diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 2772a388..948f8366 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -1066,9 +1066,7 @@ Oxygene:
   type: programming
   lexer: Text only
   color: "#5a63a3"
-  primary_extension: .pas
-  extensions:
-  - .oxygene
+  primary_extension: .oxygene
 
 PHP:
   type: programming