diff --git a/development/beefy.js b/development/beefy.js
deleted file mode 100644
index c1c436cb6..000000000
--- a/development/beefy.js
+++ /dev/null
@@ -1,16 +0,0 @@
-const beefy = require('beefy')
-const http = require('http')
-const port = 8124
-
-const handler = beefy({
-    entries: {'mocker.js': 'bundle.js'},
-   cwd: __dirname,
-   live: true,
-   open: true,
-   quiet: false,
-   bundlerFlags: ['-t', 'brfs'],
-})
-
-
-http.createServer(handler).listen(port)
-console.log(`Now listening on port ${port}`)
diff --git a/package-lock.json b/package-lock.json
index 481b7927f..d1b73b29b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4755,109 +4755,6 @@
         "tweetnacl": "^0.14.3"
       }
     },
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-      "resolved": "https://registry.npmjs.org/beefy/-/beefy-2.1.8.tgz",
-      "integrity": "sha1-e8Ebmkh6mjRnnYXinTtS83T9ACk=",
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-        "mime": "~1.2.9",
-        "minimist": "0.0.8",
-        "open": "0.0.3",
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-        "resolve": "^0.6.1",
-        "response-stream": "0.0.0",
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-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
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-        "object-keys": {
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-          "integrity": "sha1-KKaq50KN0sOpLz2V8hM13SBOAzY=",
-          "dev": true
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-        "open": {
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-          "resolved": "https://registry.npmjs.org/open/-/open-0.0.3.tgz",
-          "integrity": "sha1-+jd/T/MIIS2SqbjmOVJAhUZGpxM=",
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-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
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-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
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-          "version": "0.6.3",
-          "resolved": "https://registry.npmjs.org/resolve/-/resolve-0.6.3.tgz",
-          "integrity": "sha1-3ZV5gufnNt699TtYpN2RdUV13UY=",
-          "dev": true
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-        "string_decoder": {
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-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
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-          "integrity": "sha1-bo4hIAGR1OtqmfbwEN9Gqhxusr0=",
-          "dev": true
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-          "dev": true
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-          "integrity": "sha1-bv7MKk2tjmlixJAbM3znuoe10os=",
-          "dev": true,
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       "resolved": "https://registry.npmjs.org/beeper/-/beeper-1.1.1.tgz",
@@ -7007,15 +6904,6 @@
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       "dev": true
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-      "resolved": "https://registry.npmjs.org/cssauron/-/cssauron-1.4.0.tgz",
-      "integrity": "sha1-pmAt/34EqDBtwNuaVR6S6LVmKtg=",
-      "dev": true,
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@@ -12030,15 +11918,6 @@
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-    "find-global-packages": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/find-global-packages/-/find-global-packages-0.0.1.tgz",
-      "integrity": "sha1-S6f9/xfun6fagzCV94tejNvfPis=",
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@@ -13703,7 +13582,7 @@
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         "bl": {
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+          "resolved": "http://registry.npmjs.org/bl/-/bl-0.8.2.tgz",
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@@ -13712,7 +13591,7 @@
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+              "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
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@@ -16154,9 +16033,9 @@
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-          "integrity": "sha512-+hptqmFYPKFju9QG4F6scvx3ZXkhrSmmhYui+hPzRn/jiC3DJ6VNZRKsIhGMpeajVBWfRV7XiysUThrJ/7PgXQ==",
+          "version": "6.6.5",
+          "resolved": "https://registry.npmjs.org/level-sublevel/-/level-sublevel-6.6.5.tgz",
+          "integrity": "sha512-SBSR60x+dghhwGUxPKS+BvV1xNqnwsEUBKmnFepPaHJ6VkBXyPK9SImGc3K2BkwBfpxlt7GKkBNlCnrdufsejA==",
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@@ -16171,7 +16050,7 @@
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             "abstract-leveldown": {
               "version": "0.12.4",
-              "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz",
+              "resolved": "http://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz",
               "integrity": "sha1-KeGOYy5g5OIh1YECR4UqY9ey5BA=",
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@@ -16232,7 +16111,7 @@
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             "readable-stream": {
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-              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+              "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
               "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
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@@ -16244,7 +16123,7 @@
