diff --git a/test-bizinikiwi.mjs b/test-bizinikiwi.mjs
deleted file mode 100644
index 5f2be93..0000000
--- a/test-bizinikiwi.mjs
+++ /dev/null
@@ -1,17 +0,0 @@
-import { cryptoWaitReady, sr25519PairFromSeed, sr25519Sign, sr25519Verify, mnemonicToMiniSecret } from '@pezkuwi/util-crypto';
-import { hexToU8a, u8aToHex } from '@pezkuwi/util';
-
-await cryptoWaitReady();
-
-const mnemonic = 'crucial surge north silly divert throw habit fury zebra fabric tank output';
-const seed = mnemonicToMiniSecret(mnemonic);
-const pair = sr25519PairFromSeed(seed);
-
-console.log('Public key:', u8aToHex(pair.publicKey));
-
-const message = new TextEncoder().encode('test message');
-const signature = sr25519Sign(message, pair);
-console.log('Signature:', u8aToHex(signature).slice(0, 40) + '...');
-
-const verified = sr25519Verify(message, signature, pair.publicKey);
-console.log('Verified:', verified);