diff --git a/README.md b/README.md
index 479cbcb4..189c6a6b 100755
--- a/README.md
+++ b/README.md
@@ -120,7 +120,6 @@ interface EmberCLIBabelConfig {
     disableDebugTooling?: boolean;
     disablePresetEnv?: boolean;
     disableEmberModulesAPIPolyfill?: boolean;
-    disableEmberDataPackagesPolyfill?: boolean;
     disableDecoratorTransforms?: boolean;
     extensions?: string[];
   };
diff --git a/index.js b/index.js
index 26e70141..6010ab74 100644
--- a/index.js
+++ b/index.js
@@ -301,7 +301,6 @@ module.exports = {
       userPlugins,
       this._getDebugMacroPlugins(config),
       this._getEmberModulesAPIPolyfill(config),
-      this._getEmberDataPackagesPolyfill(config),
       shouldCompileModules && this._getModulesPlugin(),
       userPostTransformPlugins
     ).filter(Boolean);
@@ -445,16 +444,6 @@ module.exports = {
     }
   },
 
-  _getEmberDataPackagesPolyfill(config) {
-    let addonOptions = config['ember-cli-babel'] || {};
-
-    if (addonOptions.disableEmberDataPackagesPolyfill) { return; }
-
-    if (this._emberDataVersionRequiresPackagesPolyfill()) {
-      return [[require.resolve('babel-plugin-ember-data-packages-polyfill')]];
-    }
-  },
-
   _getPresetEnv(config) {
     let options = config.options;
 
@@ -522,20 +511,6 @@ module.exports = {
     return true;
   },
 
-  _emberDataVersionRequiresPackagesPolyfill() {
-    let checker = new VersionChecker(this.project);
-    let dep = checker.for('ember-data');
-    let hasEmberData = dep.exists();
-
-    if (hasEmberData) {
-      if (!dep.version) {
-        throw new Error('EmberData missing version');
-      }
-      return semver.lt(dep.version, '3.12.0-alpha.0');
-    }
-    return false;
-  },
-
   _getEmberModulesAPIBlacklist() {
     const blacklist = {
       '@ember/debug': ['assert', 'deprecate', 'warn'],
diff --git a/node-tests/addon-test.js b/node-tests/addon-test.js
index 2aa579f2..597ee270 100644
--- a/node-tests/addon-test.js
+++ b/node-tests/addon-test.js
@@ -8,24 +8,10 @@ const CoreObject = require('core-object');
 const AddonMixin = require('../index');
 const CommonTags = require('common-tags');
 const stripIndent = CommonTags.stripIndent;
-const FixturifyProject = require('fixturify-project');
-const EmberProject = require('ember-cli/lib/models/project');
-const MockCLI = require('ember-cli/tests/helpers/mock-cli');
 const BroccoliTestHelper = require('broccoli-test-helper');
 const createBuilder = BroccoliTestHelper.createBuilder;
 const createTempDir = BroccoliTestHelper.createTempDir;
 const terminateWorkerPool = require('./utils/terminate-workers');
-const path = require('path');
-const fs = require('fs');
-const rimraf = require('rimraf');
-
-function prepareAddon(addon) {
-  addon.pkg.keywords.push('ember-addon');
-  addon.pkg['ember-addon'] = {};
-  addon.files['index.js'] = 'module.exports = { name: require("./package").name };';
-
-  return addon;
-}
 
 let Addon = CoreObject.extend(AddonMixin);
 
@@ -36,8 +22,6 @@ describe('ember-cli-babel', function() {
   beforeEach(function() {
     this.ui = new MockUI();
     let project = {
-      isEmberCLIProject: () => true,
-      _addonsInitialized: true,
       root: __dirname,
       emberCLIVersion: () => '2.16.2',
       dependencies() { return {}; },
@@ -1001,19 +985,19 @@ describe('ember-cli-babel', function() {
     });
 
     it('provides an annotation including parent name - addon', function() {
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         name: 'derpy-herpy',
         dependencies() { return {}; },
-      });
+      };
       let result = this.addon.buildBabelOptions();
       expect(result.annotation).to.include('derpy-herpy');
     });
 
