1 files changed, 4 insertions, 15 deletions
diff --git a/railties/lib/rails/test_unit/runner.rb b/railties/lib/rails/test_unit/runner.rb
index 31ce94a503..c777091b57 100644
--- a/railties/lib/rails/test_unit/runner.rb
+++ b/railties/lib/rails/test_unit/runner.rb
@@ -2,7 +2,6 @@ require "ostruct"
 require "optparse"
 require "rake/file_list"
 require "method_source"
-require "rails/test_unit/reporter"
 
 module Rails
   class TestRunner
@@ -58,17 +57,7 @@ module Rails
     end
 
     def run
-      enable_backtrace if @options[:backtrace]
-
       $rails_test_runner = self
-      def Minitest.plugin_rails_init(options)
-        self.reporter << Rails::TestUnitReporter.new(options[:io], options)
-        if method = $rails_test_runner.find_method
-          options[:filter] = method
-        end
-      end
-      Minitest.extensions << 'rails'
-
       run_tests
     end
 
@@ -82,6 +71,10 @@ module Rails
       method[1] if method
     end
 
+    def show_backtrace?
+      @options[:backtrace]
+    end
+
     private
     def run_tests
       test_files.to_a.each do |file|
@@ -102,10 +95,6 @@ module Rails
       Rake::FileList[pattern]
     end
 
-    def enable_backtrace
-      ENV["BACKTRACE"] = "1"
-    end
-
     def test_methods
       methods_map = []
       suites = Minitest::Runnable.runnables.shuffle