diff --git a/manifests/processor.pp b/manifests/processor.pp
index 586c636..49948b5 100644
--- a/manifests/processor.pp
+++ b/manifests/processor.pp
@@ -18,7 +18,7 @@
 #
 # [*collector*]
 #   (Optional) Data collector.
-#   Defaults to 'ceilometer'.
+#   Defaults to 'gnocchi'.
 #
 # [*window*]
 #   (Optional) Number of samples to collect per call.
@@ -48,7 +48,7 @@ class cloudkitty::processor (
   $package_ensure    = 'present',
   $manage_service    = true,
   $enabled           = true,
-  $collector         = 'ceilometer',
+  $collector         = 'gnocchi',
   $window            = $::os_service_default,
   $period            = $::os_service_default,
   $wait_periods      = $::os_service_default,
@@ -90,30 +90,15 @@ class cloudkitty::processor (
     'collect/services':     value => $services;
   }
 
-  if $collector == 'ceilometer' {
-    cloudkitty_config{
-      'ceilometer_collector/auth_type':    value => $auth_type;
-      'ceilometer_collector/auth_section': value => $auth_section
-    }
-    cloudkitty_config {
-      'gnocchi_collector/auth_type': ensure => absent;
-      'gnocchi_collector/auth_section': ensure => absent;
-    }
-    $collector_real = $collector
-  } else{
-    warning('Valid values of the collector option are ceilometer and gnocchi')
-    cloudkitty_config{
-      'gnocchi_collector/auth_type':    value => $auth_type;
-      'gnocchi_collector/auth_section': value => $auth_section;
-    }
-    cloudkitty_config {
-      'ceilometer_collector/auth_type':    ensure => absent;
-      'ceilometer_collector/auth_section': ensure => absent;
-    }
-    $collector_real = 'gnocchi'
+  if $collector != 'gnocchi' {
+    warning('Valid value of the collector option is gnocchi')
+    $collector = 'gnocchi'
   }
 
   cloudkitty_config {
-    'collect/collector': value => $collector_real;
+    'collect/collector':              value => $collector;
+    'gnocchi_collector/auth_type':    value => $auth_type;
+    'gnocchi_collector/auth_section': value => $auth_section
   }
+
 }
diff --git a/releasenotes/notes/change_default_value_collector-19a896a02ad1f0c1.yaml b/releasenotes/notes/change_default_value_collector-19a896a02ad1f0c1.yaml
new file mode 100644
index 0000000..378e8bd
--- /dev/null
+++ b/releasenotes/notes/change_default_value_collector-19a896a02ad1f0c1.yaml
@@ -0,0 +1,5 @@
+---
+other:
+  - Change default value from 'ceilometer' to 'gnocchi' for collector option in
+    ::cloudkitty::processer class. Because the ceilometer collector has been
+    removed in cloudkitty repo.
diff --git a/spec/classes/cloudkitty_processor_spec.rb b/spec/classes/cloudkitty_processor_spec.rb
index a0d3a69..b5a5fac 100644
--- a/spec/classes/cloudkitty_processor_spec.rb
+++ b/spec/classes/cloudkitty_processor_spec.rb
@@ -5,7 +5,7 @@ describe 'cloudkitty::processor' do
   let :params do
     { :enabled        => true,
       :manage_service => true,
-      :collector      => 'ceilometer',
+      :collector      => 'gnocchi',
       :period         => '60',
       :wait_periods   => '1',
       :window         => '3600',}
@@ -21,10 +21,8 @@ describe 'cloudkitty::processor' do
       it { is_expected.to contain_cloudkitty_config('collect/window').with_value( params[:window] ) }
       it { is_expected.to contain_cloudkitty_config('collect/period').with_value( params[:period] ) }
       it { is_expected.to contain_cloudkitty_config('collect/wait_periods').with_value( params[:wait_periods] ) }
-      it { is_expected.to contain_cloudkitty_config('ceilometer_collector/auth_type').with_value('password') }
-      it { is_expected.to contain_cloudkitty_config('ceilometer_collector/auth_section').with_value('keystone_authtoken') }
-      it { is_expected.to contain_cloudkitty_config('gnocchi_collector/auth_type').with_ensure('absent') }
-      it { is_expected.to contain_cloudkitty_config('gnocchi_collector/auth_section').with_ensure('absent') }
+      it { is_expected.to contain_cloudkitty_config('gnocchi_collector/auth_type').with_value('password') }
+      it { is_expected.to contain_cloudkitty_config('gnocchi_collector/auth_section').with_value('keystone_authtoken') }
 
       it 'installs cloudkitty-processor package' do
         is_expected.to contain_package('cloudkitty-processor').with(
@@ -47,20 +45,6 @@ describe 'cloudkitty::processor' do
 
     end
 
-    context 'with gnocchi backend' do
-      before do
-        params.merge!({
-          :collector    => 'gnocchi',
-        })
-      end
-
-      it { is_expected.to contain_cloudkitty_config('collect/collector').with_value( params[:collector] ) }
-      it { is_expected.to contain_cloudkitty_config('gnocchi_collector/auth_type').with_value('password') }
-      it { is_expected.to contain_cloudkitty_config('gnocchi_collector/auth_section').with_value('keystone_authtoken') }
-      it { is_expected.to contain_cloudkitty_config('ceilometer_collector/auth_type').with_ensure('absent') }
-      it { is_expected.to contain_cloudkitty_config('ceilometer_collector/auth_section').with_ensure('absent') }
-    end
-
     context 'when disabled' do
       let :params do
         { :enabled => false }