     it('provides an annotation including parent name - project', function() {
-      this.addon.parent = Object.assign({}, this.addon.parent, {
-        name: 'derpy-herpy',
+      this.addon.parent = {
+        name() { return 'derpy-herpy'; },
         dependencies() { return {}; },
-      });
+      };
       let result = this.addon.buildBabelOptions();
       expect(result.annotation).to.include('derpy-herpy');
     });
@@ -1060,12 +1044,12 @@ describe('ember-cli-babel', function() {
 
     it('does not include all provided options', function() {
       let babelOptions = { blah: true };
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         dependencies() { return {}; },
         options: {
           babel: babelOptions,
         },
-      });
+      };
 
       let result = this.addon.buildBabelOptions();
       expect(result.blah).to.be.undefined;
@@ -1073,14 +1057,14 @@ describe('ember-cli-babel', function() {
 
     it('includes user plugins in parent.options.babel.plugins', function() {
       let plugin = {};
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         dependencies() { return {}; },
         options: {
           babel: {
             plugins: [ plugin ]
           },
         },
-      });
+      };
 
       let result = this.addon.buildBabelOptions();
       expect(result.plugins).to.deep.include(plugin);
@@ -1089,7 +1073,7 @@ describe('ember-cli-babel', function() {
     it('includes postTransformPlugins after preset-env plugins', function() {
       let plugin = {};
       let pluginAfter = {};
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         dependencies() { return {}; },
         options: {
           babel: {
@@ -1097,7 +1081,7 @@ describe('ember-cli-babel', function() {
             postTransformPlugins: [ pluginAfter ]
           },
         },
-      });
+      };
 
       let result = this.addon.buildBabelOptions();
 
@@ -1112,14 +1096,14 @@ describe('ember-cli-babel', function() {
           disablePresetEnv: true,
         }
       };
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         dependencies() { return {}; },
         options: {
           babel6: {
             plugins: [ {} ]
           },
         },
-      });
+      };
 
       let result = this.addon.buildBabelOptions(options);
       expect(result.presets).to.deep.equal([]);
@@ -1127,14 +1111,14 @@ describe('ember-cli-babel', function() {
 
     it('user plugins are before preset-env plugins', function() {
       let plugin = function Plugin() {};
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         dependencies() { return {}; },
         options: {
           babel: {
             plugins: [ plugin ]
           },
         },
-      });
+      };
 
       let result = this.addon.buildBabelOptions();
       expect(result.plugins[0]).to.equal(plugin);
@@ -1184,12 +1168,12 @@ describe('ember-cli-babel', function() {
 
     it('passes options.babel through to preset-env', function() {
       let babelOptions = { loose: true };
-      this.addon.parent = Object.assign({}, this.addon.parent, {
+      this.addon.parent = {
         dependencies() { return {}; },
         options: {
           babel: babelOptions,
         },
-      });
+      };
 
       let options = this.addon.buildBabelOptions();
 
