diff --git a/app/models/fluentd/agent/common.rb b/app/models/fluentd/agent/common.rb
index 698ba3c..15a5f1e 100644
--- a/app/models/fluentd/agent/common.rb
+++ b/app/models/fluentd/agent/common.rb
@@ -30,10 +30,6 @@ class Fluentd
         @extra_options = options
       end
 
-      def wait_process_starting_seconds
-        10.seconds # wait time for fluentd pidfile created
-      end
-
       def errors_since(since = 1.day.ago)
         errors = []
         logged_errors do |error|
diff --git a/app/models/fluentd/agent/fluentd_gem.rb b/app/models/fluentd/agent/fluentd_gem.rb
index 3932c00..88693a1 100644
--- a/app/models/fluentd/agent/fluentd_gem.rb
+++ b/app/models/fluentd/agent/fluentd_gem.rb
@@ -102,6 +102,10 @@ class Fluentd
           false
         end
       end
+
+      def wait_process_starting_seconds
+        10.seconds # wait time for fluentd pidfile created
+      end
     end
   end
 end