diff --git a/packages/browser/package.json b/packages/browser/package.json
index 865208c8ba50..dac145334000 100644
--- a/packages/browser/package.json
+++ b/packages/browser/package.json
@@ -38,7 +38,6 @@
     "rimraf": "^2.6.2",
     "rollup": "^0.58.2",
     "rollup-plugin-commonjs": "^9.1.3",
-    "rollup-plugin-node-builtins": "^2.1.2",
     "rollup-plugin-node-resolve": "^3.3.0",
     "rollup-plugin-npm": "^2.0.0",
     "rollup-plugin-typescript2": "^0.13.0",
diff --git a/packages/browser/rollup.config.js b/packages/browser/rollup.config.js
index 1d8613658dbb..36049903618b 100644
--- a/packages/browser/rollup.config.js
+++ b/packages/browser/rollup.config.js
@@ -2,7 +2,6 @@ import commonjs from 'rollup-plugin-commonjs';
 import uglify from 'rollup-plugin-uglify';
 import resolve from 'rollup-plugin-node-resolve';
 import typescript from 'rollup-plugin-typescript2';
-import builtins from 'rollup-plugin-node-builtins';
 
 export default [
   {
@@ -13,14 +12,8 @@ export default [
       exports: 'named',
       interop: false,
     },
-    external: [
-      '@sentry/core',
-      '@sentry/hub',
-      '@sentry/minimal',
-      '@sentry/utils',
-    ],
+    external: ['@sentry/core', '@sentry/hub', '@sentry/minimal'],
     plugins: [
-      builtins(),
       typescript({
         tsconfig: 'tsconfig.build.json',
       }),
@@ -39,12 +32,9 @@ export default [
       format: 'iife',
       name: 'Sentry',
       sourcemap: true,
-      interop: false,
-      extend: true,
     },
     context: 'window',
     plugins: [
-      builtins(),
       typescript({
         tsconfig: 'tsconfig.build.json',
         tsconfigOverride: { compilerOptions: { declaration: false } },
diff --git a/packages/browser/src/backend.ts b/packages/browser/src/backend.ts
index a2f064b1d016..40c27e3041e2 100644
--- a/packages/browser/src/backend.ts
+++ b/packages/browser/src/backend.ts
@@ -1,7 +1,7 @@
 import { Backend, DSN, Options, SentryError } from '@sentry/core';
 import { addBreadcrumb, captureEvent } from '@sentry/minimal';
 import { SentryEvent } from '@sentry/types';
-import { supportsFetch } from '@sentry/utils';
+import { supportsFetch } from '@sentry/utils/supports';
 import { Raven } from './raven';
 import { FetchTransport, XHRTransport } from './transports';
 
diff --git a/packages/browser/src/integrations/onunhandledrejection.ts b/packages/browser/src/integrations/onunhandledrejection.ts
index 4cba758c71cb..6c033ddcee52 100644
--- a/packages/browser/src/integrations/onunhandledrejection.ts
+++ b/packages/browser/src/integrations/onunhandledrejection.ts
@@ -1,6 +1,6 @@
 import { captureException } from '@sentry/minimal';
 import { Integration } from '@sentry/types';
-import { getGlobalObject } from '@sentry/utils';
+import { getGlobalObject } from '@sentry/utils/misc';
 
 const global: any = getGlobalObject();
 
diff --git a/packages/browser/src/integrations/tracekit.js b/packages/browser/src/integrations/tracekit.js
index 0ccd8833aaec..b1f0a8a7dda4 100644
--- a/packages/browser/src/integrations/tracekit.js
+++ b/packages/browser/src/integrations/tracekit.js
@@ -1,4 +1,4 @@
-import { isError, isErrorEvent } from '@sentry/utils/dist/is';
+import { isError, isErrorEvent } from '@sentry/utils/is';
 
 /*
  TraceKit - Cross brower stack traces
diff --git a/packages/browser/src/transports/base.ts b/packages/browser/src/transports/base.ts
index d8e6a2730960..3ad655c31c0c 100644
--- a/packages/browser/src/transports/base.ts
+++ b/packages/browser/src/transports/base.ts
@@ -5,7 +5,7 @@ import {
   Transport,
   TransportOptions,
 } from '@sentry/types';
-import { urlEncode } from '@sentry/utils';
+import { urlEncode } from '@sentry/utils/object';
 
