diff --git a/js/.babelrc b/js/.babelrc
deleted file mode 100644
index d707934a..00000000
--- a/js/.babelrc
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "env": {
-    "production": {
-      "presets": ["react", "react-optimize"]
-    },
-    "development": {
-      "presets": ["react"]
-    },
-    "test": {
-      "presets": ["react"]
-    }
-  },
-  "only": [
-    "test/js/**"
-  ],
-  "plugins": [
-    "transform-es2015-destructuring",
-    "transform-es2015-parameters",
-    "transform-es2015-modules-commonjs",
-    "transform-async-to-generator",
-    "transform-object-rest-spread",
-    "transform-class-properties",
-    "transform-runtime"
-  ],
-  "sourceMaps": "inline",
-  "retainLines": true
-}
diff --git a/js/addon/.babelrc b/js/addon/.babelrc
deleted file mode 100644
index a0dc53f5..00000000
--- a/js/addon/.babelrc
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "presets": ["es2015"],
-  "plugins": [
-    "transform-async-to-generator"
-  ]
-}
diff --git a/js/addon/CREDITS b/js/addon/CREDITS
deleted file mode 100644
index 359a4f89..00000000
--- a/js/addon/CREDITS
+++ /dev/null
@@ -1,3 +0,0 @@
-Icon file is "Line Graph" by Cris Dobbins, from The Noun Project.
-
-https://thenounproject.com/term/line-graph/145324/
diff --git a/js/addon/build.sh b/js/addon/build.sh
deleted file mode 100755
index 925bc6c3..00000000
--- a/js/addon/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-cp ../target/release-browser/datomish.js release/
-node_modules/.bin/webpack -p
-cat src/wrapper.prefix built/index.js > release/index.js
diff --git a/js/addon/package.json b/js/addon/package.json
deleted file mode 100644
index c2e4d9f0..00000000
--- a/js/addon/package.json
+++ /dev/null
@@ -1,23 +0,0 @@
-{
-  "name": "datomish-example",
-  "version": "1.0.0",
-  "description": "A test add-on for Datomish and Firefox.",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "",
-  "license": "MPL-2.0",
-  "devDependencies": {
-    "babel": "^6.5.2",
-    "babel-cli": "^6.14.0",
-    "babel-core": "^6.14.0",
-    "babel-loader": "^6.2.5",
-    "babel-plugin-transform-async-to-generator": "^6.8.0",
-    "babel-preset-es2015": "^6.14.0",
-    "webpack": "^1.13.2"
-  },
-  "dependencies": {
-    "babel-polyfill": "^6.13.0"
-  }
-}
diff --git a/js/addon/release/README.md b/js/addon/release/README.md
deleted file mode 100644
index 85643d4f..00000000
--- a/js/addon/release/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-#Datomish Test
-An example add-on that loads Datomish on top of Sqlite.jsm.
\ No newline at end of file
diff --git a/js/addon/release/data/datomish-48.png b/js/addon/release/data/datomish-48.png
deleted file mode 100644
index 42b9cb67..00000000
Binary files a/js/addon/release/data/datomish-48.png and /dev/null differ
diff --git a/js/addon/release/package.json b/js/addon/release/package.json
deleted file mode 100644
index 6a190546..00000000
--- a/js/addon/release/package.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "title": "Datomish Test",
-  "name": "datomish-test",
-  "version": "0.0.1",
-  "description": "An example add-on that loads Datomish on top of Sqlite.jsm.",
-  "main": "index.js",
-  "author": "Richard Newman <rnewman@mozilla.com>",
-  "engines": {
-    "firefox": ">=48.0a1"
-  },
-  "license": "MPL-2.0",
-  "keywords": [
-    "jetpack"
-  ]
-}
diff --git a/js/addon/release/run.sh b/js/addon/release/run.sh
deleted file mode 100755
index 40114394..00000000
--- a/js/addon/release/run.sh
+++ /dev/null
@@ -1 +0,0 @@
-jpm run -b /Applications/FirefoxNightly.app/
diff --git a/js/addon/src/index.js b/js/addon/src/index.js
deleted file mode 100644
index d0cb6142..00000000
--- a/js/addon/src/index.js
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-var self = require("sdk/self");
-var buttons = require('sdk/ui/button/action');
-var tabs = require('sdk/tabs');
-
-var datomish = require("datomish.js");
-
-var schema = {
-  "name": "pages",
-  "attributes": [
-    {"name":         "page/url",
-     "type":         "string",
-     "cardinality":  "one",
-     "unique":       "identity",
-     "doc":          "A page's URL."},
-    {"name":         "page/title",
-     "type":         "string",
-     "cardinality":  "one",
-     "fulltext":     true,
-     "doc":          "A page's title."},
-    {"name":         "page/content",
-     "type":         "string",
-     "cardinality":  "one",          // Simple for now.
