diff --git a/lib/jekyll.rb b/lib/jekyll.rb
index ba892e18..eb55fb8e 100644
--- a/lib/jekyll.rb
+++ b/lib/jekyll.rb
@@ -139,7 +139,6 @@ require_all 'jekyll/tags'
 
 # Eventually remove these for 3.0 as non-core
 Jekyll::Deprecator.gracefully_require(%w[
-  classifier
   toml
   jekyll-paginate
   jekyll-gist