@@ -1230,135 +1214,3 @@ describe('ember-cli-babel', function() {
     });
   });
 });
-
-describe('EmberData Packages Polyfill', function() {
-  this.timeout(0);
-
-  let input;
-  let output;
-  let subject;
-  let setupForVersion;
-  let project;
-  let unlink;
-
-  beforeEach(function() {
-    let self = this;
-    setupForVersion = co.wrap(function*(v) {
-      let fixturifyProject = new FixturifyProject('whatever', '0.0.1');
-      fixturifyProject.addDependency('ember-data', v, addon => {
-        return prepareAddon(addon);
-      });
-      fixturifyProject.addDependency('ember-cli-babel', 'babel/ember-cli-babel#master');
-      fixturifyProject.addDependency('random-addon', '0.0.1', addon => {
-        return prepareAddon(addon);
-      });
-      let pkg = JSON.parse(fixturifyProject.toJSON('package.json'));
-      fixturifyProject.writeSync();
-
-      let linkPath = path.join(fixturifyProject.root, '/whatever/node_modules/ember-cli-babel');
-      let addonPath = path.resolve(__dirname, '../');
-      rimraf.sync(linkPath);
-      fs.symlinkSync(addonPath, linkPath);
-      unlink = () => {
-        fs.unlinkSync(linkPath);
-      };
-
-      let cli = new MockCLI();
-      let root = path.join(fixturifyProject.root, 'whatever');
-      project = new EmberProject(root, pkg, cli.ui, cli);
-      project.initializeAddons();
-
-      self.addon = project.addons.find(a => { return a.name === 'ember-cli-babel'; });
-
-      input = yield createTempDir();
-    });
-  });
-
-  afterEach(co.wrap(function*() {
-    unlink();
-    yield input.dispose();
-    yield output.dispose();
-    // shut down workers after the tests are run so that mocha doesn't hang
-    yield terminateWorkerPool();
-  }));
-
-  it("does not convert when _emberDataVersionRequiresPackagesPolyfill returns false", co.wrap(function*() {
-    yield setupForVersion('3.12.0-alpha.0');
-    input.write({
-      "foo.js": `export { default } from '@ember-data/store';`,
-      "bar.js": `import Model, { attr } from '@ember-data/model';\nexport var User = Model;\nexport var name = attr;`,
-    });
-
-    subject = this.addon.transpileTree(input.path(), {
-      'ember-cli-babel': {
-        compileModules: false,
-        disableDebugTooling: true,
-        disableEmberDataPackagesPolyfill: true
-      }
-    });
-
-    output = createBuilder(subject);
-
-    yield output.build();
-
-    expect(
-      output.read()
-    ).to.deep.equal({
-      "foo.js": `export { default } from '@ember-data/store';`,
-      "bar.js": `import Model, { attr } from '@ember-data/model';\nexport var User = Model;\nexport var name = attr;`,
-    });
-  }));
-
-  it("does not convert for EmberData when _emberDataVersionRequiresPackagesPolyfill returns true and disableEmberDataPackagesPolyfill is true", co.wrap(function*() {
-    yield setupForVersion('3.11.0');
-    input.write({
-      "foo.js": `export { default } from '@ember-data/store';`,
-      "bar.js": `import Model, { attr } from '@ember-data/model';\nexport var User = Model;\nexport var name = attr;`,
-    });
-
-    subject = this.addon.transpileTree(input.path(), {
-      'ember-cli-babel': {
-        compileModules: false,
-        disableDebugTooling: true,
-        disableEmberDataPackagesPolyfill: true
-      }
-    });
-
-    output = createBuilder(subject);
-
-    yield output.build();
-
-    expect(
-      output.read()
-    ).to.deep.equal({
-      "foo.js": `export { default } from '@ember-data/store';`,
-      "bar.js": `import Model, { attr } from '@ember-data/model';\nexport var User = Model;\nexport var name = attr;`,
-    });
-  }));
-
-  it("it does convert for EmberData when _emberDataVersionRequiresPackagesPolyfill returns true", co.wrap(function*() {
-    yield setupForVersion('3.11.99');
-    input.write({
-      "foo.js": `export { default } from '@ember-data/store';`,
-      "bar.js": `import Model, { attr } from '@ember-data/model';\nexport var User = Model;export var name = attr;`,
-    });
-
-    subject = this.addon.transpileTree(input.path(), {
-      'ember-cli-babel': {
-        compileModules: false,
-        disableDebugTooling: true,
-      }
-    });
-
-    output = createBuilder(subject);
-
-    yield output.build();
-
-    expect(
-      output.read()
-    ).to.deep.equal({
-      "foo.js": `import DS from "ember-data";\nexport default DS.Store;`,
-      "bar.js": `import DS from "ember-data";\nexport var User = DS.Model;\nexport var name = DS.attr;`,
-    });
-  }));
-});
diff --git a/package.json b/package.json
index 8d216239..a9115fed 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,6 @@
     "@babel/runtime": "^7.8.3",
     "amd-name-resolver": "^1.2.1",
     "babel-plugin-debug-macros": "^0.3.0",
-    "babel-plugin-ember-data-packages-polyfill": "^0.1.0",
     "babel-plugin-ember-modules-api-polyfill": "^2.12.0",
     "babel-plugin-module-resolver": "^3.1.1",
     "broccoli-babel-transpiler": "^7.4.0",
@@ -59,10 +58,8 @@
     "broccoli-source": "^1.1.0",
     "clone": "^2.1.2",
     "ember-cli-babel-plugin-helpers": "^1.1.0",
-    "ember-cli-version-checker": "^4.1.0",
+    "ember-cli-version-checker": "^2.1.2",
     "ensure-posix-path": "^1.0.2",
-    "fixturify-project": "^1.10.0",
-    "rimraf": "^3.0.1",
     "semver": "^5.5.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index d883274c..1c57703f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5", "@babel/code-frame@^7.8.3":
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.8.3.tgz#33e25903d7481181534e12ec0a25f16b6fcf419e"
   integrity sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==
@@ -39,16 +39,6 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.7.4":
-  version "7.7.7"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.7.7.tgz#859ac733c44c74148e1a72980a64ec84b85f4f45"
-  integrity sha512-/AOIBpHh/JU1l0ZFS4kiRCBnLi6OTHzh0RPk3h9isBxkkqELtQNFi1Vr/tiG9p1yfoUdKVwISuXWQR+hwwM4VQ==
-  dependencies:
-    "@babel/types" "^7.7.4"
-    jsesc "^2.5.1"
-    lodash "^4.17.13"
-    source-map "^0.5.0"
-
 "@babel/generator@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.8.3.tgz#0e22c005b0a94c1c74eafe19ef78ce53a4d45c03"
@@ -131,15 +121,6 @@
     "@babel/traverse" "^7.8.3"
     "@babel/types" "^7.8.3"
 