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             "semver": {
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+              "resolved": "http://registry.npmjs.org/semver/-/semver-5.1.1.tgz",
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@@ -17023,9 +16902,9 @@
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-          "integrity": "sha1-CIew/7MK8ypW2+z6csFnInHwexM=",
+          "version": "0.2.3",
+          "resolved": "https://registry.npmjs.org/pull-defer/-/pull-defer-0.2.3.tgz",
+          "integrity": "sha512-/An3KE7mVjZCqNhZsr22k1Tx8MACnUnHZZNPSJ0S62td8JtYr/AiRG42Vz7Syu31SoTLUzVIe61jtT/pNdjVYA==",
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@@ -17060,9 +16939,9 @@
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-          "integrity": "sha512-wQUIptQBcM0rFsUhZoEpOT3vUn73DtTGVq3NQ86c4T7iMOSprDzeKWYq2ksXnbwiuExTKvt+8G9fzNLFQuiO+A==",
+          "version": "3.6.9",
+          "resolved": "https://registry.npmjs.org/pull-stream/-/pull-stream-3.6.9.tgz",
+          "integrity": "sha512-hJn4POeBrkttshdNl0AoSCVjMVSuBwuHocMerUdoZ2+oIUzrWHFTwJMlbHND7OiKLVgvz6TFj8ZUVywUMXccbw==",
           "dev": true
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         "pull-window": {
@@ -21321,64 +21200,6 @@
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-      "integrity": "sha1-Rq1tcS5zLPMcZznV0BEKX6vxdYU=",
-      "dev": true,
-      "requires": {
-        "cssauron": "^1.1.0",
-        "duplexer2": "~0.0.2",
-        "inherits": "^2.0.1",
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-        "split": "~0.3.0",
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@@ -21822,12 +21574,6 @@
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@@ -24194,12 +23940,6 @@
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-      "dev": true,
-      "requires": {
-        "duplexer2": "0.0.2",
-        "through2": "^0.6.5",
-        "trumpet": "^1.7.1"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
-          "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        },
-        "through2": {
-          "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
-          "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
-          "dev": true,
-          "requires": {
-            "readable-stream": ">=1.0.33-1 <1.1.0-0",
-            "xtend": ">=4.0.0 <4.1.0-0"
-          }
-        }
-      }
-    },
     "scroll": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/scroll/-/scroll-2.0.3.tgz",
@@ -34903,56 +34532,6 @@
       "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
       "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
     },
-    "stream-splicer": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/stream-splicer/-/stream-splicer-1.3.2.tgz",
-      "integrity": "sha1-PARBvhW5v04iYnXm3IOWR0VUZmE=",
-      "dev": true,
-      "requires": {
-        "indexof": "0.0.1",
-        "inherits": "^2.0.1",
-        "isarray": "~0.0.1",
-        "readable-stream": "^1.1.13-1",
-        "readable-wrap": "^1.0.0",
-        "through2": "^1.0.0"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        },
-        "through2": {
-          "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-1.1.1.tgz",
-          "integrity": "sha1-CEfLxESfNAVXTb3M2buEG4OsNUU=",
-          "dev": true,
-          "requires": {
-            "readable-stream": ">=1.1.13-1 <1.2.0-0",
-            "xtend": ">=4.0.0 <4.1.0-0"
-          }
-        }
-      }
-    },
     "streamroller": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/streamroller/-/streamroller-0.7.0.tgz",
@@ -36598,56 +36177,6 @@
         }
       }
     },
-    "trumpet": {
-      "version": "1.7.2",
-      "resolved": "https://registry.npmjs.org/trumpet/-/trumpet-1.7.2.tgz",
-      "integrity": "sha1-sCxp5GXRcfVeRJJL+bW90gl0yDA=",
-      "dev": true,
-      "requires": {
-        "duplexer2": "~0.0.2",
-        "html-select": "^2.3.5",
-        "html-tokenize": "^1.1.1",
-        "inherits": "^2.0.0",
-        "readable-stream": "^1.0.27-1",
-        "through2": "^1.0.0"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        },
-        "through2": {
-          "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-1.1.1.tgz",
-          "integrity": "sha1-CEfLxESfNAVXTb3M2buEG4OsNUU=",
-          "dev": true,
-          "requires": {
-            "readable-stream": ">=1.1.13-1 <1.2.0-0",
-            "xtend": ">=4.0.0 <4.1.0-0"
-          }
-        }
-      }
-    },
     "ts-custom-error": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/ts-custom-error/-/ts-custom-error-2.2.1.tgz",
diff --git a/package.json b/package.json
index 2dd35ac7c..5915dd185 100644
--- a/package.json
+++ b/package.json
@@ -43,8 +43,6 @@
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
     "mozilla-lint": "addons-linter dist/firefox",
-    "ui": "npm run test:flat:build:states && beefy development/ui-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
-    "mock": "beefy development/mock-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
     "watch": "mocha watch --recursive \"test/unit/**/*.js\"",
     "disc": "gulp disc --debug",
     "announce": "node development/announcer.js",
@@ -246,7 +244,6 @@
     "babel-preset-stage-0": "^6.24.1",
     "babel-register": "^6.7.2",
     "babelify": "^8.0.0",
-    "beefy": "^2.1.5",
     "brfs": "^1.6.1",
     "browserify": "^16.2.3",
     "chai": "^4.1.0",