diff --git a/package.json b/package.json
index 719843dc3..ce2556984 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,6 @@
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-terser": "^5.1.2",
     "rollup-plugin-typescript2": "^0.25.2",
-    "rollup-plugin-uglify": "^6.0.3",
     "slate": "*",
     "slate-history": "*",
     "slate-hyperscript": "*",
diff --git a/yarn.lock b/yarn.lock
index 88a029c84..644b8799f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7057,7 +7057,7 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
-jest-worker@24.9.0, jest-worker@^24.0.0, jest-worker@^24.6.0:
+jest-worker@24.9.0, jest-worker@^24.6.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.9.0.tgz#5dbfdb5b2d322e98567898238a9697bcce67b3e5"
   integrity sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==
@@ -10137,16 +10137,6 @@ rollup-plugin-typescript2@^0.25.2:
     rollup-pluginutils "2.8.1"
     tslib "1.10.0"
 
-rollup-plugin-uglify@^6.0.3:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-uglify/-/rollup-plugin-uglify-6.0.3.tgz#e3f776171344b580bec6c6ab8888622b67099457"
-  integrity sha512-PIv3CfhZJlOG8C85N0GX+uK09TPggmAS6Nk6fpp2ELzDAV5VUhNzOURDU2j7+MwuRr0zq9IZttUTADc/jH8Gkg==
-  dependencies:
-    "@babel/code-frame" "^7.0.0"
-    jest-worker "^24.0.0"
-    serialize-javascript "^1.9.0"
-    uglify-js "^3.4.9"
-
 rollup-pluginutils@2.8.1:
   version "2.8.1"
   resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.8.1.tgz#8fa6dd0697344938ef26c2c09d2488ce9e33ce97"
@@ -10300,7 +10290,7 @@ semver@~5.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
   integrity sha1-myzl094C0XxgEq0yaqa00M9U+U8=
 
-serialize-javascript@^1.7.0, serialize-javascript@^1.9.0:
+serialize-javascript@^1.7.0:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.9.1.tgz#cfc200aef77b600c47da9bb8149c943e798c2fdb"
   integrity sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==
@@ -11289,7 +11279,7 @@ typescript@^3.7.2:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.2.tgz#27e489b95fa5909445e9fef5ee48d81697ad18fb"
   integrity sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ==
 
-uglify-js@^3.1.4, uglify-js@^3.4.9:
+uglify-js@^3.1.4:
   version "3.6.8"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.8.tgz#5edcbcf9d49cbb0403dc49f856fe81530d65145e"
   integrity sha512-XhHJ3S3ZyMwP8kY1Gkugqx3CJh2C3O0y8NPiSxtm1tyD/pktLAkFZsFGpuNfTZddKDQ/bbDBLAd2YyA1pbi8HQ==