 /** Base Transport class implementation */
 export abstract class BaseTransport implements Transport {
diff --git a/packages/browser/src/transports/fetch.ts b/packages/browser/src/transports/fetch.ts
index 28348f961e91..dafee1cad76b 100644
--- a/packages/browser/src/transports/fetch.ts
+++ b/packages/browser/src/transports/fetch.ts
@@ -1,9 +1,7 @@
 import { SentryEvent } from '@sentry/types';
-import {
-  getGlobalObject,
-  serialize,
-  supportsReferrerPolicy,
-} from '@sentry/utils';
+import { getGlobalObject } from '@sentry/utils/misc';
+import { serialize } from '@sentry/utils/object';
+import { supportsReferrerPolicy } from '@sentry/utils/supports';
 import { BaseTransport } from './base';
 
 const global: any = getGlobalObject();
diff --git a/packages/browser/src/transports/xhr.ts b/packages/browser/src/transports/xhr.ts
index dc63678d3e6c..dfb82ddbbd5e 100644
--- a/packages/browser/src/transports/xhr.ts
+++ b/packages/browser/src/transports/xhr.ts
@@ -1,5 +1,5 @@
 import { SentryEvent } from '@sentry/types';
-import { serialize } from '@sentry/utils';
+import { serialize } from '@sentry/utils/object';
 import { BaseTransport } from './base';
 
 /** `XHR` based transport */
diff --git a/packages/core/jest.config.js b/packages/core/jest.config.js
deleted file mode 100644
index 12c3f1ab9d94..000000000000
--- a/packages/core/jest.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-module.exports = {
-  collectCoverage: true,
-  transform: { '^.+\\.ts$': 'ts-jest' },
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  globals: {
-    'ts-jest': {
-      tsConfigFile: './tsconfig.json',
-    },
-  },
-};
diff --git a/packages/core/package.json b/packages/core/package.json
index 2e7a817fa6d8..19543372ea46 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -40,5 +40,17 @@
     "fix:tslint": "tslint --fix -t stylish -p .",
     "test": "jest",
     "test:watch": "jest --watch --notify"
+  },
+  "jest": {
+    "collectCoverage": true,
+    "transform": { "^.+\\.ts$": "ts-jest" },
+    "moduleFileExtensions": ["js", "ts"],
+    "testEnvironment": "node",
+    "testMatch": ["**/*.test.ts"],
+    "globals": {
+      "ts-jest": {
+        "tsConfigFile": "./tsconfig.json"
+      }
+    }
   }
 }
diff --git a/packages/core/src/base.ts b/packages/core/src/base.ts
index 6af9449b97f5..0c7a009739d2 100644
--- a/packages/core/src/base.ts
+++ b/packages/core/src/base.ts
@@ -1,6 +1,7 @@
 import { Scope } from '@sentry/hub';
 import { Breadcrumb, SdkInfo, SentryEvent } from '@sentry/types';
-import { truncate, uuid4 } from '@sentry/utils';
+import { uuid4 } from '@sentry/utils/misc';
+import { truncate } from '@sentry/utils/string';
 import { DSN } from './dsn';
 import { Backend, Client, Options } from './interfaces';
 import { SendStatus } from './status';
diff --git a/packages/core/test/lib/base.test.ts b/packages/core/test/lib/base.test.ts
index a77127c30afb..b435a3961d73 100644
--- a/packages/core/test/lib/base.test.ts
+++ b/packages/core/test/lib/base.test.ts
@@ -6,10 +6,13 @@ import { TEST_SDK, TestClient } from '../mocks/client';
 
 const PUBLIC_DSN = 'https://username@domain/path';
 
