diff --git a/test/test_default_commands/test_introspection.rb b/test/test_default_commands/test_introspection.rb
index 8692e2cf..a3580d3d 100644
--- a/test/test_default_commands/test_introspection.rb
+++ b/test/test_default_commands/test_introspection.rb
@@ -94,7 +94,7 @@ describe "Pry::DefaultCommands::Introspection" do
 
       it 'should output an instance method\'s source for a method defined inside pry using define_method' do
         str_output = StringIO.new
-        redirect_pry_io(InputTester.new("class A", "define_method(:yup) {}", "end", "end", "show-method A#yup"), str_output) do
+        redirect_pry_io(InputTester.new("class A", "define_method(:yup) {}", "end", "show-method A#yup"), str_output) do
           TOPLEVEL_BINDING.pry
         end