diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index bdaf66fe..45a9bec0 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -111,7 +111,6 @@ Alloy:
 Ant Build System:
   type: data
   tm_scope: text.xml.ant
-  extensions:
   filenames:
   - ant.xml
   - build.xml
@@ -1521,7 +1520,6 @@ Matlab:
 Maven POM:
   type: data
   tm_scope: text.xml.pom
-  extensions:
   filenames:
   - pom.xml