diff --git a/_config.yml b/_config.yml
index 80d3e51..d335437 100755
--- a/_config.yml
+++ b/_config.yml
@@ -43,7 +43,6 @@ defaults:
 exclude:
 - node_modules
 plugins:
-- jekyll-last-modified-at # doesn't work with collections
 - jekyll-seo-tag
 
 liquid: