diff --git a/ui/core/package.json b/ui/core/package.json
index 54a017051..457ef84a2 100644
--- a/ui/core/package.json
+++ b/ui/core/package.json
@@ -24,7 +24,6 @@
     "bootstrap-vue": "2.0.0-rc.12",
     "brace": "^0.11.1",
     "codemirror": "^5.39.2",
-    "core-js": "^3.6.5",
     "ethereumjs-util": "^5.2.0",
     "flatpickr": "^4.5.1",
     "font-awesome": "^4.7.0",
@@ -33,14 +32,12 @@
     "html-svg-connect": "^2.0.0",
     "human-standard-token-abi": "^1.0.2",
     "interactjs": "1.2.9",
-    "is-svg": "^4.2.2",
     "jquery": "^3.5.0",
     "jquery-ui": "^1.12.1",
     "js-sha3": "^0.7.0",
     "moment": "^2.20.1",
     "popper.js": "^1.14.4",
     "sortablejs": "^1.7.0",
-    "ssri": "^8.0.1",
     "tippy.js": "^2.5.4",
     "underscore": "^1.8.3",
     "v-tooltip": "^2.0.0-rc.33",