diff --git a/packages/web/src/__tests__/api-routes.test.ts b/packages/web/src/__tests__/api-routes.test.ts
index c67a31032..c9776ac7f 100644
--- a/packages/web/src/__tests__/api-routes.test.ts
+++ b/packages/web/src/__tests__/api-routes.test.ts
@@ -398,7 +398,7 @@ describe("API Routes", () => {
       for (const key of Object.keys(overrides)) {
         saved[key] = process.env[key];
         if (overrides[key] === undefined) {
-          delete process.env[key];
+          Reflect.deleteProperty(process.env, key);
         } else {
           process.env[key] = overrides[key];
         }
@@ -406,7 +406,7 @@ describe("API Routes", () => {
       return fn().finally(() => {
         for (const key of Object.keys(saved)) {
           if (saved[key] === undefined) {
-            delete process.env[key];
+            Reflect.deleteProperty(process.env, key);
           } else {
             process.env[key] = saved[key];
           }