diff --git a/js/reveal.slidenotes.js b/js/reveal.slidenotes.js
deleted file mode 100644
index b686ec97..00000000
--- a/js/reveal.slidenotes.js
+++ /dev/null
@@ -1,35 +0,0 @@
-(function() {
-	// don't emit events from inside the previews themselves
-	var qs = window.location.href.split('?');
-	if (qs.length > 1 && qs[1].match('receiver')) { return; }
-
-	var socket = io.connect(window.location.origin);
-	var socketId = Math.random().toString().slice(2);
-	console.log('View slide notes at ' + window.location.origin + '/notes/' + socketId);
-
-	Reveal.addEventListener( 'slidechanged', function( event ) {
-		var nextindexh;
-		var nextindexv;
-		var slideElement = event.currentSlide;
-
-		if (slideElement.nextElementSibling && slideElement.parentNode.nodeName == 'SECTION') {
-			nextindexh = event.indexh;
-			nextindexv = event.indexv + 1;
-		} else {
-			nextindexh = event.indexh + 1;
-			nextindexv = 0;
-		}
-
-		var notes = slideElement.querySelector('aside.notes');
-		var slideData = {
-			notes : notes ? notes.innerHTML : '',
-			indexh : event.indexh,
-			indexv : event.indexv,
-			nextindexh : nextindexh,
-			nextindexv : nextindexv,
-			socketId : socketId
-		};
-
-		socket.emit('slidechanged', slideData);
-	} );
-}());