diff --git a/manifests/cells.pp b/manifests/cells.pp
index 0f4cc5ebe..756e71025 100644
--- a/manifests/cells.pp
+++ b/manifests/cells.pp
@@ -58,10 +58,6 @@
 #    Number of instances to update per periodic task run
 #    Defaults to '1'
 #
-#  [*manager*]
-#    Number of instances to update per periodic task run
-#    Defaults to 'nova.cells.manager.CellsManager'
-#
 #  [*cell_name*]
 #    name of this cell
 #    Defaults to 'nova'
@@ -140,6 +136,12 @@
 #    It might be used by some cell scheduling code in the future
 #    Defaults to '1.0'
 #
+# DEPRECATED
+#
+#  [*manager*]
+#    DEPRECATED. Number of instances to update per periodic task run
+#    Defaults to undef
+#
 class nova::cells (
   $bandwidth_update_interval     = '600',
   $call_timeout                  = '60',
@@ -155,7 +157,6 @@ class nova::cells (
   $instance_updated_at_threshold = '3600',
   $instance_update_num_instances = '1',
   $manage_service                = true,
-  $manager                       = 'nova.cells.manager.CellsManager',
   $max_hop_count                 = '10',
   $mute_child_interval           = '300',
   $mute_weight_multiplier        = '-10.0',
@@ -169,12 +170,18 @@ class nova::cells (
   $scheduler_retry_delay         = '2',
   $scheduler_weight_classes      = 'nova.cells.weights.all_weighers',
   $weight_offset                 = '1.0',
-  $weight_scale                  = '1.0'
+  $weight_scale                  = '1.0',
+  # Deprecated
+  $manager                       = undef,
 ) {
 
   include ::nova::deps
   include ::nova::params
 
+  if $manager {
+    warning('manager parameter is deprecated, has no effect and will be removed in a future release.')
+  }
+
   case $cell_type {
     'parent': {
       nova_config { 'DEFAULT/compute_api_class': value => 'nova.compute.cells_api.ComputeCellsAPI' }
@@ -196,7 +203,6 @@ class nova::cells (
     'cells/enable':                        value => $enabled;
     'cells/instance_updated_at_threshold': value => $instance_updated_at_threshold;
     'cells/instance_update_num_instances': value => $instance_update_num_instances;
-    'cells/manager':                       value => $manager;
     'cells/max_hop_count':                 value => $max_hop_count;
     'cells/mute_child_interval':           value => $mute_child_interval;
     'cells/mute_weight_multiplier':        value => $mute_weight_multiplier;
diff --git a/manifests/compute.pp b/manifests/compute.pp
index 89b734950..18cf4d1c5 100644
--- a/manifests/compute.pp
+++ b/manifests/compute.pp
@@ -65,10 +65,6 @@
 #   Applicable only for cases when Neutron was disabled
 #   Defaults to true
 #
-# [*network_device_mtu*]
-#   (optional) The MTU size for the interfaces managed by nova
-#   Defaults to undef
-#
 # [*instance_usage_audit*]
 #   (optional) Generate periodic compute.instance.exists notifications.
 #   Defaults to false
@@ -87,11 +83,6 @@
 #   The amount of memory in MB reserved for the host.
 #   Defaults to '512'
 #
-#  [*compute_manager*]
-#   Compute manager
-#   The driver that will manage the running instances.
-#   Defaults to nova.compute.manager.ComputeManager
-#
 #  [*pci_passthrough*]
 #   (optional) Pci passthrough hash in format of:
 #   Defaults to undef
@@ -127,6 +118,15 @@
 #   (optional) The availability zone to show internal services under.
 #   Defaults to undef
 #
+#  [*network_device_mtu*]
+#   (optional) Deprecated. The MTU size for the interfaces managed by nova
+#   Defaults to undef
+#
+#  [*compute_manager*]
+#   Deprecated. Compute manager
+#   The driver that will manage the running instances.
+#   Defaults to $::os_service_default
+#
 class nova::compute (
   $enabled                            = true,
   $manage_service                     = true,
@@ -142,12 +142,10 @@ class nova::compute (
   $virtio_nic                         = false,
   $neutron_enabled                    = true,
   $install_bridge_utils               = true,
-  $network_device_mtu                 = undef,
   $instance_usage_audit               = false,
   $instance_usage_audit_period        = 'month',
   $force_raw_images                   = true,
   $reserved_host_memory               = '512',
-  $compute_manager                    = 'nova.compute.manager.ComputeManager',
   $heal_instance_info_cache_interval  = '60',
   $pci_passthrough                    = undef,
   $config_drive_format                = $::os_service_default,
@@ -157,6 +155,8 @@ class nova::compute (
   $default_availability_zone          = undef,
   $default_schedule_zone              = undef,
   $internal_service_availability_zone = undef,
+  $network_device_mtu                 = undef,
+  $compute_manager                    = $::os_service_default,
 ) {
 
   include ::nova::deps
@@ -174,6 +174,14 @@ class nova::compute (
     warning('The internal_service_availability_zone parameter is deprecated and will be removed in a future release. Use internal_service_availability_zone parameter of nova class instead.')
   }
 
