diff --git a/manifests/init.pp b/manifests/init.pp
index 577a0d7..6efa6d0 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -253,7 +253,7 @@ class vitrage (
   include ::vitrage::deps
   include ::vitrage::logging
 
-  if !is_service_default($rpc_backend) {
+  if $rpc_backend {
     warning("vitrage::rpc_backend is deprecated. Please use \
 vitrage::default_transport_url instead.")
   }
diff --git a/spec/classes/vitrage_init_spec.rb b/spec/classes/vitrage_init_spec.rb
index f5f39cd..20d3f0a 100644
--- a/spec/classes/vitrage_init_spec.rb
+++ b/spec/classes/vitrage_init_spec.rb
@@ -26,7 +26,6 @@ describe 'vitrage' do
       end
 
       it 'configures rabbit' do
-        is_expected.to contain_vitrage_config('DEFAULT/rpc_backend').with_value('rabbit')
         is_expected.to contain_vitrage_config('DEFAULT/transport_url').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_vitrage_config('DEFAULT/rpc_response_timeout').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_vitrage_config('DEFAULT/control_exchange').with_value('<SERVICE DEFAULT>')
@@ -68,7 +67,6 @@ describe 'vitrage' do
       end
 
       it 'configures rabbit' do
-        is_expected.to contain_vitrage_config('DEFAULT/rpc_backend').with_value('rabbit')
         is_expected.to contain_vitrage_config('DEFAULT/transport_url').with_value('rabbit://rabbit_user:password@localhost:5673')
         is_expected.to contain_vitrage_config('DEFAULT/rpc_response_timeout').with_value('120')
         is_expected.to contain_vitrage_config('DEFAULT/control_exchange').with_value('vitrage')