diff --git a/test/test_pp.rb b/test/test_pp.rb
index a3e661a9b5..bb2299a3fa 100644
--- a/test/test_pp.rb
+++ b/test/test_pp.rb
@@ -5,15 +5,6 @@ require 'delegate'
 require 'test/unit'
 require 'ruby2_keywords'
 
-# Define bind_call for Ruby 2.6 and earlier, to allow testing on JRuby 9.3
-class UnboundMethod
-  unless public_method_defined?(:bind_call)
-    def bind_call(obj, *args, &block)
-      bind(obj).call(*args, &block)
-    end
-  end
-end
-
 module PPTestModule
 
 class PPTest < Test::Unit::TestCase