-jest.mock('@sentry/utils', () => ({
+jest.mock('@sentry/utils/misc', () => ({
   uuid4(): string {
     return '42';
   },
+}));
+
+jest.mock('@sentry/utils/string', () => ({
   truncate(str: string): string {
     return str;
   },
diff --git a/packages/hub/jest.config.js b/packages/hub/jest.config.js
deleted file mode 100644
index 12c3f1ab9d94..000000000000
--- a/packages/hub/jest.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-module.exports = {
-  collectCoverage: true,
-  transform: { '^.+\\.ts$': 'ts-jest' },
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  globals: {
-    'ts-jest': {
-      tsConfigFile: './tsconfig.json',
-    },
-  },
-};
diff --git a/packages/hub/package.json b/packages/hub/package.json
index 84bc3fa11bac..6486396e733a 100644
--- a/packages/hub/package.json
+++ b/packages/hub/package.json
@@ -37,5 +37,17 @@
     "fix:tslint": "tslint --fix -t stylish -p .",
     "test": "jest",
     "test:watch": "jest --watch --notify"
+  },
+  "jest": {
+    "collectCoverage": true,
+    "transform": { "^.+\\.ts$": "ts-jest" },
+    "moduleFileExtensions": ["js", "ts"],
+    "testEnvironment": "node",
+    "testMatch": ["**/*.test.ts"],
+    "globals": {
+      "ts-jest": {
+        "tsConfigFile": "./tsconfig.json"
+      }
+    }
   }
 }
diff --git a/packages/minimal/jest.config.js b/packages/minimal/jest.config.js
deleted file mode 100644
index 12c3f1ab9d94..000000000000
--- a/packages/minimal/jest.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-module.exports = {
-  collectCoverage: true,
-  transform: { '^.+\\.ts$': 'ts-jest' },
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  globals: {
-    'ts-jest': {
-      tsConfigFile: './tsconfig.json',
-    },
-  },
-};
diff --git a/packages/minimal/package.json b/packages/minimal/package.json
index 4fe159ece2b6..53a933b6d394 100644
--- a/packages/minimal/package.json
+++ b/packages/minimal/package.json
@@ -38,5 +38,17 @@
     "fix:tslint": "tslint --fix -t stylish -p .",
     "test": "jest",
     "test:watch": "jest --watch --notify"
+  },
+  "jest": {
+    "collectCoverage": true,
+    "transform": { "^.+\\.ts$": "ts-jest" },
+    "moduleFileExtensions": ["js", "ts"],
+    "testEnvironment": "node",
+    "testMatch": ["**/*.test.ts"],
+    "globals": {
+      "ts-jest": {
+        "tsConfigFile": "./tsconfig.json"
+      }
+    }
   }
 }
diff --git a/packages/node/jest.config.js b/packages/node/jest.config.js
deleted file mode 100644
index 12c3f1ab9d94..000000000000
--- a/packages/node/jest.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-module.exports = {
-  collectCoverage: true,
-  transform: { '^.+\\.ts$': 'ts-jest' },
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  globals: {
-    'ts-jest': {
-      tsConfigFile: './tsconfig.json',
-    },
-  },
-};
diff --git a/packages/node/package.json b/packages/node/package.json
index 104e6c6ed194..2315268c85a6 100644
--- a/packages/node/package.json
+++ b/packages/node/package.json
@@ -42,5 +42,17 @@
     "fix:tslint": "tslint --fix -t stylish -p .",
     "test": "jest",
     "test:watch": "jest --watch --notify"
+  },
+  "jest": {
+    "collectCoverage": true,
+    "transform": { "^.+\\.ts$": "ts-jest" },
+    "moduleFileExtensions": ["js", "ts"],
+    "testEnvironment": "node",
+    "testMatch": ["**/*.test.ts"],
+    "globals": {
+      "ts-jest": {
+        "tsConfigFile": "./tsconfig.json"
+      }
+    }
   }
 }
diff --git a/packages/node/src/integrations/console.ts b/packages/node/src/integrations/console.ts
index 82654bee5ac3..44f1d1a49534 100644
--- a/packages/node/src/integrations/console.ts
+++ b/packages/node/src/integrations/console.ts
@@ -1,6 +1,6 @@
 import { addBreadcrumb } from '@sentry/minimal';
 import { Integration, Severity } from '@sentry/types';
-import { fill } from '@sentry/utils';
+import { fill } from '@sentry/utils/object';
 import { format } from 'util';
 
 /**
diff --git a/packages/node/src/integrations/http.ts b/packages/node/src/integrations/http.ts
index b3bbfa845938..bd7e54f0b985 100644
--- a/packages/node/src/integrations/http.ts
+++ b/packages/node/src/integrations/http.ts
@@ -1,6 +1,6 @@
 import { addBreadcrumb } from '@sentry/minimal';
 import { Integration } from '@sentry/types';
-import { fill } from '@sentry/utils';
+import { fill } from '@sentry/utils/object';
 import { ClientRequest, ClientRequestArgs, ServerResponse } from 'http';
 import { inherits } from 'util';
 import { getDefaultHub } from '../hub';
diff --git a/packages/typescript/tslint.json b/packages/typescript/tslint.json
index 2e76c370b9c7..1151b04b831a 100644
--- a/packages/typescript/tslint.json
+++ b/packages/typescript/tslint.json
@@ -4,6 +4,8 @@
     // This rule has side effects and must be disabled
     "no-unused-variable": false,
 