-"@babel/helper-function-name@^7.7.4":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.7.4.tgz#ab6e041e7135d436d8f0a3eca15de5b67a341a2e"
-  integrity sha512-AnkGIdiBhEuiwdoMnKm7jfPfqItZhgRaZfMg1XX3bS25INOnLPjPG1Ppnajh8eqgt5kPJnfqrRHqFqmjKDZLzQ==
-  dependencies:
-    "@babel/helper-get-function-arity" "^7.7.4"
-    "@babel/template" "^7.7.4"
-    "@babel/types" "^7.7.4"
-
 "@babel/helper-function-name@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz#eeeb665a01b1f11068e9fb86ad56a1cb1a824cca"
@@ -149,7 +130,7 @@
     "@babel/template" "^7.8.3"
     "@babel/types" "^7.8.3"
 
-"@babel/helper-get-function-arity@^7.7.4", "@babel/helper-get-function-arity@^7.8.3":
+"@babel/helper-get-function-arity@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.8.3.tgz#b894b947bd004381ce63ea1db9f08547e920abd5"
   integrity sha512-FVDR+Gd9iLjUMY1fzE2SR0IuaJToR4RkCDARVfsBBPSP53GEqSFjD8gNyxg246VUyc/ALRxFaAK8rVG7UT7xRA==
@@ -237,13 +218,6 @@
     "@babel/template" "^7.8.3"
     "@babel/types" "^7.8.3"
 
-"@babel/helper-split-export-declaration@^7.7.4":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.7.4.tgz#57292af60443c4a3622cf74040ddc28e68336fd8"
-  integrity sha512-guAg1SXFcVr04Guk9eq0S4/rWS++sbmyqosJzVs8+1fH5NI+ZcmkaSkc7dmtAFbHFva6yRJnjW3yAcGxjueDug==
-  dependencies:
-    "@babel/types" "^7.7.4"
-
 "@babel/helper-split-export-declaration@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz#31a9f30070f91368a7182cf05f831781065fc7a9"
@@ -279,12 +253,7 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@^7.0.0", "@babel/parser@^7.7.4":
-  version "7.7.7"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.7.7.tgz#1b886595419cf92d811316d5b715a53ff38b4937"
-  integrity sha512-WtTZMZAZLbeymhkd/sEaPD8IQyGAhmuTuvTzLiCFM7iXiVdY0gc0IaI+cW0fh1BnSMbJSzXX6/fHllgHKwHhXw==
-
-"@babel/parser@^7.8.3":
+"@babel/parser@^7.0.0", "@babel/parser@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.3.tgz#790874091d2001c9be6ec426c2eed47bc7679081"
   integrity sha512-/V72F4Yp/qmHaTALizEm9Gf2eQHV3QyTL3K0cNfijwnMnb1L+LDlAubb/ZnSdGAVzVSWakujHYs1I26x66sMeQ==
@@ -782,7 +751,7 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
-"@babel/template@^7.7.4", "@babel/template@^7.8.3":
+"@babel/template@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.8.3.tgz#e02ad04fe262a657809327f578056ca15fd4d1b8"
   integrity sha512-04m87AcQgAFdvuoyiQ2kgELr2tV8B4fP/xJAVUL3Yb3bkNdMedD3d0rlSQr3PegP0cms3eHjl1F7PWlvWbU8FQ==
@@ -791,22 +760,7 @@
     "@babel/parser" "^7.8.3"
     "@babel/types" "^7.8.3"
 
