diff --git a/package.json b/package.json
index c0214a2..0ae8266 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,6 @@
   "dependencies": {
     "ember-auto-import": "^1.2.19",
     "ember-cli-babel": "^7.1.2",
-    "ember-modifier-manager-polyfill": "^1.0.1",
     "ember-stream-helper": "^1.0.1",
     "rxjs": "^6.3.3"
   },
diff --git a/yarn.lock b/yarn.lock
index 59b817a..8a88570 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1347,7 +1347,7 @@ babel-plugin-debug-macros@^0.1.10:
   dependencies:
     semver "^5.3.0"
 
-babel-plugin-debug-macros@^0.2.0, babel-plugin-debug-macros@^0.2.0-beta.6:
+babel-plugin-debug-macros@^0.2.0-beta.6:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-debug-macros/-/babel-plugin-debug-macros-0.2.0.tgz#0120ac20ce06ccc57bf493b667cf24b85c28da7a"
   integrity sha512-Wpmw4TbhR3Eq2t3W51eBAQSdKlr+uAyF0GI4GtPfMCD12Y4cIdpKC9l0RjNTH/P9isFypSqqewMPm7//fnZlNA==
@@ -3668,30 +3668,6 @@ ember-cli-babel@^7.1.2, ember-cli-babel@^7.1.3, ember-cli-babel@^7.2.0, ember-cl
     ensure-posix-path "^1.0.2"
     semver "^5.5.0"
 
-ember-cli-babel@^7.4.0:
-  version "7.4.1"
-  resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-7.4.1.tgz#9892f5883f5a6b1f0f86fb1331fc491338f372ad"
-  integrity sha512-h6qZKHyULm5SYhvjNOeXvLl3kHaBdh37g5QqTTiC/vMiWP/xnyNp2bMoq52qq+SLm/bE8+5UcVTKjrNl0+IqXA==
-  dependencies:
-    "@babel/core" "^7.0.0"
-    "@babel/plugin-transform-modules-amd" "^7.0.0"
-    "@babel/plugin-transform-runtime" "^7.2.0"
-    "@babel/polyfill" "^7.0.0"
-    "@babel/preset-env" "^7.0.0"
-    "@babel/runtime" "^7.2.0"
-    amd-name-resolver "^1.2.1"
-    babel-plugin-debug-macros "^0.2.0-beta.6"
-    babel-plugin-ember-modules-api-polyfill "^2.6.0"
-    babel-plugin-module-resolver "^3.1.1"
-    broccoli-babel-transpiler "^7.1.0"
-    broccoli-debug "^0.6.4"
-    broccoli-funnel "^2.0.1"
-    broccoli-source "^1.1.0"
-    clone "^2.1.2"
-    ember-cli-version-checker "^2.1.2"
-    ensure-posix-path "^1.0.2"
-    semver "^5.5.0"
-
 ember-cli-broccoli-sane-watcher@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ember-cli-broccoli-sane-watcher/-/ember-cli-broccoli-sane-watcher-3.0.0.tgz#dc1812c047e1ceec4413d3c41b51a9ffc61b4cfe"
@@ -3834,7 +3810,7 @@ ember-cli-uglify@^2.1.0:
     broccoli-uglify-sourcemap "^2.1.1"
     lodash.defaultsdeep "^4.6.0"
 
-ember-cli-version-checker@^2.0.0, ember-cli-version-checker@^2.1.0, ember-cli-version-checker@^2.1.1, ember-cli-version-checker@^2.1.2:
+ember-cli-version-checker@^2.0.0, ember-cli-version-checker@^2.1.0, ember-cli-version-checker@^2.1.2:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/ember-cli-version-checker/-/ember-cli-version-checker-2.2.0.tgz#47771b731fe0962705e27c8199a9e3825709f3b3"
   integrity sha512-G+KtYIVlSOWGcNaTFHk76xR4GdzDLzAS4uxZUKdASuFX0KJE43C6DaqL+y3VTpUFLI2FIkAS6HZ4I1YBi+S3hg==
@@ -3946,15 +3922,6 @@ ember-cli@~3.7.1:
     watch-detector "^0.1.0"
     yam "^1.0.0"
 
-ember-compatibility-helpers@^1.2.0-beta.1:
-  version "1.2.0-beta.1"
-  resolved "https://registry.yarnpkg.com/ember-compatibility-helpers/-/ember-compatibility-helpers-1.2.0-beta.1.tgz#cd5898734f398f977707cbf8d448689377449180"
-  integrity sha512-ewKxBP0DIcbuMyGR8P+ned3H6vgCI5+2t+5MOwcaIFxRYUx6Bm0Dqk6Y8UWzwVgkxlZspC34k8QE/QLlSI7oiA==
-  dependencies:
-    babel-plugin-debug-macros "^0.2.0"
-    ember-cli-version-checker "^2.1.1"
-    semver "^5.4.1"
-
 ember-disable-prototype-extensions@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/ember-disable-prototype-extensions/-/ember-disable-prototype-extensions-1.1.3.tgz#1969135217654b5e278f9fe2d9d4e49b5720329e"
@@ -3984,15 +3951,6 @@ ember-maybe-import-regenerator@^0.1.6:
     ember-cli-babel "^6.0.0-beta.4"
     regenerator-runtime "^0.9.5"
 
-ember-modifier-manager-polyfill@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/ember-modifier-manager-polyfill/-/ember-modifier-manager-polyfill-1.0.1.tgz#98e7dbda0a8e16137057ef23cd8e23bfb38d15cf"
-  integrity sha512-mOur7Kkh84FpCwvYnANQ5YD4jq2YcFW6zQUhJC5VW90etvtsSj7lVXWL5CZrxs0KskPCNAm0+b7LAtr0T6k9sA==
-  dependencies:
-    ember-cli-babel "^7.4.0"
-    ember-cli-version-checker "^2.1.2"
-    ember-compatibility-helpers "^1.2.0-beta.1"
-
 ember-qunit@^3.4.1:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/ember-qunit/-/ember-qunit-3.5.3.tgz#bfd0bff8298c78c77e870cca43fe0826e78a0d09"