+    "no-submodule-imports": false,
+
     // We don't want these
     "newline-before-return": false,
     "no-any": false,
diff --git a/packages/utils/.gitignore b/packages/utils/.gitignore
new file mode 100644
index 000000000000..1a514e34e2c2
--- /dev/null
+++ b/packages/utils/.gitignore
@@ -0,0 +1,3 @@
+*.js.map
+*.d.ts
+*.js
diff --git a/packages/utils/.npmignore b/packages/utils/.npmignore
index aa36c10c6872..c5d98186ca76 100644
--- a/packages/utils/.npmignore
+++ b/packages/utils/.npmignore
@@ -1,2 +1,5 @@
 *
-!/dist/**/*
+!*.js.map
+!*.d.ts
+!*.js
+jest.config.js
diff --git a/packages/utils/README.md b/packages/utils/README.md
index 05728dcadfdf..8d017bb3b6c5 100644
--- a/packages/utils/README.md
+++ b/packages/utils/README.md
@@ -11,4 +11,5 @@
 [![npm dm](https://img.shields.io/npm/dm/@sentry/utils.svg)](https://www.npmjs.com/package/@sentry/utils)
 [![npm dt](https://img.shields.io/npm/dt/@sentry/utils.svg)](https://www.npmjs.com/package/@sentry/utils)
 
-Common utilities used by the Sentry JavaScript SDKs.
+Common utilities used by the Sentry JavaScript SDKs. **Warning, only submodule
+imports are allowed here.**
diff --git a/packages/utils/jest.config.js b/packages/utils/jest.config.js
deleted file mode 100644
index 12c3f1ab9d94..000000000000
--- a/packages/utils/jest.config.js
+++ /dev/null
@@ -1,12 +0,0 @@
-module.exports = {
-  collectCoverage: true,
-  transform: { '^.+\\.ts$': 'ts-jest' },
-  moduleFileExtensions: ['js', 'ts'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.test.ts'],
-  globals: {
-    'ts-jest': {
-      tsConfigFile: './tsconfig.json',
-    },
-  },
-};
diff --git a/packages/utils/package.json b/packages/utils/package.json
index d9e6e8c44685..47248e686733 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -9,8 +9,6 @@
   "engines": {
     "node": ">=6"
   },
-  "main": "dist/index.js",
-  "types": "dist/index.d.ts",
   "publishConfig": {
     "access": "public"
   },
@@ -29,7 +27,7 @@
   },
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
-    "clean": "rimraf dist coverage",
+    "clean": "rimraf dist coverage *.js *.js.map *.d.ts",
     "lint": "run-s lint:prettier lint:tslint",
     "lint:prettier": "prettier-check '{src,test}/**/*.ts'",
     "lint:tslint": "tslint -t stylish -p .",
@@ -38,5 +36,17 @@
     "fix:tslint": "tslint --fix -t stylish -p .",
     "test": "jest",
     "test:watch": "jest --watch --notify"
+  },
+  "jest": {
+    "collectCoverage": true,
+    "transform": { "^.+\\.ts$": "ts-jest" },
+    "moduleFileExtensions": ["js", "ts"],
+    "testEnvironment": "node",
+    "testMatch": ["**/*.test.ts"],
+    "globals": {
+      "ts-jest": {
+        "tsConfigFile": "./tsconfig.json"
+      }
+    }
   }
 }
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index bf72f5ce6a92..ff9db13db791 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -1,14 +1,2 @@
-export { forget, filterAsync } from './async';
-export { mkdirp, mkdirpSync } from './fs';
-export { clone, deserialize, fill, serialize, urlEncode } from './object';
-export { Store } from './store';
-export { isError, isErrorEvent, isDOMError, isDOMException } from './is';
-export { truncate } from './string';
-export {
-  supportsDOMError,
-  supportsDOMException,
-  supportsErrorEvent,
-  supportsFetch,
-  supportsReferrerPolicy,
-} from './supports';
-export { getGlobalObject, uuid4 } from './misc';
+// We do not export anything by default since we always want to deep import
+// like: import { getGlobalObject } from '@sentry/utils/misc';
diff --git a/packages/utils/src/object.ts b/packages/utils/src/object.ts
index 455b58b324bf..c7abba4acb7e 100644
--- a/packages/utils/src/object.ts
+++ b/packages/utils/src/object.ts
@@ -137,7 +137,9 @@ export function fill(
 ): void {
   const orig = source[name];
   source[name] = replacement(orig);
+  // tslint:disable-next-line:no-unsafe-any
   source[name].__raven__ = true;
+  // tslint:disable-next-line:no-unsafe-any
   source[name].__orig__ = orig;
   if (track) {
     track.push([source, name, orig]);
@@ -152,6 +154,9 @@ export function fill(
  */
 export function urlEncode(object: { [key: string]: any }): string {
   return Object.keys(object)
-    .map(key => `${encodeURIComponent(key)}=${encodeURIComponent(object[key])}`)
+    .map(
+      // tslint:disable-next-line:no-unsafe-any
+      key => `${encodeURIComponent(key)}=${encodeURIComponent(object[key])}`,
+    )
     .join('&');
 }
diff --git a/packages/utils/test/async.test.ts b/packages/utils/test/async.test.ts
index f9dd05e44de0..065275e2d3c4 100644
--- a/packages/utils/test/async.test.ts
+++ b/packages/utils/test/async.test.ts
@@ -1,4 +1,4 @@
-import { filterAsync, forget } from '../src';
+import { filterAsync, forget } from '../src/async';
 
