diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index a3330144..89436558 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -391,8 +391,6 @@ edn:
   ace_mode: clojure
   color: "#db5855"
   primary_extension: .edn
-  extensions:
-  - .edn
 
 Eiffel:
   type: programming