diff --git a/tools/benchmark/collector.rb b/tools/benchmark/collector.rb
deleted file mode 100644
index b8bbdeb10..000000000
--- a/tools/benchmark/collector.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-# encoding: utf-8
-require "benchmark/ips"
-require "logstash/instrument/collector"
diff --git a/tools/benchmark/event_accessor.rb b/tools/benchmark/event_accessor.rb
deleted file mode 100644
index 018785b51..000000000
--- a/tools/benchmark/event_accessor.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-# encoding: utf-8
-require "benchmark/ips"
-require "logstash/event"
-
-options = { :time => 10, :warmup => 60 }
-puts "Same Event instance"
-
-event = LogStash::Event.new("foo" => {"bar" => {"foobar" => "morebar"} })
-STDERR.puts ""
-STDERR.puts " ----------> event.get(\"[foo][bar][foobar]\") => #{event.get("[foo][bar][foobar]")}"
-STDERR.puts ""
-
-Benchmark.ips do |x|
-  x.config(options)
-
-  x.report("Deep fetch") { event.get("[foo][bar][foobar]") }
-end
diff --git a/tools/benchmark/event_sprintf.rb b/tools/benchmark/event_sprintf.rb
deleted file mode 100644
index 9bce01d6b..000000000
--- a/tools/benchmark/event_sprintf.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-# encoding: utf-8
-require "benchmark/ips"
-require "lib/logstash/event"
-
-options = { :time => 10, :warmup => 10 }
-puts "Same Event instance"
-Benchmark.ips do |x|
-  x.config(options)
-  event = LogStash::Event.new("foo" => "bar",
-                    "foobar" => "morebar")
-
-  x.report("Complex cached: Event#sprintf") { event.sprintf("/first/%{foo}/%{foobar}/%{+YYY-mm-dd}") }
-  x.report("Date only cached: Event#sprintf") { event.sprintf("%{+YYY-mm-dd}") }
-  x.report("string only cached: Event#sprintf") { event.sprintf("bleh") }
-  x.report("key only cached: Event#sprintf") { event.sprintf("%{foo}") }
-  x.compare!
-end
-
-puts "New Event on each iteration"
-Benchmark.ips do |x|
-  x.config(options)
-
-
-  x.report("Complex cached: Event#sprintf") do
-    event = LogStash::Event.new("foo" => "bar",
-                                "foobar" => "morebar")
-    event.sprintf("/first/%{foo}/%{foobar}/%{+YYY-mm-dd}")
-  end
-
-
-  x.report("Date only cached: Event#sprintf") do
-    event = LogStash::Event.new("foo" => "bar",
-                                "foobar" => "morebar")
-
-    event.sprintf("%{+YYY-mm-dd}")
-  end
-
-  x.report("string only cached: Event#sprintf") do
-    event = LogStash::Event.new("foo" => "bar",
-                                "foobar" => "morebar")
-    event.sprintf("bleh")
-  end
-
-  x.report("key only cached: Event#sprintf") do
-    event = LogStash::Event.new("foo" => "bar",
-                                "foobar" => "morebar")
-    event.sprintf("%{foo}")
-  end
-
-  x.compare!
-end