diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index cf628f11db..4ae91dce75 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -13,11 +13,7 @@
   Encoding.default_external = Encoding::UTF_8
 end
 
-if ENV["TRAVIS"]
-  PROCESS_COUNT = 0
-else
-  PROCESS_COUNT = (ENV["MT_CPU"] || 4).to_i
-end
+PROCESS_COUNT = (ENV["MT_CPU"] || 4).to_i
 
 require "active_support/testing/autorun"
 require "abstract_controller"