diff --git a/mach b/mach
index b962d8ec0d11..4056cae7a17a 100755
--- a/mach
+++ b/mach
@@ -45,7 +45,6 @@ py2commands="
     visualmetrics
     web-platform-tests
     web-platform-tests-update
-    webidl-example
     webidl-parser-test
     wpt
     wpt-manifest-update