diff --git a/index.d.ts b/index.d.ts
index 4c0d155d..987133a1 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -151,7 +151,6 @@ export interface DailyTrackState {
   off?: {
     byUser?: boolean;
     byBandwidth?: boolean;
-    byEmptySource?: boolean;
   };
   track?: MediaStreamTrack;
 }