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject networking-sfc upgrade head',
+          :command     => 'neutron-db-manage --subproject networking-sfc upgrade head',
           :path        => '/usr/bin',
           :user        => 'neutron',
           :subscribe   => ['Anchor[neutron::install::end]',
diff --git a/spec/classes/neutron_services_taas_spec.rb b/spec/classes/neutron_services_taas_spec.rb
index da7dd19ed..741fc06e1 100644
--- a/spec/classes/neutron_services_taas_spec.rb
+++ b/spec/classes/neutron_services_taas_spec.rb
@@ -48,7 +48,7 @@ describe 'neutron::services::taas' do
 
       it 'runs neutron-db-manage' do
         should contain_exec('taas-db-sync').with(
-          :command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject tap-as-a-service upgrade head',
+          :command     => 'neutron-db-manage --subproject tap-as-a-service upgrade head',
           :path        => '/usr/bin',
           :user        => 'neutron',
           :subscribe   => ['Anchor[neutron::install::end]',
diff --git a/spec/classes/neutron_services_vpnaas_spec.rb b/spec/classes/neutron_services_vpnaas_spec.rb
index 33218da28..831fd9b0f 100644
--- a/spec/classes/neutron_services_vpnaas_spec.rb
+++ b/spec/classes/neutron_services_vpnaas_spec.rb
@@ -33,7 +33,7 @@ describe 'neutron::services::vpnaas' do
 
       it 'runs neutron-db-manage' do
         should contain_exec('vpnaas-db-sync').with(
-          :command     => 'neutron-db-manage --config-file /etc/neutron/neutron.conf --subproject neutron-vpnaas upgrade head',
+          :command     => 'neutron-db-manage --subproject neutron-vpnaas upgrade head',
           :path        => '/usr/bin',
           :user        => 'neutron',
           :subscribe   => ['Anchor[neutron::install::end]',