-"@babel/traverse@^7.0.0":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.7.4.tgz#9c1e7c60fb679fe4fcfaa42500833333c2058558"
-  integrity sha512-P1L58hQyupn8+ezVA2z5KBm4/Zr4lCC8dwKCMYzsa5jFMDMQAzaBNy9W5VjB+KAmBjb40U7a/H6ao+Xo+9saIw==
-  dependencies:
-    "@babel/code-frame" "^7.5.5"
-    "@babel/generator" "^7.7.4"
-    "@babel/helper-function-name" "^7.7.4"
-    "@babel/helper-split-export-declaration" "^7.7.4"
-    "@babel/parser" "^7.7.4"
-    "@babel/types" "^7.7.4"
-    debug "^4.1.0"
-    globals "^11.1.0"
-    lodash "^4.17.13"
-
-"@babel/traverse@^7.8.3":
+"@babel/traverse@^7.0.0", "@babel/traverse@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.8.3.tgz#a826215b011c9b4f73f3a893afbc05151358bf9a"
   integrity sha512-we+a2lti+eEImHmEXp7bM9cTxGzxPmBiVJlLVD+FuuQMeeO7RaDbutbgeheDkw+Xe3mCfJHnGOWLswT74m2IPg==
@@ -821,16 +775,7 @@
     globals "^11.1.0"
     lodash "^4.17.13"
 
-"@babel/types@^7.0.0", "@babel/types@^7.7.4":
-  version "7.7.4"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.7.4.tgz#516570d539e44ddf308c07569c258ff94fde9193"
-  integrity sha512-cz5Ji23KCi4T+YIE/BolWosrJuSmoZeN1EFnRtBwF+KKLi8GG/Z2c2hOJJeCXPk4mwk4QFvTmwIodJowXgttRA==
-  dependencies:
-    esutils "^2.0.2"
-    lodash "^4.17.13"
-    to-fast-properties "^2.0.0"
-
-"@babel/types@^7.8.3":
+"@babel/types@^7.0.0", "@babel/types@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.8.3.tgz#5a383dffa5416db1b73dedffd311ffd0788fb31c"
   integrity sha512-jBD+G8+LWpMBBWvVcdr4QysjUE4mU/syrhN17o1u3gx0/WzJB1kwiVZAXRtWbsIPOwW8pF/YJV5+nmetPzepXg==
@@ -839,11 +784,6 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
-"@ember-data/rfc395-data@^0.0.4":
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/@ember-data/rfc395-data/-/rfc395-data-0.0.4.tgz#ecb86efdf5d7733a76ff14ea651a1b0ed1f8a843"
-  integrity sha512-tGRdvgC9/QMQSuSuJV45xoyhI0Pzjm7A9o/MVVA3HakXIImJbbzx/k/6dO9CUEQXIyS2y0fW6C1XaYOG7rY0FQ==
-
 "@ember/test-helpers@^1.7.1":
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/@ember/test-helpers/-/test-helpers-1.7.1.tgz#cc22a954b3b46856518f034bd492a74e0482389f"
@@ -966,14 +906,7 @@
   resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
   integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
 
-"@types/fs-extra@^5.0.5":
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-5.1.0.tgz#2a325ef97901504a3828718c390d34b8426a10a1"
-  integrity sha512-AInn5+UBFIK9FK5xc9yP5e3TQSPNNgjHByqYcj9g5elVBnDQcQL7PlO1CIRy2gWlbwK7UPYqi7vRvFA44dCmYQ==
-  dependencies:
-    "@types/node" "*"
-
-"@types/glob@*", "@types/glob@^7.1.1":
+"@types/glob@^7.1.1":
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.1.1.tgz#aa59a1c6e3fbc421e07ccd31a944c30eba521575"
   integrity sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==
@@ -992,14 +925,6 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.2.tgz#a5ccec6abb6060d5f20d256fb03ed743e9774999"
   integrity sha512-gojym4tX0FWeV2gsW4Xmzo5wxGjXGm550oVUII7f7G5o4BV6c7DBdiG1RRQd+y1bvqRyYtPfMK85UM95vsapqQ==
 