 describe('forget', () => {
   const console = {
diff --git a/packages/utils/test/is.test.ts b/packages/utils/test/is.test.ts
index abcafa1f002d..eb6c689cbf52 100644
--- a/packages/utils/test/is.test.ts
+++ b/packages/utils/test/is.test.ts
@@ -1,12 +1,9 @@
+import { isDOMError, isDOMException, isError, isErrorEvent } from '../src/is';
 import {
-  isDOMError,
-  isDOMException,
-  isError,
-  isErrorEvent,
   supportsDOMError,
   supportsDOMException,
   supportsErrorEvent,
-} from '../src';
+} from '../src/supports';
 
 class SentryError extends Error {
   public name: string;
diff --git a/packages/utils/test/object.test.ts b/packages/utils/test/object.test.ts
index f4bde6360fe1..3ea9decbf001 100644
--- a/packages/utils/test/object.test.ts
+++ b/packages/utils/test/object.test.ts
@@ -1,4 +1,4 @@
-import { clone, deserialize, fill, serialize, urlEncode } from '../src';
+import { clone, deserialize, fill, serialize, urlEncode } from '../src/object';
 
 const MATRIX = [
   { name: 'boolean', object: true, serialized: 'true' },
diff --git a/packages/utils/test/store.test.ts b/packages/utils/test/store.test.ts
index 02f555d3c76a..f4e7458520f5 100644
--- a/packages/utils/test/store.test.ts
+++ b/packages/utils/test/store.test.ts
@@ -3,7 +3,7 @@ import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
 
-import { Store } from '../src';
+import { Store } from '../src/store';
 
 jest.useFakeTimers();
 
diff --git a/packages/utils/test/string.test.ts b/packages/utils/test/string.test.ts
index c2fa3a60d080..205aedd9c258 100644
--- a/packages/utils/test/string.test.ts
+++ b/packages/utils/test/string.test.ts
@@ -1,4 +1,4 @@
-import { truncate } from '../src';
+import { truncate } from '../src/string';
 
 describe('truncate()', () => {
   test('it works as expected', () => {
diff --git a/packages/utils/tsconfig.build.json b/packages/utils/tsconfig.build.json
index c0816d87b819..f978a9cb2947 100644
--- a/packages/utils/tsconfig.build.json
+++ b/packages/utils/tsconfig.build.json
@@ -2,8 +2,9 @@
   "extends": "../../tsconfig.json",
   "compilerOptions": {
     "baseUrl": ".",
-    "outDir": "dist",
+    "outDir": ".",
     "rootDir": "src"
   },
+  "exclude": [],
   "include": ["src/**/*.ts"]
 }
diff --git a/yarn.lock b/yarn.lock
index 105ddc94adb1..b93a5b05ed40 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -80,12 +80,6 @@ abbrev@1.0.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
 
-abstract-leveldown@~0.12.0, abstract-leveldown@~0.12.1:
-  version "0.12.4"
-  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-0.12.4.tgz#29e18e632e60e4e221d5810247852a63d7b2e410"
-  dependencies:
-    xtend "~3.0.0"
-
 accepts@1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.3.tgz#c3ca7434938648c3e0d9c1e328dd68b622c284ca"
@@ -1021,12 +1015,6 @@ bitsyntax@~0.0.4:
   dependencies:
     buffer-more-ints "0.0.2"
 
-bl@~0.8.1:
-  version "0.8.2"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-0.8.2.tgz#c9b6bca08d1bc2ea00fc8afb4f1a5fd1e1c66e4e"
-  dependencies:
-    readable-stream "~1.0.26"
-
 bl@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/bl/-/bl-1.1.2.tgz#fdca871a99713aa00d19e3bbba41c44787a65398"
@@ -1166,14 +1154,6 @@ browserify-des@^1.0.0:
     des.js "^1.0.0"
     inherits "^2.0.1"
 
