diff --git a/lib/metrics/tags.rb b/lib/metrics/tags.rb
index 70477e5..12e0eca 100644
--- a/lib/metrics/tags.rb
+++ b/lib/metrics/tags.rb
@@ -3,8 +3,6 @@
 # Released under the MIT License.
 # Copyright, 2021-2022, by Samuel Williams.
 
-require_relative 'backend'
-
 module Metrics
 	module Tags
 		def self.normalize(tags)