+  if $network_device_mtu {
+    warning('network_device_mtu parameter is deprecated, has no effect and will be removed in a future release.')
+  }
+
+  if $compute_manager {
+    warning('compute_manager is marked as deprecated in Nova but still needed when Ironic is used. It will be removed once Nova removes it.')
+  }
+
   include ::nova::availability_zone
 
   nova_config {
@@ -230,16 +238,6 @@ class nova::compute (
     nova_config { 'DEFAULT/libvirt_use_virtio_for_bridges': value => true }
   }
 
-  if $network_device_mtu {
-    nova_config {
-      'DEFAULT/network_device_mtu':   value => $network_device_mtu;
-    }
-  } else {
-    nova_config {
-      'DEFAULT/network_device_mtu':   ensure => absent;
-    }
-  }
-
   if $instance_usage_audit and $instance_usage_audit_period in ['hour', 'day', 'month', 'year'] {
     nova_config {
       'DEFAULT/instance_usage_audit':        value => $instance_usage_audit;
diff --git a/manifests/compute/libvirt.pp b/manifests/compute/libvirt.pp
index 48135ba7f..c63963027 100644
--- a/manifests/compute/libvirt.pp
+++ b/manifests/compute/libvirt.pp
@@ -65,14 +65,6 @@
 #   otherwise, use a boolean to remove or not the base images.
 #   Defaults to undef
 #
-# [*remove_unused_kernels*]
-#   (optional) Should unused kernel images be removed?
-#   This is only safe to enable if all compute nodes
-#   have been updated to support this option.
-#   If undef is specified, remove the line in nova.conf
-#   otherwise, use a boolean to remove or not the kernels.
-#   Defaults to undef
-#
 # [*remove_unused_resized_minimum_age_seconds*]
 #   (optional) Unused resized base images younger
 #   than this will not be removed
@@ -105,6 +97,16 @@
 #   (optional) Compute driver.
 #   Defaults to 'libvirt.LibvirtDriver'
 #
+# DEPRECATED
+#
+# [*remove_unused_kernels*]
+#   (optional) DEPRECATED. Should unused kernel images be removed?
+#   This is only safe to enable if all compute nodes
+#   have been updated to support this option.
+#   If undef is specified, remove the line in nova.conf
+#   otherwise, use a boolean to remove or not the kernels.
+#   Defaults to undef
+#
 class nova::compute::libvirt (
   $ensure_package                             = 'present',
   $libvirt_virt_type                          = 'kvm',
@@ -118,13 +120,14 @@ class nova::compute::libvirt (
   $libvirt_inject_key                         = false,
   $libvirt_inject_partition                   = -2,
   $remove_unused_base_images                  = undef,
-  $remove_unused_kernels                      = undef,
   $remove_unused_resized_minimum_age_seconds  = undef,
   $remove_unused_original_minimum_age_seconds = undef,
   $libvirt_service_name                       = $::nova::params::libvirt_service_name,
   $virtlock_service_name                      = $::nova::params::virtlock_service_name,
   $virtlog_service_name                       = $::nova::params::virtlog_service_name,
-  $compute_driver                             = 'libvirt.LibvirtDriver'
+  $compute_driver                             = 'libvirt.LibvirtDriver',
+  # Deprecated
+  $remove_unused_kernels                      = undef,
 ) inherits nova::params {
 
   include ::nova::deps
@@ -262,14 +265,8 @@ class nova::compute::libvirt (
     }
   }
 
