1 files changed, 0 insertions, 43 deletions
diff --git a/lib/gitlab/sherlock/middleware.rb b/lib/gitlab/sherlock/middleware.rb
deleted file mode 100644
index f7b08d58e49..00000000000
--- a/lib/gitlab/sherlock/middleware.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  module Sherlock
-    # Rack middleware used for tracking request metrics.
-    class Middleware
-      CONTENT_TYPES = %r{text/html|application/json}i.freeze
-
-      IGNORE_PATHS = %r{^/sherlock}.freeze
-
-      def initialize(app)
-        @app = app
-      end
-
-      # env - A Hash containing Rack environment details.
-      def call(env)
-        if instrument?(env)
-          call_with_instrumentation(env)
-        else
-          @app.call(env)
-        end
-      end
-
-      def call_with_instrumentation(env)
-        trans = transaction_from_env(env)
-        retval = trans.run { @app.call(env) }
-
-        Sherlock.collection.add(trans)
-
-        retval
-      end
-
-      def instrument?(env)
-        !!(env['HTTP_ACCEPT'] =~ CONTENT_TYPES &&
-           env['REQUEST_URI'] !~ IGNORE_PATHS)
-      end
-
-      def transaction_from_env(env)
-        Transaction.new(env['REQUEST_METHOD'], env['REQUEST_URI'])
-      end
-    end
-  end
-end