diff --git a/manifests/api.pp b/manifests/api.pp
index cda0359..341d0c0 100644
--- a/manifests/api.pp
+++ b/manifests/api.pp
@@ -76,6 +76,9 @@ class mistral::api (
   include mistral::params
   include mistral::policy
 
+  validate_legacy(Boolean, 'validate_bool', $manage_service)
+  validate_legacy(Boolean, 'validate_bool', $enabled)
+
   if $auth_strategy == 'keystone' {
     include mistral::keystone::authtoken
   }
diff --git a/manifests/engine.pp b/manifests/engine.pp
index 2241897..280ae61 100644
--- a/manifests/engine.pp
+++ b/manifests/engine.pp
@@ -69,6 +69,9 @@ class mistral::engine (
   include mistral::deps
   include mistral::params
 
+  validate_legacy(Boolean, 'validate_bool', $manage_service)
+  validate_legacy(Boolean, 'validate_bool', $enabled)
+
   package { 'mistral-engine':
     ensure => $package_ensure,
     name   => $::mistral::params::engine_package_name,
diff --git a/manifests/event_engine.pp b/manifests/event_engine.pp
index be67af2..91c44ab 100644
--- a/manifests/event_engine.pp
+++ b/manifests/event_engine.pp
@@ -40,6 +40,9 @@ class mistral::event_engine (
   include mistral::deps
   include mistral::params
 
+  validate_legacy(Boolean, 'validate_bool', $manage_service)
+  validate_legacy(Boolean, 'validate_bool', $enabled)
+
   package { 'mistral-event-engine':
     ensure => $package_ensure,
     name   => $::mistral::params::event_engine_package_name,
diff --git a/manifests/executor.pp b/manifests/executor.pp
index 79b1e29..55a45da 100644
--- a/manifests/executor.pp
+++ b/manifests/executor.pp
@@ -40,6 +40,9 @@ class mistral::executor (
   include mistral::deps
   include mistral::params
 
+  validate_legacy(Boolean, 'validate_bool', $manage_service)
+  validate_legacy(Boolean, 'validate_bool', $enabled)
+
   package { 'mistral-executor':
     ensure => $package_ensure,
     name   => $::mistral::params::executor_package_name,
diff --git a/manifests/init.pp b/manifests/init.pp
index 8da8004..47d605f 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -186,6 +186,8 @@ class mistral(
   include mistral::params
   include mistral::db
 
+  validate_legacy(Boolean, 'validate_bool', $sync_db)
+
   package { 'mistral-common':
     ensure => $package_ensure,
     name   => $::mistral::params::common_package_name,