-  if $remove_unused_kernels != undef {
-    nova_config {
-      'libvirt/remove_unused_kernels': value => $remove_unused_kernels;
-    }
-  } else {
-    nova_config {
-      'libvirt/remove_unused_kernels': ensure => absent;
-    }
+  if $remove_unused_kernels {
+    warning('remove_unused_kernels parameter is deprecated, has no effect and will be removed in a future release.')
   }
 
   if $remove_unused_resized_minimum_age_seconds != undef {
diff --git a/manifests/init.pp b/manifests/init.pp
index b1550b07a..811dff324 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -250,10 +250,6 @@
 #   (optional) Path to the rootwrap configuration file to use for running commands as root
 #   Defaults to '/etc/nova/rootwrap.conf'
 #
-# [*use_syslog*]
-#   (optional) Use syslog for logging
-#   Defaults to undef
-#
 # [*use_stderr*]
 #   (optional) Use stderr for logging
 #   Defaults to undef
@@ -370,16 +366,20 @@
 #   (optional) Use IPv6 or not.
 #   Defaults to $::os_service_default
 #
+# [*purge_config*]
+#   (optional) Whether to set only the specified config options
+#   in the nova config.
+#   Defaults to false.
+#
 # DEPRECATED PARAMETERS
 #
 # [*verbose*]
 #   (optional) Set log output to verbose output.
 #   Defaults to undef
 #
-# [*purge_config*]
-#   (optional) Whether to set only the specified config options
-#   in the nova config.
-#   Defaults to false.
+# [*use_syslog*]
+#   (optional) Deprecated. Use syslog for logging
+#   Defaults to undef
 #
 class nova(
   $ensure_package                     = 'present',
@@ -448,7 +448,6 @@ class nova(
   $key_file                           = false,
   $nova_public_key                    = undef,
   $nova_private_key                   = undef,
-  $use_syslog                         = undef,
   $use_stderr                         = undef,
   $log_facility                       = undef,
   $notification_driver                = $::os_service_default,
@@ -470,6 +469,7 @@ class nova(
   $purge_config                       = false,
   # DEPRECATED PARAMETERS
   $verbose                            = undef,
+  $use_syslog                         = undef,
 ) inherits nova::params {
 
   include ::nova::deps
@@ -487,6 +487,10 @@ class nova(
     warning('verbose is deprecated, has no effect and will be removed after Newton cycle.')
   }
 
+  if $use_syslog {
+    warning('use_syslog parameter is deprecated, has no effect and will be removed in a future release.')
+  }
+
   if $use_ssl {
     if !$cert_file {
       fail('The cert_file parameter is required when use_ssl is set to true')
diff --git a/manifests/logging.pp b/manifests/logging.pp
index 5defa53c3..76ee0b3da 100644
--- a/manifests/logging.pp
+++ b/manifests/logging.pp
@@ -8,10 +8,6 @@
 #    (Optional) Should the daemons log debug messages
 #    Defaults to $::os_service_default
 #
-#  [*use_syslog*]
-#    (Optional) Use syslog for logging.
-#    Defaults to $::os_service_default
-#
 #  [*use_stderr*]
 #    (optional) Use stderr for logging
 #    Defaults to $::os_service_default
@@ -92,8 +88,11 @@
 #   DEPRECATED: Parameter has no effect
 #   Defaults to undef
 #
+#  [*use_syslog*]
+#    (Optional) DEPRECATED. Use syslog for logging.
+#    Defaults to undef
+#
 class nova::logging(
-  $use_syslog                    = $::os_service_default,
   $use_stderr                    = $::os_service_default,
   $log_facility                  = $::os_service_default,
   $log_dir                       = '/var/log/nova',
@@ -111,13 +110,13 @@ class nova::logging(
   $log_date_format               = $::os_service_default,
   # DEPRECATED PARAMETERS
   $verbose                       = undef,
+  $use_syslog                    = undef,
 ) {
 
   include ::nova::deps
 
   # NOTE(spredzy): In order to keep backward compatibility we rely on the pick function
   # to use nova::<myparam> first then nova::logging::<myparam>.
-  $use_syslog_real = pick($::nova::use_syslog,$use_syslog)
   $use_stderr_real = pick($::nova::use_stderr,$use_stderr)
   $log_facility_real = pick($::nova::log_facility,$log_facility)
   $log_dir_real = pick($::nova::log_dir,$log_dir)
@@ -127,10 +126,13 @@ class nova::logging(
     warning('verbose is deprecated, has no effect and will be removed after Newton cycle.')
   }
 
