diff --git a/Gemfile b/Gemfile
index b83857d..7a2f050 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,6 +12,3 @@ end
 group :test do
   gem "html-proofer"
 end
-
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]