diff --git a/package.json b/package.json
index 276d914a1a..0a9295e67c 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,6 @@
     "@kadira/react-native-storybook": "^1.12.6",
     "@types/jest": "^18.1.1",
     "@types/lodash": "^4.14.52",
-    "@types/node": "^7.0.4",
     "@types/react-native": "^0.37.11",
     "@types/react-relay": "^0.9.10",
     "apphub": "^0.5.1",
diff --git a/src/setupJest.ts b/src/setupJest.ts
index 59e42110c6..26566c1d1f 100644
--- a/src/setupJest.ts
+++ b/src/setupJest.ts
@@ -1,6 +1,9 @@
+// Not going to import all of the Node.js typings just for this.
+declare const __filename: string
+
 function mockedModule(path: string, moduleName?: string | boolean | null, filename = __filename) {
     debugger
-    if (module) {
+    if (moduleName) {
         jest.mock(path, () => ({'default': moduleName}))
     } else {
         jest.mock(path)
diff --git a/yarn.lock b/yarn.lock
index 8be5879f8d..7e55895240 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -66,10 +66,6 @@
   version "4.14.52"
   resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.52.tgz#de5c7ab14da1289733233c9b0ec6f9e377db90f5"
 
-"@types/node@^7.0.4":
-  version "7.0.5"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.5.tgz#96a0f0a618b7b606f1ec547403c00650210bfbb7"
-
 "@types/react-native@^0.37.11":
   version "0.37.13"
   resolved "https://registry.yarnpkg.com/@types/react-native/-/react-native-0.37.13.tgz#65548f892ed6e55ef87add1ffeec72275b4152b7"
@@ -3756,86 +3752,6 @@ react-modal@^1.2.1:
   version "0.18.2"
   resolved "https://github.com/orta/react-native-parallax-scroll-view#4e20440f9cd0b6280303b57124c0348c0e63b7c0"
 
-react-native@0.42.0-rc.3:
-  version "0.42.0-rc.3"
-  resolved "https://registry.yarnpkg.com/react-native/-/react-native-0.42.0-rc.3.tgz#97f852086ac6ed2e4ad2d43a96203cc3761f6a4b"
-  dependencies:
-    absolute-path "^0.0.0"
-    art "^0.10.0"
-    async "^2.0.1"
-    babel-core "^6.21.0"
-    babel-generator "^6.21.0"
-    babel-plugin-external-helpers "^6.18.0"
-    babel-plugin-syntax-trailing-function-commas "^6.20.0"
-    babel-plugin-transform-flow-strip-types "^6.21.0"
-    babel-plugin-transform-object-rest-spread "^6.20.2"
-    babel-polyfill "^6.20.0"
-    babel-preset-es2015-node "^6.1.1"
-    babel-preset-fbjs "^2.1.0"
-    babel-preset-react-native "^1.9.1"
-    babel-register "^6.18.0"
-    babel-runtime "^6.20.0"
-    babel-traverse "^6.21.0"
-    babel-types "^6.21.0"
-    babylon "^6.14.1"
-    base64-js "^1.1.2"
-    bser "^1.0.2"
-    chalk "^1.1.1"
-    commander "^2.9.0"
-    connect "^2.8.3"
-    core-js "^2.2.2"
-    debug "^2.2.0"
-    denodeify "^1.2.1"
-    event-target-shim "^1.0.5"
-    fbjs "^0.8.5"
-    fbjs-scripts "^0.7.0"
-    fs-extra "^0.26.2"
-    glob "^5.0.15"
-    graceful-fs "^4.1.3"
-    image-size "^0.3.5"
-    immutable "~3.7.6"
-    imurmurhash "^0.1.4"
-    inquirer "^0.12.0"
-    jest-haste-map "18.0.0"
-    joi "^6.6.1"
-    json-stable-stringify "^1.0.1"
-    json5 "^0.4.0"
-    left-pad "^1.1.3"
-    lodash "^4.16.6"
-    mime "^1.3.4"
-    mime-types "2.1.11"
-    minimist "^1.2.0"
-    mkdirp "^0.5.1"
-    node-fetch "^1.3.3"
-    npmlog "^2.0.4"
-    opn "^3.0.2"
-    optimist "^0.6.1"
-    plist "^1.2.0"
-    promise "^7.1.1"
-    react-clone-referenced-element "^1.0.1"
-    react-timer-mixin "^0.13.2"
-    react-transform-hmr "^1.0.4"
-    rebound "^0.0.13"
-    regenerator-runtime "^0.9.5"
-    request "^2.79.0"
-    rimraf "^2.5.4"
-    sane "~1.4.1"
-    semver "^5.0.3"
-    shell-quote "1.6.1"
-    source-map "^0.5.6"
-    stacktrace-parser "^0.1.3"
-    temp "0.8.3"
-    throat "^3.0.0"
-    uglify-js "^2.6.2"
-    whatwg-fetch "^1.0.0"
-    wordwrap "^1.0.0"
-    worker-farm "^1.3.1"
-    write-file-atomic "^1.2.0"
-    ws "^1.1.0"
-    xcode "^0.8.9"
-    xmldoc "^0.4.0"
-    yargs "^6.4.0"
-
 "react-native@https://github.com/alloy/react-native.git#source_exts":
   version "0.42.0-rc.3"
   resolved "https://github.com/alloy/react-native.git#7e73cd89e9c92c63504f344aa6ba51ced76837fa"