diff --git a/demo/index.html b/demo/index.html
index cf920d39..1d0e2bbe 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -40,9 +40,6 @@
           <p>
             <label><input type="checkbox" id="option-cursor-blink"> cursorBlink</label>
           </p>
-          <p>
-            <label><input type="checkbox" checked id="zmodem-auto"> Accept all ZMODEM prompts<sup>*</sup></label>
-          </p>
           <p>
             <label>
               cursorStyle
@@ -85,7 +82,6 @@
           </div>
         </div>
         <p><strong>Attention:</strong> The demo is a barebones implementation and is designed for xterm.js evaluation purposes only. Exposing the demo to the public as is would introduce security risks for the host.</p>
-        <p><sup>*</sup> ZMODEM file transfers are supported via an addon. To try it out, install <a href="https://ohse.de/uwe/software/lrzsz.html"><code>lrzsz</code></a> onto the remote peer, then run <code>rz</code> to send from your browser or <code>sz &lt;file&gt;</code> to send from the remote peer.</p>
         <script src="main.js" defer ></script>
     </body>
 </html>
diff --git a/demo/js/zmodem.devel.js b/demo/js/zmodem.devel.js
deleted file mode 120000
index 7c1732ee..00000000
--- a/demo/js/zmodem.devel.js
+++ /dev/null
@@ -1 +0,0 @@
-../../node_modules/zmodem.js/dist/zmodem.devel.js
\ No newline at end of file
diff --git a/demo/js/zmodem.js b/demo/js/zmodem.js
deleted file mode 120000
index 88c4a96d..00000000
--- a/demo/js/zmodem.js
+++ /dev/null
@@ -1 +0,0 @@
-../../node_modules/zmodem.js/dist/zmodem.js
\ No newline at end of file
diff --git a/demo/main.js b/demo/main.js
index 7e14119b..fb1d2fbf 100644
--- a/demo/main.js
+++ b/demo/main.js
@@ -1,5 +1,3 @@
-"use strict";
-
 var term,
     protocol,
     socketURL,
@@ -180,9 +178,8 @@ function zmodemHandleSendSession(zsession) {
 }
 
 function runRealTerminal() {
-    term.attach(socket);
-
-    term._initialized = true;
+  term.attach(socket);
+  term._initialized = true;
 }
 
 function runFakeTerminal() {
diff --git a/package-lock.json b/package-lock.json
index e4edceb6..75d2afca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "xterm",
-  "version": "2.9.1",
+  "version": "2.8.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -50,16 +50,6 @@
       "integrity": "sha512-bJgf+gJF+zohYkhOOdY7cXVKa0jMZGICqIcdPRb1SFyPHI4sKau0tXTRLmT2T4S5bjx6cY9AuoMkB5v+TIL4wA==",
       "dev": true
     },
-    "JSONStream": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.1.tgz",
-      "integrity": "sha1-cH92HgHa6eFvG8+TcDt4xwlmV5o=",
-      "dev": true,
-      "requires": {
-        "jsonparse": "1.3.1",
-        "through": "2.3.8"
-      }
-    },
     "abab": {
       "version": "https://registry.npmjs.org/abab/-/abab-1.0.3.tgz",
       "integrity": "sha1-uB3l9ydOxOdW15fNg08wNkJyTl0=",
@@ -250,9 +240,9 @@
       "integrity": "sha1-+GzWzvT1MAyOY+B6TVEvZfv/RTE=",
       "dev": true,
       "requires": {
-        "JSONStream": "1.3.1",
         "combine-source-map": "0.7.2",
         "defined": "1.0.0",
+        "JSONStream": "1.3.1",
         "through2": "2.0.3",
         "umd": "3.0.1"
       }
@@ -280,7 +270,6 @@
       "integrity": "sha1-tanJAgJD8McORnW+yCI7xifkFc4=",
       "dev": true,
       "requires": {
-        "JSONStream": "1.3.1",
         "assert": "1.4.1",
         "browser-pack": "6.0.2",
         "browser-resolve": "1.11.2",
@@ -302,6 +291,7 @@
         "https-browserify": "0.0.1",
         "inherits": "2.0.3",
         "insert-module-globals": "7.0.1",
+        "JSONStream": "1.3.1",
         "labeled-stream-splicer": "2.0.0",
         "module-deps": "4.1.1",
         "os-browserify": "0.1.2",
@@ -672,16 +662,6 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
-    "crc-32": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.1.1.tgz",
-      "integrity": "sha1-XXOdXkxuNSrYME1zIj1IP+Va240=",
-      "dev": true,
-      "requires": {
-        "exit-on-epipe": "1.0.1",
-        "printj": "1.1.0"
-      }
-    },
     "create-ecdh": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.0.tgz",
@@ -1041,12 +1021,6 @@
         }
       }
     },
-    "exit-on-epipe": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/exit-on-epipe/-/exit-on-epipe-1.0.1.tgz",
-      "integrity": "sha512-h2z5mrROTxce56S+pnvAV890uu7ls7f1kEvVGJbw1OlFH3/mlJ5bkXu0KRyW94v37zzHPiUd55iLn3DA7TjWpw==",
-      "dev": true
-    },
     "express": {
       "version": "4.13.4",
       "resolved": "https://registry.npmjs.org/express/-/express-4.13.4.tgz",
@@ -1555,905 +1529,6 @@
         }
       }
     },
-    "fsevents": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.1.2.tgz",
-      "integrity": "sha512-Sn44E5wQW4bTHXvQmvSHwqbuiXtduD6Rrjm2ZtUEGbyrig+nUH3t/QD4M4/ZXViY556TBpRgZkHLDx3JxPwxiw==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "nan": "2.5.0",
-        "node-pre-gyp": "0.6.36"
-      },
-      "dependencies": {
-        "abbrev": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "ajv": {
-          "version": "4.11.8",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "co": "4.6.0",
-            "json-stable-stringify": "1.0.1"
-          }
-        },
-        "ansi-regex": {
-          "version": "2.1.1",
-          "bundled": true,
-          "dev": true
-        },
-        "aproba": {
-          "version": "1.1.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "are-we-there-yet": {
-          "version": "1.1.4",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.2.9"
-          }
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-          "version": "0.2.3",
-          "bundled": true,
-          "dev": true,
-          "optional": true
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-        "assert-plus": {
-          "version": "0.2.0",
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