diff --git a/package.json b/package.json
index 3346a55d15..160d6566af 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,6 @@
   },
   "devDependencies": {
     "ava": "^0.22.0",
-    "babel-cli": "7.0.0-alpha.18",
     "babel-core": "7.0.0-alpha.18",
     "babel-eslint": "8.0.0-alpha.13",
     "babel-helper-fixtures": "7.0.0-alpha.18",
diff --git a/rollup.config.js b/rollup.config.js
index 1cde3faac5..76f3c6f8ed 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -5,5 +5,5 @@ export default {
   entry: "src/index.js",
   dest: "lib/index.js",
   plugins: [babel(), nodeResolve()],
-  format: "cjs"
+  format: "cjs",
 };
diff --git a/yarn.lock b/yarn.lock
index 8ce9ce0f22..54cf2bb99e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -339,25 +339,6 @@ aws4@^1.2.1:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
-babel-cli@7.0.0-alpha.18:
-  version "7.0.0-alpha.18"
-  resolved "https://registry.yarnpkg.com/babel-cli/-/babel-cli-7.0.0-alpha.18.tgz#1e05fb52ca943c658c2821418770fde682c2226e"
-  dependencies:
-    babel-core "7.0.0-alpha.18"
-    babel-polyfill "7.0.0-alpha.18"
-    babel-register "7.0.0-alpha.18"
-    commander "^2.8.1"
-    convert-source-map "^1.1.0"
-    fs-readdir-recursive "^1.0.0"
-    glob "^7.0.0"
-    lodash "^4.2.0"
-    output-file-sync "^2.0.0"
-    slash "^1.0.0"
-    source-map "^0.5.0"
-    v8flags "^3.0.0"
-  optionalDependencies:
-    chokidar "^1.6.1"
-
 babel-code-frame@7.0.0-alpha.12:
   version "7.0.0-alpha.12"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-7.0.0-alpha.12.tgz#26fbb2eab1c20763271fecb6b04a108756fae61f"
@@ -991,13 +972,6 @@ babel-plugin-transform-strict-mode@^6.24.1:
     babel-runtime "^6.22.0"
     babel-types "^6.24.1"
 
-babel-polyfill@7.0.0-alpha.18:
-  version "7.0.0-alpha.18"
-  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-7.0.0-alpha.18.tgz#e5673adef75bf3c9014e9b7d0cb23520e58bd94a"
-  dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.10.0"
-
 babel-preset-env@2.0.0-alpha.18:
   version "2.0.0-alpha.18"
   resolved "https://registry.yarnpkg.com/babel-preset-env/-/babel-preset-env-2.0.0-alpha.18.tgz#1ff927011521e9bc97819d921700ccd3faa6c676"
@@ -1039,19 +1013,6 @@ babel-preset-flow@7.0.0-alpha.18:
   dependencies:
     babel-plugin-transform-flow-strip-types "7.0.0-alpha.18"
 
-babel-register@7.0.0-alpha.18:
-  version "7.0.0-alpha.18"
-  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-7.0.0-alpha.18.tgz#cd06f208f0f26adc4fc9c71f4a8e22df971dd6f4"
-  dependencies:
-    babel-core "7.0.0-alpha.18"
-    core-js "^2.4.0"
-    find-cache-dir "^1.0.0"
-    home-or-tmp "^3.0.0"
-    lodash "^4.2.0"
-    mkdirp "^0.5.1"
-    pirates "^3.0.1"
-    source-map-support "^0.4.2"
-
 babel-register@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
@@ -1384,7 +1345,7 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-chokidar@^1.4.2, chokidar@^1.6.1, chokidar@^1.7.0:
+chokidar@^1.4.2, chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -1509,7 +1470,7 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.8.1, commander@^2.9.0:
+commander@^2.9.0:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
 
@@ -2115,10 +2076,6 @@ form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
-fs-readdir-recursive@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.0.0.tgz#8cd1745c8b4f8a29c8caec392476921ba195f560"
-
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -2207,7 +2164,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.2:
+glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2340,10 +2297,6 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
-home-or-tmp@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-3.0.0.tgz#57a8fe24cf33cdd524860a15821ddc25c86671fb"
-
 hosted-git-info@^2.1.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
@@ -2596,7 +2549,7 @@ is-path-inside@^1.0.0:
   dependencies:
     path-is-inside "^1.0.1"
 
-is-plain-obj@^1.0.0, is-plain-obj@^1.1.0:
+is-plain-obj@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
 
@@ -3144,10 +3097,6 @@ natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
 
-node-modules-regexp@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz#8d9dbe28964a4ac5712e9131642107c71e90ec40"
-
 node-pre-gyp@^0.6.36:
   version "0.6.36"
   resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.6.36.tgz#db604112cb74e0d477554e9b505b17abddfab786"
@@ -3356,14 +3305,6 @@ osenv@^0.1.4:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.0"
 
-output-file-sync@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-2.0.0.tgz#5d348a1a1eaed1ad168648a01a2d6d13078ce987"
-  dependencies:
-    graceful-fs "^4.1.11"
-    is-plain-obj "^1.1.0"
-    mkdirp "^0.5.1"
-
 p-finally@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
@@ -3497,12 +3438,6 @@ pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
-pirates@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/pirates/-/pirates-3.0.1.tgz#8a87bf9ab7f58d6c3deee6a1a1c892ffe823811f"
-  dependencies:
-    node-modules-regexp "^1.0.0"
-
 pkg-conf@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/pkg-conf/-/pkg-conf-2.0.0.tgz#071c87650403bccfb9c627f58751bfe47c067279"
@@ -3674,10 +3609,6 @@ regenerate@^1.2.1, regenerate@^1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.2.tgz#d1941c67bad437e1be76433add5b385f95b19260"
 
-regenerator-runtime@^0.10.0:
-  version "0.10.5"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
-
 regenerator-runtime@^0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
@@ -4016,7 +3947,7 @@ sort-keys@^2.0.0:
   dependencies:
     is-plain-obj "^1.0.0"
 
-source-map-support@^0.4.0, source-map-support@^0.4.15, source-map-support@^0.4.2:
+source-map-support@^0.4.0, source-map-support@^0.4.15:
   version "0.4.16"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.16.tgz#16fecf98212467d017d586a2af68d628b9421cd8"
   dependencies:
@@ -4407,10 +4338,6 @@ url-parse-lax@^1.0.0:
   dependencies:
     prepend-http "^1.0.1"
 
-user-home@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
-
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
@@ -4426,12 +4353,6 @@ uuid@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
-v8flags@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.0.0.tgz#4be9604488e0c4123645def705b1848d16b8e01f"
-  dependencies:
-    user-home "^1.1.1"
-
 validate-npm-package-license@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"