-     "fulltext":     true,
-     "doc":          "A snapshot of the page's content. Should be plain text."},
-  ]
-};
-
-async function initDB(path) {
-  let db = await datomish.open(path);
-  await db.ensureSchema(schema);
-  return db;
-}
-
-async function findURLs(db) {
-  let query = `[:find ?page ?url ?title :in $ :where [?page :page/url ?url][(get-else $ ?page :page/title "") ?title]]`;
-  let options = new Object();
-  options["limit"] = 10;
-  return datomish.q(db.db(), query, options);
-}
-
-async function findPagesMatching(db, string) {
-  let query =
-    `[:find ?url ?title
-      :in $ ?str
-      :where
-      [(fulltext $ :any ?str) [[?page]]]
-      [?page :page/url ?url]
-      [(get-else $ ?page :page/title "") ?title]]`;
-  return datomish.q(db.db(), query, {"limit": 10, "inputs": {"str": string}});
-}
-
-async function savePage(db, url, title, content) {
-  let datom = {"db/id": 55, "page/url": url};
-  if (title) {
-    datom["page/title"] = title;
-  }
-  if (content) {
-    datom["page/content"] = content;
-  }
-  let txResult = await db.transact([datom]);
-  return txResult;
-}
-
-async function handleClick(state) {
-  let db = await datomish.open("/tmp/testing.db");
-  await db.ensureSchema(schema);
-
-  let txResult = await savePage(db, tabs.activeTab.url, tabs.activeTab.title, "Content goes here");
-
-  console.log("Transaction returned " + JSON.stringify(txResult));
-  console.log("Transaction instant: " + txResult.txInstant);
-
-  let results = await findURLs(db);
-  results = results.map(r => r[1]);
-
-  console.log("Query results: " + JSON.stringify(results));
-
-  let pages = await findPagesMatching(db, "goes");
-
-  console.log("Pages: " + JSON.stringify(pages));
-  await db.close();
-}
-
-var button = buttons.ActionButton({
-  id: "datomish-save",
-  label: "Save Page",
-  icon: "./datomish-48.png",
-  onClick: handleClick
-});
diff --git a/js/addon/src/wrapper.prefix b/js/addon/src/wrapper.prefix
deleted file mode 100644
index f69c8236..00000000
--- a/js/addon/src/wrapper.prefix
+++ /dev/null
@@ -1,4 +0,0 @@
-// Monkeypatch.
-var { setTimeout } = require("sdk/timers");
-this.setTimeout = setTimeout;
-
diff --git a/js/addon/webpack.config.js b/js/addon/webpack.config.js
deleted file mode 100644
index f82bede4..00000000
--- a/js/addon/webpack.config.js
+++ /dev/null
@@ -1,21 +0,0 @@
-
-module.exports = {
-  entry: ['babel-polyfill', './src/index.js'],
-  output: {
-    filename: 'built/index.js'
-  },
-  target: 'webworker',
-  externals: {
-    'datomish.js': 'commonjs datomish.js',
-    'sdk/self': 'commonjs sdk/self',
-    'sdk/ui/button/action': 'commonjs sdk/ui/button/action',
-    'sdk/tabs': 'commonjs sdk/tabs'
-  },
-  module: {
-    loaders: [{
-      test: /\.js?$/,
-      exclude: /(node_modules)|(wrapper.prefix)/,
-      loader: 'babel'
-    }]
-  }
-}
diff --git a/js/test/js/tests.js b/js/test/js/tests.js
deleted file mode 100644
index 6cd92536..00000000
--- a/js/test/js/tests.js
+++ /dev/null
@@ -1,126 +0,0 @@
-/* Copyright 2016 Mozilla
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
- * this file except in compliance with the License. You may obtain a copy of the
- * License at http://www.apache.org/licenses/LICENSE-2.0
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
-
-var datomish = require("../../target/release-node/datomish.js");
-
-var schema = {
-  "name": "pages",
-  "attributes": [
-    {"name":         "page/url",
-     "type":         "string",
-     "cardinality":  "one",
-     "unique":       "identity",
-     "doc":          "A page's URL."},
-    {"name":         "page/title",
-     "type":         "string",
-     "cardinality":  "one",
-     "doc":          "A page's title."}
-  ]
-};
-
-async function testOpen() {
-  // Open a database.