+  if $use_syslog {
+    warning('use_syslog is deprecated, has no effect and will be removed in a future release.')
+  }
+
   oslo::log { 'nova_config':
     debug                         => $debug_real,
     use_stderr                    => $use_stderr_real,
-    use_syslog                    => $use_syslog_real,
     log_dir                       => $log_dir_real,
     syslog_log_facility           => $log_facility_real,
     logging_context_format_string => $logging_context_format_string,
diff --git a/releasenotes/notes/newton_deprecations2-397e84f01b7a283e.yaml b/releasenotes/notes/newton_deprecations2-397e84f01b7a283e.yaml
new file mode 100644
index 000000000..030c7c9a2
--- /dev/null
+++ b/releasenotes/notes/newton_deprecations2-397e84f01b7a283e.yaml
@@ -0,0 +1,8 @@
+---
+deprecations:
+  - libvirt remove_unused_kernels, cells manager
+    are deprecated. They have no effect and will be removed in a future
+    release.
+  - DEFAULT use_syslog/network_device_mtu/compute_manager
+    are deprecated. Only compute_manager has effect, because Ironic use.
+    They will be removed in a future release.
diff --git a/spec/classes/nova_cells_spec.rb b/spec/classes/nova_cells_spec.rb
index b0d65037c..d61615420 100644
--- a/spec/classes/nova_cells_spec.rb
+++ b/spec/classes/nova_cells_spec.rb
@@ -36,7 +36,6 @@ describe 'nova::cells' do
      :driver                        => 'nova.cells.rpc_driver.CellsRPCDriver',
      :instance_updated_at_threshold => '3600',
      :instance_update_num_instances => '1',
-     :manager                       => 'nova.cells.manager.CellsManager',
      :max_hop_count                 => '10',
      :mute_child_interval           => '300',
      :mute_weight_multiplier        => '-10.0',
@@ -81,7 +80,6 @@ describe 'nova::cells' do
       is_expected.to contain_nova_config('cells/driver').with(:value => 'nova.cells.rpc_driver.CellsRPCDriver')
       is_expected.to contain_nova_config('cells/instance_updated_at_threshold').with(:value => '3600')
       is_expected.to contain_nova_config('cells/instance_update_num_instances').with(:value => '1')
-      is_expected.to contain_nova_config('cells/manager').with(:value => 'nova.cells.manager.CellsManager')
       is_expected.to contain_nova_config('cells/max_hop_count').with(:value => '10')
       is_expected.to contain_nova_config('cells/mute_child_interval').with(:value => '300')
       is_expected.to contain_nova_config('cells/mute_weight_multiplier').with(:value => '-10.0')
diff --git a/spec/classes/nova_compute_libvirt_spec.rb b/spec/classes/nova_compute_libvirt_spec.rb
index 1dff31f69..40b684c3e 100644
--- a/spec/classes/nova_compute_libvirt_spec.rb
+++ b/spec/classes/nova_compute_libvirt_spec.rb
@@ -56,7 +56,6 @@ describe 'nova::compute::libvirt' do
       it { is_expected.to contain_nova_config('vnc/vncserver_listen').with_value('127.0.0.1')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_ensure('absent')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_original_minimum_age_seconds').with_ensure('absent')}
-      it { is_expected.to contain_nova_config('libvirt/remove_unused_kernels').with_ensure('absent')}
       it { is_expected.to contain_nova_config('libvirt/remove_unused_resized_minimum_age_seconds').with_ensure('absent')}
     end
 
@@ -70,7 +69,6 @@ describe 'nova::compute::libvirt' do
           :libvirt_disk_cachemodes                    => ['file=directsync','block=none'],
           :libvirt_hw_disk_discard                    => 'unmap',
           :remove_unused_base_images                  => true,
-          :remove_unused_kernels                      => true,
           :remove_unused_resized_minimum_age_seconds  => 3600,
           :remove_unused_original_minimum_age_seconds => 3600,
           :libvirt_service_name                       => 'custom_service',
@@ -93,7 +91,6 @@ describe 'nova::compute::libvirt' do
       it { is_expected.to contain_nova_config('vnc/vncserver_listen').with_value('0.0.0.0')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_value(true)}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_original_minimum_age_seconds').with_value(3600)}
-      it { is_expected.to contain_nova_config('libvirt/remove_unused_kernels').with_value(true)}
       it { is_expected.to contain_nova_config('libvirt/remove_unused_resized_minimum_age_seconds').with_value(3600)}
       it {
         is_expected.to contain_service('libvirt').with(
@@ -239,7 +236,6 @@ describe 'nova::compute::libvirt' do
       it { is_expected.to contain_nova_config('vnc/vncserver_listen').with_value('127.0.0.1')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_ensure('absent')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_original_minimum_age_seconds').with_ensure('absent')}
-      it { is_expected.to contain_nova_config('libvirt/remove_unused_kernels').with_ensure('absent')}
       it { is_expected.to contain_nova_config('libvirt/remove_unused_resized_minimum_age_seconds').with_ensure('absent')}
     end
 
