diff --git a/README.md b/README.md
index 5ece2ad1f..f0a32fe39 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ or:
 
 ```puppet
 class { 'prometheus::node_exporter':
-  version            => '0.12.0',
+  version            => '0.27.0',
   collectors_disable => ['loadavg', 'mdadm'],
 }
 ```
diff --git a/REFERENCE.md b/REFERENCE.md
index 575d0ef4e..cdc0bdbb5 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -10958,7 +10958,7 @@ Data type: `Stdlib::Port`
 
 
 
-Default value: `9090`
+Default value: `9419`
 
 ##### <a name="-prometheus--rabbitmq_exporter--scrape_job_name"></a>`scrape_job_name`
 
diff --git a/manifests/alertmanager.pp b/manifests/alertmanager.pp
index a85512adb..578eefc1c 100644
--- a/manifests/alertmanager.pp
+++ b/manifests/alertmanager.pp
@@ -252,17 +252,9 @@
       mode   => '0755',
     }
 
-    if( versioncmp($version, '0.12.0') == 1 ) {
-      $options = "--config.file=${prometheus::alertmanager::config_file} --storage.path=${prometheus::alertmanager::storage_path} ${prometheus::alertmanager::extra_options}"
-    } else {
-      $options = "-config.file=${prometheus::alertmanager::config_file} -storage.path=${prometheus::alertmanager::storage_path} ${prometheus::alertmanager::extra_options}"
-    }
+    $options = "--config.file=${prometheus::alertmanager::config_file} --storage.path=${prometheus::alertmanager::storage_path} ${prometheus::alertmanager::extra_options}"
   } else {
-    if( versioncmp($prometheus::alertmanager::version, '0.12.0') == 1 ) {
-      $options = "--config.file=${prometheus::alertmanager::config_file} ${prometheus::alertmanager::extra_options}"
-    } else {
-      $options = "-config.file=${prometheus::alertmanager::config_file} ${prometheus::alertmanager::extra_options}"
-    }
+    $options = "--config.file=${prometheus::alertmanager::config_file} ${prometheus::alertmanager::extra_options}"
   }
 
   prometheus::daemon { $service_name: