diff --git a/config/application.rb b/config/application.rb
index 45e545b2441..b22a7e09e5f 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -362,12 +362,6 @@ def dynflow
 
     def init_dynflow
       dynflow.eager_load_actions!
-
-      if defined?(PhusionPassenger) && !dynflow.config.lazy_initialization
-        PhusionPassenger.on_event(:starting_worker_process) do |forked|
-          dynflow.initialize! if forked
-        end
-      end
     end
 
     def setup_auditing
diff --git a/config/initializers/backtrace_silencers.rb b/config/initializers/backtrace_silencers.rb
index b081f64f01f..04eb36b573e 100644
--- a/config/initializers/backtrace_silencers.rb
+++ b/config/initializers/backtrace_silencers.rb
@@ -9,7 +9,5 @@
       !(Foreman::Plugin.all.any? { |plugin| !plugin.name.nil? && line.include?(plugin.name) })
 end
 
-Rails.backtrace_cleaner.add_silencer { |line| line =~ /passenger/ }
-
 # You can also remove all the silencers if you're trying do debug a problem that might steem from framework code.
 # Rails.backtrace_cleaner.remove_silencers!