diff --git a/speck32_64ecb.js b/speck32_64ecb.js
deleted file mode 100644
index 0f5989c..0000000
--- a/speck32_64ecb.js
+++ /dev/null
@@ -1,25 +0,0 @@
-import speck from 'generic-speck';
-import { blake2bHex } from 'blakejs';
-
-const speck32_64 = speck();
-
-export function getKey(kStr) {
-    const key64bit = blake2bHex(kStr, null, 8);
-    return [
-        parseInt(key64bit.slice(0, 4), 16),
-        parseInt(key64bit.slice(4, 8), 16),
-        parseInt(key64bit.slice(8, 12), 16),
-        parseInt(key64bit.slice(12, 16), 16)
-    ];
-}
-
-export function encrypt(ptStr, key) {
-    return Array.from(ptStr, c => speck32_64.encrypt(c.codePointAt(0), key));
-}
-
-export function decrypt(numArr, key) {
-    return numArr.map(x => {
-        try { return String.fromCodePoint(speck32_64.decrypt(x, key)); }
-        catch { return ''; }
-    }).join('');
-}