diff --git a/Changes.md b/Changes.md
index 5f6ded7e82..f121156fb7 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,10 +1,3 @@
-HEAD
------------
-
-- Raise error if application tries to configure Redis after the pool has been
-  established.  Sidekiq's redis connection cannot be dynamically changed
-  at runtime. [#1309]
-
 2.17.0
 -----------
 
diff --git a/lib/sidekiq.rb b/lib/sidekiq.rb
index b7204de821..8e8cec54d2 100644
--- a/lib/sidekiq.rb
+++ b/lib/sidekiq.rb
@@ -68,7 +68,6 @@ def self.redis(&block)
   end
 
   def self.redis=(hash)
-    raise "Sidekiq's redis pool has already been established, cannot configure" if @redis && !$TESTING
     return @redis = hash if hash.is_a?(ConnectionPool)
 
     if hash.is_a?(Hash)