diff --git a/core/packages/gaxios/package.json b/core/packages/gaxios/package.json
index 072a2992a4b..125d9f2bbdc 100644
--- a/core/packages/gaxios/package.json
+++ b/core/packages/gaxios/package.json
@@ -40,8 +40,8 @@
   },
   "repository": {
     "type": "git",
-    "directory": "packages/gaxios",
-    "url": "https://github.com/googleapis/google-cloud-node-core.git"
+    "directory": "core/packages/gaxios",
+    "url": "https://github.com/googleapis/google-cloud-node.git"
   },
   "keywords": [
     "google"
@@ -55,7 +55,6 @@
     "@babel/plugin-proposal-private-methods": "^7.18.6",
     "@types/cors": "^2.8.6",
     "@types/express": "^5.0.0",
-    "@types/extend": "^3.0.1",
     "@types/mocha": "^10.0.10",
     "@types/multiparty": "4.2.1",
     "@types/mv": "^2.1.0",
@@ -100,7 +99,6 @@
     "webpack-cli": "^6.0.1"
   },
   "dependencies": {
-    "extend": "^3.0.2",
     "https-proxy-agent": "^7.0.1",
     "node-fetch": "^3.3.2"
   },
diff --git a/core/packages/gaxios/src/common.ts b/core/packages/gaxios/src/common.ts
index 97c4e9d6c58..48f318bcdc2 100644
--- a/core/packages/gaxios/src/common.ts
+++ b/core/packages/gaxios/src/common.ts
@@ -14,8 +14,6 @@
 import {Agent} from 'http';
 import {Readable} from 'stream';
 
-import extend from 'extend';
-
 import util from './util.cjs';
 
 const pkg = util.pkg;
@@ -142,9 +140,9 @@ export class GaxiosError<T = ReturnType<JSON['parse']>> extends Error {
 
     // deep-copy config as we do not want to mutate
     // the existing config for future retries/use
-    this.config = extend(true, {}, config);
+    this.config = structuredClone(config);
     if (this.response) {
-      this.response.config = extend(true, {}, this.response.config);
+      this.response.config = structuredClone(this.response.config);
     }
 
     if (this.response) {