-browserify-fs@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/browserify-fs/-/browserify-fs-1.0.0.tgz#f075aa8a729d4d1716d066620e386fcc1311a96f"
-  dependencies:
-    level-filesystem "^1.0.1"
-    level-js "^2.1.3"
-    levelup "^0.18.2"
-
 browserify-rsa@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
@@ -1212,14 +1192,6 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
-buffer-es6@^4.9.2:
-  version "4.9.3"
-  resolved "https://registry.yarnpkg.com/buffer-es6/-/buffer-es6-4.9.3.tgz#f26347b82df76fd37e18bcb5288c4970cfd5c404"
-
-buffer-from@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.0.tgz#87fcaa3a298358e0ade6e442cfce840740d1ad04"
-
 buffer-more-ints@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/buffer-more-ints/-/buffer-more-ints-0.0.2.tgz#26b3885d10fa13db7fc01aae3aab870199e0124c"
@@ -1473,10 +1445,6 @@ clone@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.3.tgz#298d7e2231660f40c003c2ed3140decf3f53085f"
 
-clone@~0.1.9:
-  version "0.1.19"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-0.1.19.tgz#613fb68639b26a494ac53253e15b1a6bd88ada85"
-
 cmd-shim@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/cmd-shim/-/cmd-shim-2.0.2.tgz#6fcbda99483a8fd15d7d30a196ca69d688a2efdb"
@@ -1596,15 +1564,6 @@ concat-stream@^1.4.10:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-concat-stream@^1.4.4:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
-  dependencies:
-    buffer-from "^1.0.0"
-    inherits "^2.0.3"
-    readable-stream "^2.2.2"
-    typedarray "^0.0.6"
-
 connect@^3.6.0:
   version "3.6.5"
   resolved "https://registry.yarnpkg.com/connect/-/connect-3.6.5.tgz#fb8dde7ba0763877d0ec9df9dac0b4b40e72c7da"
@@ -1890,7 +1849,7 @@ cryptiles@3.x.x:
   dependencies:
     boom "5.x.x"
 
-crypto-browserify@^3.11.0, crypto-browserify@^3.11.1:
+crypto-browserify@^3.11.1:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
   dependencies:
@@ -2021,12 +1980,6 @@ defaults@^1.0.3:
   dependencies:
     clone "^1.0.2"
 
-deferred-leveldown@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-0.2.0.tgz#2cef1f111e1c57870d8bbb8af2650e587cd2f5b4"
-  dependencies:
-    abstract-leveldown "~0.12.1"
-
 define-properties@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
@@ -2225,12 +2178,6 @@ ent@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/ent/-/ent-2.2.0.tgz#e964219325a21d05f44466a2f686ed6ce5f5dd1d"
 
-errno@^0.1.1, errno@~0.1.1:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
-  dependencies:
-    prr "~1.0.1"
-
 error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
@@ -2612,7 +2559,7 @@ for-own@^0.1.4:
   dependencies:
     for-in "^1.0.1"
 
-foreach@^2.0.5, foreach@~2.0.1:
+foreach@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
 
@@ -2715,12 +2662,6 @@ function-bind@^1.0.2, function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
-fwd-stream@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/fwd-stream/-/fwd-stream-1.0.4.tgz#ed281cabed46feecf921ee32dc4c50b372ac7cfa"
-  dependencies:
-    readable-stream "~1.0.26-4"
-
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -3190,10 +3131,6 @@ iconv-lite@0.4.19, iconv-lite@^0.4.17:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
-idb-wrapper@^1.5.0:
-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/idb-wrapper/-/idb-wrapper-1.7.2.tgz#8251afd5e77fe95568b1c16152eb44b396767ea2"
-
 ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
@@ -3215,7 +3152,7 @@ indent-string@^2.1.0:
   dependencies:
     repeating "^2.0.0"
 
-indexof@0.0.1, indexof@~0.0.1:
+indexof@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
 
@@ -3462,10 +3399,6 @@ is-obj@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
 
