diff --git a/dom/webidl/moz.build b/dom/webidl/moz.build
index fa0c6e2a53..06b64720d4 100644
--- a/dom/webidl/moz.build
+++ b/dom/webidl/moz.build
@@ -16,7 +16,6 @@ PREPROCESSED_WEBIDL_FILES = [
 ]
 
 WEBIDL_FILES = [
-    'USB.webidl',
     'AbortController.webidl',
     'AbortSignal.webidl',
     'AbstractWorker.webidl',
@@ -564,6 +563,7 @@ WEBIDL_FILES = [
     'UIEvent.webidl',
     'URL.webidl',
     'URLSearchParams.webidl',
+    'USB.webidl',
     'ValidityState.webidl',
     'VideoPlaybackQuality.webidl',
     'VideoStreamTrack.webidl',