diff --git a/packages/shared/src/relayAuth.test.ts b/packages/shared/src/relayAuth.test.ts
index 3abff9b52109..4e1f28eefdaa 100644
--- a/packages/shared/src/relayAuth.test.ts
+++ b/packages/shared/src/relayAuth.test.ts
@@ -5,7 +5,6 @@ import {
   ClerkPublishableKeyFrontendApiError,
   clerkFrontendApiHostnameFromPublishableKey,
   clerkFrontendApiUrlFromPublishableKey,
-  isAllowedClerkFrontendApiHostname,
 } from "./relayAuth.ts";
 
 const clerkPublishableKey = (hostname: string): string => `pk_test_${btoa(`${hostname}$`)}`;
@@ -75,14 +74,4 @@ describe("Clerk relay auth", () => {
     });
     expect((error as ClerkPublishableKeyFrontendApiError).cause).toBeInstanceOf(Error);
   });
-
-  it("allows standard Clerk hosts and an exact configured custom hostname", () => {
-    expect(isAllowedClerkFrontendApiHostname("example.clerk.accounts.dev", null)).toBe(true);
-    expect(isAllowedClerkFrontendApiHostname("example.clerk.accounts.com", null)).toBe(true);
-    expect(isAllowedClerkFrontendApiHostname("clerk.t3.codes", "clerk.t3.codes")).toBe(true);
-    expect(isAllowedClerkFrontendApiHostname("attacker.example", "clerk.t3.codes")).toBe(false);
-    expect(isAllowedClerkFrontendApiHostname("nested.clerk.t3.codes", "clerk.t3.codes")).toBe(
-      false,
-    );
-  });
 });
diff --git a/packages/shared/src/relayAuth.ts b/packages/shared/src/relayAuth.ts
index a384db77d8ac..4c5d766c1480 100644
--- a/packages/shared/src/relayAuth.ts
+++ b/packages/shared/src/relayAuth.ts
@@ -81,17 +81,6 @@ export function clerkFrontendApiHostnameFromPublishableKey(publishableKey: strin
   return parseClerkFrontendApi(publishableKey).hostname;
 }
 
-export function isAllowedClerkFrontendApiHostname(
-  hostname: string,
-  configuredHostname: string | null,
-): boolean {
-  return (
-    hostname.endsWith(".clerk.accounts.dev") ||
-    hostname.endsWith(".clerk.accounts.com") ||
-    hostname === configuredHostname
-  );
-}
-
 export function relayClerkTokenOptions(template: string) {
   return {
     template,