diff --git a/.mocharc.json b/.mocharc.json
index 09e1f5d..bf399e9 100644
--- a/.mocharc.json
+++ b/.mocharc.json
@@ -1,7 +1,7 @@
 {
   "extension": ["ts"],
   "spec": "src/**/*.spec.ts",
-  "require": ["ts-node/register", "isomorphic-fetch", "jsdom-global/register"],
+  "require": ["ts-node/register", "jsdom-global/register"],
   "loader": "ts-node/esm",
   "node-option": ["experimental-specifier-resolution=node", "loader=ts-node/esm"],
   "exit": true
diff --git a/package-lock.json b/package-lock.json
index 3ebb29f..d5917d4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -54,7 +54,6 @@
         "gh-pages": "^3.2.3",
         "husky": "^7.0.4",
         "ignore-loader": "^0.1.2",
-        "isomorphic-fetch": "^3.0.0",
         "jsdom": "^19.0.0",
         "jsdom-global": "^3.0.2",
         "karma": "^6.3.12",
@@ -3395,9 +3394,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001449",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001449.tgz",
-      "integrity": "sha512-CPB+UL9XMT/Av+pJxCKGhdx+yg1hzplvFJQlJ2n68PyQGMz9L/E2zCyLdOL8uasbouTUgnPl+y0tccI/se+BEw==",
+      "version": "1.0.30001450",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001450.tgz",
+      "integrity": "sha512-qMBmvmQmFXaSxexkjjfMvD5rnDL0+m+dUMZKoDYsGG8iZN29RuYh9eRoMvKsT6uMAWlyUUGDEQGJJYjzCIO9ew==",
       "dev": true,
       "funding": [
         {
@@ -6645,16 +6644,6 @@
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="
     },
-    "node_modules/isomorphic-fetch": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/isomorphic-fetch/-/isomorphic-fetch-3.0.0.tgz",
-      "integrity": "sha512-qvUtwJ3j6qwsF3jLxkZ72qCgjMysPzDfeV240JHiGZsANBYd+EEuu35v7dfrJ9Up0Ak07D7GGSkGhCHTqg/5wA==",
-      "dev": true,
-      "dependencies": {
-        "node-fetch": "^2.6.1",
-        "whatwg-fetch": "^3.4.1"
-      }
-    },
     "node_modules/it-all": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/it-all/-/it-all-1.0.6.tgz",
@@ -11131,12 +11120,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/whatwg-fetch": {
-      "version": "3.6.2",
-      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.6.2.tgz",
-      "integrity": "sha512-bJlen0FcuU/0EMLrdbJ7zOnW6ITZLrZMIarMUVmdKtsGvZna8vxKYaexICWPfZ8qwf9fzNq+UEIZrnSaApt6RA==",
-      "dev": true
-    },
     "node_modules/whatwg-mimetype": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-3.0.0.tgz",
diff --git a/package.json b/package.json
index bed2817..2ffcc90 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,6 @@
     "gh-pages": "^3.2.3",
     "husky": "^7.0.4",
     "ignore-loader": "^0.1.2",
-    "isomorphic-fetch": "^3.0.0",
     "jsdom": "^19.0.0",
     "jsdom-global": "^3.0.2",
     "karma": "^6.3.12",