@@ -248,7 +244,6 @@ describe 'nova::compute::libvirt' do
         { :libvirt_virt_type                          => 'qemu',
           :vncserver_listen                           => '0.0.0.0',
           :remove_unused_base_images                  => true,
-          :remove_unused_kernels                      => true,
           :remove_unused_resized_minimum_age_seconds  => 3600,
           :remove_unused_original_minimum_age_seconds => 3600
         }
@@ -258,7 +253,6 @@ describe 'nova::compute::libvirt' do
       it { is_expected.to contain_nova_config('vnc/vncserver_listen').with_value('0.0.0.0')}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_base_images').with_value(true)}
       it { is_expected.to contain_nova_config('DEFAULT/remove_unused_original_minimum_age_seconds').with_value(3600)}
-      it { is_expected.to contain_nova_config('libvirt/remove_unused_kernels').with_value(true)}
       it { is_expected.to contain_nova_config('libvirt/remove_unused_resized_minimum_age_seconds').with_value(3600)}
       it { is_expected.to contain_package('libvirt').with(
         :name   => 'libvirt-daemon-kvm',
diff --git a/spec/classes/nova_compute_spec.rb b/spec/classes/nova_compute_spec.rb
index f8c39cca5..a6abb6d8e 100644
--- a/spec/classes/nova_compute_spec.rb
+++ b/spec/classes/nova_compute_spec.rb
@@ -24,7 +24,6 @@ describe 'nova::compute' do
         })
       end
 
-      it { is_expected.to contain_nova_config('DEFAULT/network_device_mtu').with(:ensure => 'absent') }
       it { is_expected.to contain_nova_config('DEFAULT/allow_resize_to_same_host').with(:value => 'false') }
       it { is_expected.to contain_nova_config('DEFAULT/vcpu_pin_set').with(:value => '<SERVICE DEFAULT>') }
       it { is_expected.to_not contain_nova_config('vnc/novncproxy_base_url') }
@@ -59,7 +58,6 @@ describe 'nova::compute' do
         { :enabled                            => false,
           :ensure_package                     => '2012.1-2',
           :vncproxy_host                      => '127.0.0.1',
-          :network_device_mtu                 => 9999,
           :force_raw_images                   => false,
           :reserved_host_memory               => '0',
           :compute_manager                    => 'ironic.nova.compute.manager.ClusteredComputeManager',
@@ -93,10 +91,6 @@ describe 'nova::compute' do
         is_expected.to contain_nova_config('DEFAULT/compute_manager').with_value('ironic.nova.compute.manager.ClusteredComputeManager')
       end
 
-      it 'configures network_device_mtu' do
-        is_expected.to contain_nova_config('DEFAULT/network_device_mtu').with_value('9999')
-      end
-
       it 'configures vnc in nova.conf' do
         is_expected.to contain_nova_config('vnc/enabled').with_value(true)
         is_expected.to contain_nova_config('vnc/vncserver_proxyclient_address').with_value('127.0.0.1')
diff --git a/spec/classes/nova_logging_spec.rb b/spec/classes/nova_logging_spec.rb
index e53f7ad69..f53dfea02 100644
--- a/spec/classes/nova_logging_spec.rb
+++ b/spec/classes/nova_logging_spec.rb
@@ -23,7 +23,6 @@ describe 'nova::logging' do
      :instance_format => '[instance: %(uuid)s] ',
      :instance_uuid_format => '[instance: %(uuid)s] ',
      :log_date_format => '%Y-%m-%d %H:%M:%S',
-     :use_syslog => true,
      :use_stderr => false,
      :log_facility => 'LOG_FOO',
      :log_dir => '/var/log',
@@ -55,7 +54,6 @@ describe 'nova::logging' do
 
   shared_examples 'basic default logging settings' do
     it 'configures nova logging settins with default values' do
-      is_expected.to contain_nova_config('DEFAULT/use_syslog').with(:value => '<SERVICE DEFAULT>')
       is_expected.to contain_nova_config('DEFAULT/use_stderr').with(:value => '<SERVICE DEFAULT>')
       is_expected.to contain_nova_config('DEFAULT/log_dir').with(:value => '/var/log/nova')
       is_expected.to contain_nova_config('DEFAULT/debug').with(:value => '<SERVICE DEFAULT>')
@@ -64,7 +62,6 @@ describe 'nova::logging' do
 
   shared_examples 'basic non-default logging settings' do
     it 'configures nova logging settins with non-default values' do
-      is_expected.to contain_nova_config('DEFAULT/use_syslog').with(:value => 'true')
       is_expected.to contain_nova_config('DEFAULT/use_stderr').with(:value => 'false')
       is_expected.to contain_nova_config('DEFAULT/syslog_log_facility').with(:value => 'LOG_FOO')
       is_expected.to contain_nova_config('DEFAULT/log_dir').with(:value => '/var/log')