-is-object@~0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/is-object/-/is-object-0.1.2.tgz#00efbc08816c33cfc4ac8251d132e10dc65098d7"
-
 is-odd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-odd/-/is-odd-1.0.0.tgz#3b8a932eb028b3775c39bb09e91767accdb69088"
@@ -3538,10 +3471,6 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
-is@~0.2.6:
-  version "0.2.7"
-  resolved "https://registry.yarnpkg.com/is/-/is-0.2.7.tgz#3b34a2c48f359972f35042849193ae7264b63562"
-
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
@@ -3558,10 +3487,6 @@ isbinaryfile@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/isbinaryfile/-/isbinaryfile-3.0.2.tgz#4a3e974ec0cba9004d3fc6cde7209ea69368a621"
 
-isbuffer@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/isbuffer/-/isbuffer-0.0.0.tgz#38c146d9df528b8bf9b0701c3d43cf12df3fc39b"
-
 isexe@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
@@ -4378,82 +4303,6 @@ lerna@^2.11.0:
     write-pkg "^3.1.0"
     yargs "^8.0.2"
 
-level-blobs@^0.1.7:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/level-blobs/-/level-blobs-0.1.7.tgz#9ab9b97bb99f1edbf9f78a3433e21ed56386bdaf"
-  dependencies:
-    level-peek "1.0.6"
-    once "^1.3.0"
-    readable-stream "^1.0.26-4"
-
-level-filesystem@^1.0.1:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/level-filesystem/-/level-filesystem-1.2.0.tgz#a00aca9919c4a4dfafdca6a8108d225aadff63b3"
-  dependencies:
-    concat-stream "^1.4.4"
-    errno "^0.1.1"
-    fwd-stream "^1.0.4"
-    level-blobs "^0.1.7"
-    level-peek "^1.0.6"
-    level-sublevel "^5.2.0"
-    octal "^1.0.0"
-    once "^1.3.0"
-    xtend "^2.2.0"
-
-level-fix-range@2.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/level-fix-range/-/level-fix-range-2.0.0.tgz#c417d62159442151a19d9a2367868f1724c2d548"
-  dependencies:
-    clone "~0.1.9"
-
-level-fix-range@~1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/level-fix-range/-/level-fix-range-1.0.2.tgz#bf15b915ae36d8470c821e883ddf79cd16420828"
-
-"level-hooks@>=4.4.0 <5":
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/level-hooks/-/level-hooks-4.5.0.tgz#1b9ae61922930f3305d1a61fc4d83c8102c0dd93"
-  dependencies:
-    string-range "~1.2"
-
-level-js@^2.1.3:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/level-js/-/level-js-2.2.4.tgz#bc055f4180635d4489b561c9486fa370e8c11697"
-  dependencies:
-    abstract-leveldown "~0.12.0"
-    idb-wrapper "^1.5.0"
-    isbuffer "~0.0.0"
-    ltgt "^2.1.2"
-    typedarray-to-buffer "~1.0.0"
-    xtend "~2.1.2"
-
-level-peek@1.0.6, level-peek@^1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/level-peek/-/level-peek-1.0.6.tgz#bec51c72a82ee464d336434c7c876c3fcbcce77f"
-  dependencies:
-    level-fix-range "~1.0.2"
-
-level-sublevel@^5.2.0:
-  version "5.2.3"
-  resolved "https://registry.yarnpkg.com/level-sublevel/-/level-sublevel-5.2.3.tgz#744c12c72d2e72be78dde3b9b5cd84d62191413a"
-  dependencies:
-    level-fix-range "2.0"
-    level-hooks ">=4.4.0 <5"
-    string-range "~1.2.1"
-    xtend "~2.0.4"
-
-levelup@^0.18.2:
-  version "0.18.6"
-  resolved "https://registry.yarnpkg.com/levelup/-/levelup-0.18.6.tgz#e6a01cb089616c8ecc0291c2a9bd3f0c44e3e5eb"
-  dependencies:
-    bl "~0.8.1"
-    deferred-leveldown "~0.2.0"
-    errno "~0.1.1"
-    prr "~0.0.0"
-    readable-stream "~1.0.26"
-    semver "~2.3.1"
-    xtend "~3.0.0"
-
 leven@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
@@ -4650,10 +4499,6 @@ lru-cache@~2.6.5:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.6.5.tgz#e56d6354148ede8d7707b58d143220fd08df0fd5"
 
-ltgt@^2.1.2:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/ltgt/-/ltgt-2.2.1.tgz#f35ca91c493f7b73da0e07495304f17b31f87ee5"
-
 magic-string@^0.22.4:
   version "0.22.4"
   resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.22.4.tgz#31039b4e40366395618c1d6cf8193c53917475ff"
@@ -5128,18 +4973,6 @@ object-keys@^1.0.8:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
 
