diff --git a/test/experiment/ab_test.rb b/test/experiment/ab_test.rb
index d69e3d90..461b1d65 100644
--- a/test/experiment/ab_test.rb
+++ b/test/experiment/ab_test.rb
@@ -35,15 +35,6 @@ def setup
     metric "Coolness"
   end
 
-  def teardown
-    super
-    if RUBY_VERSION == '1.8.7'
-      GC.enable
-      GC.start
-      GC.disable
-    end
-  end
-
   # --  Experiment definition --
 
   def test_requires_at_least_two_alternatives_per_experiment