-"@types/rimraf@^2.0.2":
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/@types/rimraf/-/rimraf-2.0.3.tgz#0199a46af106729ba14213fda7b981278d8c84f2"
-  integrity sha512-dZfyfL/u9l/oi984hEXdmAjX3JHry7TLWw43u1HQ8HhPv6KtfxnrZ3T/bleJ0GEvnk9t5sM7eePkgMqz3yBcGg==
-  dependencies:
-    "@types/glob" "*"
-    "@types/node" "*"
-
 "@types/symlink-or-copy@^1.2.0":
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/@types/symlink-or-copy/-/symlink-or-copy-1.2.0.tgz#4151a81b4052c80bc2becbae09f3a9ec010a9c7a"
@@ -1569,13 +1494,6 @@ babel-plugin-dynamic-import-node@^2.3.0:
   dependencies:
     object.assign "^4.1.0"
 
-babel-plugin-ember-data-packages-polyfill@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-ember-data-packages-polyfill/-/babel-plugin-ember-data-packages-polyfill-0.1.0.tgz#fa63867de4a717df572776ba528d270ff74db125"
-  integrity sha512-MZBdY+i1aZuShfTDq2RIcuE8usGFsqle0+ziV0kZjf6nTzZjEILYRkiaXG6om6I7qKYYoS1Lcs8zsQA9ZJ1Xkw==
-  dependencies:
-    "@ember-data/rfc395-data" "^0.0.4"
-
 babel-plugin-ember-modules-api-polyfill@^2.12.0, babel-plugin-ember-modules-api-polyfill@^2.6.0:
   version "2.12.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-ember-modules-api-polyfill/-/babel-plugin-ember-modules-api-polyfill-2.12.0.tgz#a5e703205ba4e625a7fab9bb1aea64ef3222cf75"
@@ -3716,15 +3634,6 @@ ember-cli-version-checker@^3.0.0:
     resolve-package-path "^1.2.6"
     semver "^5.6.0"
 
-ember-cli-version-checker@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-version-checker/-/ember-cli-version-checker-4.1.0.tgz#7fc9836bdbc87451d286ba6a9a89b23591d8bbb7"
-  integrity sha512-yLf2YqotTSsjiXwx9Dt6H7AU0QcldFn5SLk/pG3Zqb0aHNeanBOPlx4/Ysa46ILGWYIh0fDH34AEVRueXTrQBQ==
-  dependencies:
-    resolve-package-path "^2.0.0"
-    semver "^6.3.0"
-    silent-error "^1.1.1"
-
 ember-cli@~3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/ember-cli/-/ember-cli-3.3.0.tgz#534ebe72453a4fb064a34077a0874ad69ea84be4"
@@ -4604,14 +4513,6 @@ fireworm@^0.7.0:
     lodash.flatten "^3.0.2"
     minimatch "^3.0.2"
 
-fixturify-project@^1.10.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/fixturify-project/-/fixturify-project-1.10.0.tgz#091c452a9bb15f09b6b9cc7cf5c0ad559f1d9aad"
-  integrity sha512-L1k9uiBQuN0Yr8tA9Noy2VSQ0dfg0B8qMdvT7Wb5WQKc7f3dn3bzCbSrqlb+etLW+KDV4cBC7R1OvcMg3kcxmA==
-  dependencies:
-    fixturify "^1.2.0"
-    tmp "^0.0.33"
-
 fixturify@^0.3.2:
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/fixturify/-/fixturify-0.3.4.tgz#c676de404a7f8ee8e64d0b76118e62ec95ab7b25"
@@ -4620,17 +4521,6 @@ fixturify@^0.3.2:
     fs-extra "^0.30.0"
     matcher-collection "^1.0.4"
 
