From 62504264cd305533373afe53cc18c6ce098217b8 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Sat, 15 Jan 2022 16:09:51 +1300
Subject: [PATCH 2/2] Remove obsolete support for RFC2109 date/time formatting.

---
 lib/rack/utils.rb  | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/lib/rack/utils.rb b/lib/rack/utils.rb
index 2b61298ee..d28a8127a 100644
--- a/lib/rack/utils.rb
+++ b/lib/rack/utils.rb
@@ -317,21 +317,6 @@ def rfc2822(time)
       time.rfc2822
     end
 
-    # Modified version of stdlib time.rb Time#rfc2822 to use '%d-%b-%Y' instead
-    # of '% %b %Y'.
-    # It assumes that the time is in GMT to comply to the RFC 2109.
-    #
-    # NOTE: I'm not sure the RFC says it requires GMT, but is ambiguous enough
-    # that I'm certain someone implemented only that option.
-    # Do not use %a and %b from Time.strptime, it would use localized names for
-    # weekday and month.
-    #
-    def rfc2109(time)
-      wday = Time::RFC2822_DAY_NAME[time.wday]
-      mon = Time::RFC2822_MONTH_NAME[time.mon - 1]
-      time.strftime("#{wday}, %d-#{mon}-%Y %H:%M:%S GMT")
-    end
-
     # Parses the "Range:" header, if present, into an array of Range objects.
     # Returns nil if the header is missing or syntactically invalid.
     # Returns an empty array if none of the ranges are satisfiable.