diff --git a/src/features/ui/components/modals/nostr-signin-modal/DittoSignup.ts b/src/features/ui/components/modals/nostr-signin-modal/DittoSignup.ts
deleted file mode 100644
index efe4f46f4..000000000
--- a/src/features/ui/components/modals/nostr-signin-modal/DittoSignup.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-import { NRelay, NostrEvent, NostrSigner } from '@soapbox/nspec';
-
-interface DittoSignupRequestOpts {
-  dvm: string;
-  url: string;
-  relay: NRelay;
-  signer: NostrSigner;
-  signal?: AbortSignal;
-}
-
-export class DittoSignup {
-
-  static async request(opts: DittoSignupRequestOpts): Promise<NostrEvent> {
-    const { dvm, url, relay, signer, signal } = opts;
-
-    const pubkey = await signer.getPublicKey();
-    const event = await signer.signEvent({
-      kind: 5951,
-      content: '',
-      tags: [
-        ['i', url, 'text'],
-        ['p', dvm],
-      ],
-      created_at: Math.floor(Date.now() / 1000),
-    });
-
-    const subscription = relay.req(
-      [{ kinds: [7000, 6951], authors: [dvm], '#p': [pubkey], '#e': [event.id] }],
-      { signal },
-    );
-
-    await relay.event(event, { signal });
-
-    for await (const msg of subscription) {
-      if (msg[0] === 'EVENT') {
-        return msg[2];
-      }
-    }
-
-    throw new Error('DittoSignup: no response');
-  }
-
-  static async check(opts: Omit<DittoSignupRequestOpts, 'url'>): Promise<NostrEvent | undefined> {
-    const { dvm, relay, signer, signal } = opts;
-
-    const pubkey = await signer.getPublicKey();
-    const [event] = await relay.query(
-      [{ kinds: [7000, 6951], authors: [dvm], '#p': [pubkey] }],
-      { signal },
-    );
-
-    return event;
-  }
-
-}
\ No newline at end of file