-  let path = "/tmp/testing" + Date.now() + ".db";
-  console.log("Opening " + path);
-  let db = await datomish.open(path);
-
-  // Make sure we have our current schema.
-  await db.ensureSchema(schema);
-
-  // Add some data. Note that we use a temporary ID (the real ID
-  // will be assigned by Datomish).
-  let txResult = await db.transact([
-    {"db/id": datomish.tempid(),
-     "page/url": "https://mozilla.org/",
-     "page/title": "Mozilla"}
-  ]);
-
-  console.log("Transaction returned " + JSON.stringify(txResult));
-  console.log("Transaction instant: " + txResult.txInstant);
-
-  // A simple query.
-  let results = await db.q("[:find [?url ...] :in $ :where [?e :page/url ?url]]");
-  console.log("Known URLs: " + JSON.stringify(results));
-
-  // Let's extend our schema. In the real world this would typically happen
-  // across releases.
-  schema.attributes.push({"name":        "page/visitedAt",
-                          "type":        "instant",
-                          "cardinality": "many",
-                          "doc":         "A visit to the page."});
-  await db.ensureSchema(schema);
-
-  // Now we can make assertions with the new vocabulary about existing
-  // entities.
-  // Note that we simply let Datomish find which page we're talking about by
-  // URL -- the URL is a unique property -- so we just use a tempid again.
-  await db.transact([
-    {"db/id": datomish.tempid(),
-     "page/url": "https://mozilla.org/",
-     "page/visitedAt": new Date()}
-  ]);
-
-  // When did we most recently visit this page?
-  let date = (await db.q(
-    `[:find (max ?date) .
-      :in $ ?url
-      :where
-      [?page :page/url ?url]
-      [?page :page/visitedAt ?date]]`,
-    {"inputs": {"url": "https://mozilla.org/"}}));
-  console.log("Most recent visit: " + date);
-
-  // Add some more data about a couple of pages.
-  let start = Date.now();
-  let lr = datomish.tempid();
-  let reddit = datomish.tempid();
-  let res = await db.transact([
-    {"db/id": reddit,
-     "page/url": "http://reddit.com/",
-     "page/title": "Reddit",
-     "page/visitedAt": new Date(start)},
-    {"db/id": lr,
-     "page/url": "https://longreads.com/",
-     "page/title": "Longreads: The best longform stories on the web",
-     "page/visitedAt": (new Date(start + 100))},
-
-    // Two visits each.
-    {"db/id": lr,
-     "page/visitedAt": (new Date(start + 200))},
-    {"db/id": reddit,
-     "page/visitedAt": (new Date(start + 300))}
-  ]);
-
-  // These are our new persistent IDs. We can use these directly in later
-  // queries or transactions
-  lr = res.tempid(lr);
-  reddit = res.tempid(reddit);
-  console.log("Persistent IDs are " + lr + ", " + reddit + ".");
-
-  // A query with a limit and order-by. Because we limit to 2, and order
-  // by most recent visit date first, we won't get mozilla.org in our results.
-  let recent = await db.q(
-    `[:find ?url (max ?date)
-      :in $
-      :where
-      [?page :page/url ?url]
-      [?page :page/visitedAt ?date]]`,
-    {"limit": 2, "order-by": [["_max_date", "desc"]]});
-
-  console.log("Recently visited: " + JSON.stringify(recent));
-
-  // Close: we're done!
-  await db.close();
-}
-
-testOpen()
-.then((r) => console.log("Done."))
-.catch((e) => console.log("Failure: " + e.stack));
diff --git a/js/test/v1.db b/js/test/v1.db
deleted file mode 100644
index e76cdbfd..00000000
Binary files a/js/test/v1.db and /dev/null differ