diff --git a/spec/components/email/receiver_spec.rb b/spec/components/email/receiver_spec.rb
index 244598ec160..f5b8fb08ad6 100644
--- a/spec/components/email/receiver_spec.rb
+++ b/spec/components/email/receiver_spec.rb
@@ -622,7 +622,6 @@ describe Email::Receiver do
 
     context "when message sent to a group has no key and find_related_post_with_key is enabled" do
       let!(:topic) do
-        SiteSetting.find_related_post_with_key = true
         process(:email_reply_1)
         Topic.last
       end