diff --git a/src/controls.ts b/src/controls.ts
index e7488568..03a12e5a 100644
--- a/src/controls.ts
+++ b/src/controls.ts
@@ -61,8 +61,6 @@ export const outputDevice$ = new Subject<string>();
  */
 export const setAudioEnabled$ = new Subject<boolean>();
 
-export const earpieceModeToggle$ = new Subject<void>();
-
 let playbackStartedEmitted = false;
 export const setPlaybackStarted = (): void => {
   if (!playbackStartedEmitted) {