-object-keys@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.2.0.tgz#cddec02998b091be42bf1035ae32e49f1cb6ea67"
-  dependencies:
-    foreach "~2.0.1"
-    indexof "~0.0.1"
-    is "~0.2.6"
-
-object-keys@~0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-0.4.0.tgz#28a6aae7428dd2c3a92f3d95f21335dd204e0336"
-
 object-visit@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
@@ -5166,10 +4999,6 @@ object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
-octal@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/octal/-/octal-1.0.0.tgz#63e7162a68efbeb9e213588d58e989d1e5c4530b"
-
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -5528,10 +5357,6 @@ private@^0.1.6, private@^0.1.7, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
-process-es6@^0.11.2:
-  version "0.11.6"
-  resolved "https://registry.yarnpkg.com/process-es6/-/process-es6-0.11.6.tgz#c6bb389f9a951f82bd4eb169600105bd2ff9c778"
-
 process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
@@ -5553,14 +5378,6 @@ proxy-agent@~2.0.0:
     pac-proxy-agent "1"
     socks-proxy-agent "2"
 
-prr@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
-
-prr@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/prr/-/prr-1.0.1.tgz#d3fc114ba06995a45ec6893f484ceb1d78f5f476"
-
 ps-tree@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/ps-tree/-/ps-tree-1.1.0.tgz#b421b24140d6203f1ed3c76996b4427b08e8c014"
@@ -5734,7 +5551,7 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
-readable-stream@1.1.x, "readable-stream@1.x >=1.1.9", readable-stream@^1.0.26-4, readable-stream@^1.1.7:
+readable-stream@1.1.x, "readable-stream@1.x >=1.1.9", readable-stream@^1.1.7:
   version "1.1.14"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
   dependencies:
@@ -5755,15 +5572,6 @@ readable-stream@2, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stre
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
-readable-stream@~1.0.26, readable-stream@~1.0.26-4:
-  version "1.0.34"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
-  dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
-
 readable-stream@~2.0.0, readable-stream@~2.0.5:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
@@ -6110,15 +5918,6 @@ rollup-plugin-commonjs@^9.1.3:
     resolve "^1.5.0"
     rollup-pluginutils "^2.0.1"
 
-rollup-plugin-node-builtins@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-node-builtins/-/rollup-plugin-node-builtins-2.1.2.tgz#24a1fed4a43257b6b64371d8abc6ce1ab14597e9"
-  dependencies:
-    browserify-fs "^1.0.0"
-    buffer-es6 "^4.9.2"
-    crypto-browserify "^3.11.0"
-    process-es6 "^0.11.2"
-
 rollup-plugin-node-resolve@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.3.0.tgz#c26d110a36812cbefa7ce117cadcd3439aa1c713"
@@ -6206,10 +6005,6 @@ sax@^1.2.4:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
-semver@~2.3.1:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-2.3.2.tgz#b9848f25d6cf36333073ec9ef8856d42f1233e52"
-
 semver@~5.0.1:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.0.3.tgz#77466de589cd5d3c95f138aa78bc569a3cb5d27a"
@@ -6606,10 +6401,6 @@ string-length@^2.0.0:
     astral-regex "^1.0.0"
     strip-ansi "^4.0.0"
 
-string-range@~1.2, string-range@~1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/string-range/-/string-range-1.2.2.tgz#a893ed347e72299bc83befbbf2a692a8d239d5dd"
-
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
@@ -6999,10 +6790,6 @@ type-is@~1.6.15:
     media-typer "0.3.0"
     mime-types "~2.1.15"
 
-typedarray-to-buffer@~1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-1.0.4.tgz#9bb8ba0e841fb3f4cf1fe7c245e9f3fa8a5fe99c"
-
 typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
@@ -7326,31 +7113,10 @@ xregexp@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-2.0.0.tgz#52a63e56ca0b84a7f3a5f3d61872f126ad7a5943"
 
-xtend@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.2.0.tgz#eef6b1f198c1c8deafad8b1765a04dad4a01c5a9"
-
 xtend@^4.0.0, xtend@~4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
-xtend@~2.0.4:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.0.6.tgz#5ea657a6dba447069c2e59c58a1138cb0c5e6cee"
-  dependencies:
-    is-object "~0.1.2"
-    object-keys "~0.2.0"
-
-xtend@~2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.1.2.tgz#6efecc2a4dad8e6962c4901b337ce7ba87b5d28b"
-  dependencies:
-    object-keys "~0.4.0"
-
-xtend@~3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-3.0.0.tgz#5cce7407baf642cba7becda568111c493f59665a"
-
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"