-fixturify@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/fixturify/-/fixturify-1.2.0.tgz#abe8c52dd27dbbfdb874a02893781c93425663ea"
-  integrity sha512-b5CMQmBZKsGR6HGqdSrLOGYGHIqrR0CUrcGU/lDL0mYy+DtGm5cnb61Z0UiIUqMVZIoV0CbN+u9/Gwjj+ICg0A==
-  dependencies:
-    "@types/fs-extra" "^5.0.5"
-    "@types/minimatch" "^3.0.3"
-    "@types/rimraf" "^2.0.2"
-    fs-extra "^7.0.1"
-    matcher-collection "^2.0.0"
-
 flat-cache@^1.2.1:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.4.tgz#2c2ef77525cc2929007dfffa1dd314aa9c9dee6f"
@@ -4753,7 +4643,7 @@ fs-extra@^5.0.0:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-extra@^7.0.0, fs-extra@^7.0.1:
+fs-extra@^7.0.0:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
   integrity sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==
@@ -6684,14 +6574,6 @@ matcher-collection@^1.0.0, matcher-collection@^1.0.4, matcher-collection@^1.1.1:
   dependencies:
     minimatch "^3.0.2"
 
-matcher-collection@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/matcher-collection/-/matcher-collection-2.0.1.tgz#90be1a4cf58d6f2949864f65bb3b0f3e41303b29"
-  integrity sha512-daE62nS2ZQsDg9raM0IlZzLmI2u+7ZapXBwdoeBUKAYERPDDIc0qNqA8E0Rp2D+gspKR7BgIFP52GeujaGXWeQ==
-  dependencies:
-    "@types/minimatch" "^3.0.3"
-    minimatch "^3.0.2"
-
 math-random@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
@@ -8239,14 +8121,6 @@ resolve-package-path@^1.0.11, resolve-package-path@^1.2.6:
     path-root "^0.1.1"
     resolve "^1.10.0"
 
-resolve-package-path@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/resolve-package-path/-/resolve-package-path-2.0.0.tgz#7f258ab86ff074fff4ff8027a28f94d17d6fb1df"
-  integrity sha512-/CLuzodHO2wyyHTzls5Qr+EFeG6RcW4u6//gjYvUfcfyuplIX1SSccU+A5A9A78Gmezkl3NBkFAMxLbzTY9TJA==
-  dependencies:
-    path-root "^0.1.1"
-    resolve "^1.13.1"
-
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
@@ -8266,13 +8140,6 @@ resolve@^1.1.6, resolve@^1.10.0, resolve@^1.3.0, resolve@^1.3.2, resolve@^1.3.3,
   dependencies:
     path-parse "^1.0.6"
 
-resolve@^1.13.1:
-  version "1.15.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.0.tgz#1b7ca96073ebb52e741ffd799f6b39ea462c67f5"
-  integrity sha512-+hTmAldEGE80U2wJJDC1lebb5jWqvTYAfm3YZ1ckk1gBr0MnCqUKlwK1e+anaFljIl+F5tR5IoZcm4ZDA1zMQw==
-  dependencies:
-    path-parse "^1.0.6"
-
 responselike@1.0.2, responselike@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/responselike/-/responselike-1.0.2.tgz#918720ef3b631c5642be068f15ade5a46f4ba1e7"
@@ -8323,13 +8190,6 @@ rimraf@^2.2.8, rimraf@^2.3.4, rimraf@^2.4.3, rimraf@^2.4.4, rimraf@^2.5.3, rimra
   dependencies:
     glob "^7.1.3"
 
-rimraf@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.1.tgz#48d3d4cb46c80d388ab26cd61b1b466ae9ae225a"
-  integrity sha512-IQ4ikL8SjBiEDZfk+DFVwqRK8md24RWMEJkdSlgNLkyyAImcjf8SWvU1qFMDOb4igBClbTQ/ugPqXcRwdFTxZw==
-  dependencies:
-    glob "^7.1.3"
-
 rimraf@~2.2.6:
   version "2.2.8"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.2.8.tgz#e439be2aaee327321952730f99a8929e4fc50582"
@@ -8561,7 +8421,7 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
-silent-error@^1.0.0, silent-error@^1.0.1, silent-error@^1.1.0, silent-error@^1.1.1:
+silent-error@^1.0.0, silent-error@^1.0.1, silent-error@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/silent-error/-/silent-error-1.1.1.tgz#f72af5b0d73682a2ba1778b7e32cd8aa7c2d8662"
   integrity sha512-n4iEKyNcg4v6/jpb3c0/iyH2G1nzUNl7Gpqtn/mHIJK9S/q/7MCfoO4rwVOoO59qPFIc0hVHvMbiOJ0NdtxKKw==