diff --git a/2018/slides/webrtc-in-webkitgtk-and-wpe-by-thibault-saunier/plugin/multiplex/package.json b/2018/slides/webrtc-in-webkitgtk-and-wpe-by-thibault-saunier/plugin/multiplex/package.json
deleted file mode 100644
index bbed77a..0000000
--- a/2018/slides/webrtc-in-webkitgtk-and-wpe-by-thibault-saunier/plugin/multiplex/package.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "name": "reveal-js-multiplex",
-  "version": "1.0.0",
-  "description": "reveal.js multiplex server",
-  "homepage": "http://revealjs.com",
-  "scripts": {
-    "start": "node index.js"
-  },
-  "engines": {
-    "node": "~4.1.1"
-  },
-  "dependencies": {
-    "express": "~4.13.3",
-    "grunt-cli": "~0.1.13",
-    "mustache": "~2.2.1",
-    "socket.io": "~1.3.7"
-  },
-  "license": "MIT"
-}