diff --git a/keyserver/package.json b/keyserver/package.json
--- a/keyserver/package.json
+++ b/keyserver/package.json
@@ -62,7 +62,6 @@
     "multer": "^1.4.1",
     "mysql2": "^2.3.3",
     "natural": "^6.2.0",
-    "node-fetch": "^2.6.9",
     "node-schedule": "^2.1.0",
     "nodemailer": "^6.6.1",
     "react": "18.1.0",
diff --git a/keyserver/src/push/providers.js b/keyserver/src/push/providers.js
--- a/keyserver/src/push/providers.js
+++ b/keyserver/src/push/providers.js
@@ -5,7 +5,6 @@
 import fcmAdmin from 'firebase-admin';
 import type { FirebaseApp } from 'firebase-admin';
 import invariant from 'invariant';
-import fetch from 'node-fetch';
 import webpush from 'web-push';
 
 import type { PlatformDetails } from 'lib/types/device-types';
diff --git a/keyserver/src/push/utils.js b/keyserver/src/push/utils.js
--- a/keyserver/src/push/utils.js
+++ b/keyserver/src/push/utils.js
@@ -3,8 +3,6 @@
 import type { ResponseFailure } from '@parse/node-apn';
 import type { FirebaseApp, FirebaseError } from 'firebase-admin';
 import invariant from 'invariant';
-import fetch from 'node-fetch';
-import type { Response } from 'node-fetch';
 import webpush from 'web-push';
 
 import type { PlatformDetails } from 'lib/types/device-types.js';
@@ -368,7 +366,10 @@
       return { error: result };
     }
 
-    return { wnsID: result.headers.get('X-WNS-MSG-ID') };
+    const wnsID = result.headers.get('X-WNS-MSG-ID');
+    invariant(wnsID, 'Missing WNS ID');
+
+    return { wnsID };
   } catch (err) {
     return { error: err };
   }
diff --git a/package.json b/package.json
--- a/package.json
+++ b/package.json
@@ -52,6 +52,7 @@
     "prettier": "^2.8.4"
   },
   "resolutions": {
-    "react-native-flipper": "https://registry.yarnpkg.com/@favware/skip-dependency/-/skip-dependency-1.1.1.tgz"
+    "react-native-flipper": "https://registry.yarnpkg.com/@favware/skip-dependency/-/skip-dependency-1.1.1.tgz",
+    "eslint/**/globals": "^13.20.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
--- a/yarn.lock
+++ b/yarn.lock
@@ -12679,10 +12679,10 @@
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
   integrity sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==
 
-globals@^13.6.0, globals@^13.9.0:
-  version "13.10.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-13.10.0.tgz#60ba56c3ac2ca845cfbf4faeca727ad9dd204676"
-  integrity sha512-piHC3blgLGFjvOuMmWZX60f+na1lXFDhQXBf1UYp2fXPXqvEUbOhNwi6BsQ0bQishwedgnjkwv1d9zKf+MWw3g==
+globals@^13.20.0, globals@^13.6.0, globals@^13.9.0:
+  version "13.20.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-13.20.0.tgz#ea276a1e508ffd4f1612888f9d1bad1e2717bf82"
+  integrity sha512-Qg5QtVkCy/kv3FUSlu4ukeZDVf9ee0iXLAUYX13gbR17bnejFTzr4iS9bY7kwCf1NztRNm1t91fjOiyx4CSwPQ==
   dependencies:
     type-fest "^0.20.2"
 
@@ -17623,13 +17623,6 @@
   dependencies:
     whatwg-url "^5.0.0"
 
-node-fetch@^2.6.9:
-  version "2.6.9"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.9.tgz#7c7f744b5cc6eb5fd404e0c7a9fec630a55657e6"
-  integrity sha512-DJm/CJkZkRjKKj4Zi4BsKVZh3ValV5IR5s7LVZnW+6YMh0W1BfNA8XSs6DLMGYlId5F3KnA70uu2qepcR08Qqg==
-  dependencies:
-    whatwg-url "^5.0.0"
-
 node-forge@0.10.0, node-forge@^0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.10.0.tgz#32dea2afb3e9926f02ee5ce8794902691a676bf3"