diff --git a/test/ruby/test_iseq.rb b/test/ruby/test_iseq.rb
index 9de241c485..9bfd81e21f 100644
--- a/test/ruby/test_iseq.rb
+++ b/test/ruby/test_iseq.rb
@@ -1,8 +1,6 @@
 require 'test/unit'
 require 'tempfile'
 
-return
-
 class TestISeq < Test::Unit::TestCase
   ISeq = RubyVM::InstructionSequence