diff --git a/lib/puppet-lint.rb b/lib/puppet-lint.rb
index c89d2a61..7926014d 100644
--- a/lib/puppet-lint.rb
+++ b/lib/puppet-lint.rb
@@ -11,7 +11,6 @@
 require 'puppet-lint/checks'
 require 'puppet-lint/report/github'
 require 'puppet-lint/bin'
-require 'puppet-lint/monkeypatches'
 
 class PuppetLint::NoCodeError < StandardError; end
 
diff --git a/lib/puppet-lint/monkeypatches.rb b/lib/puppet-lint/monkeypatches.rb
deleted file mode 100644
index 13200b8f..00000000
--- a/lib/puppet-lint/monkeypatches.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-begin
-  '%{test}' % { test: 'replaced' } == 'replaced'
-rescue StandardError
-  # monkeypatch String#% into Ruby 1.8.7
-  class String
-    Percent = instance_method(:%) unless defined?(Percent)
-
-    def %(*a, &)
-      a.flatten!
-
-      string = case a.last
-               when Hash
-                 expand(a.pop)
-               else
-                 self
-               end
-
-      if a.empty?
-        string
-      else
-        Percent.bind_call(string, a, &)
-      end
-    end
-
-    def expand!(vars = {})
-      loop do
-        changed = false
-        vars.each do |var, value|
-          var = var.to_s
-          var.gsub!(%r{[^a-zA-Z0-9_]}, '')
-          changed = gsub!(%r{%\{#{var}\}}, value.to_s)
-        end
-        break unless changed
-      end
-      self
-    end
-
-    def expand(opts = {})
-      dup.expand!(opts)
-    end
-  end
-end
-
-unless String.respond_to?(:prepend)
-  # monkeypatch String#prepend into Ruby 1.8.7
-  class String
-    def prepend(lead)
-      replace("#{lead}#{self}")
-    end
-  end
-end