diff --git a/main.js b/main.js
index d8525d696..8d66447ce 100644
--- a/main.js
+++ b/main.js
@@ -973,22 +973,6 @@ ipc.on('get-auto-update-setting', event => {
   event.returnValue = typeof configValue !== 'boolean' ? true : configValue;
 });
 
-async function blake2bDigest(event, input) {
-  const sodium = await getSodium();
-
-  try {
-    const res = sodium.crypto_generichash(32, input);
-
-    event.reply('blake2b-digest-response', null, res);
-  } catch (err) {
-    event.reply('blake2b-digest-response', err);
-  }
-}
-
-ipc.on('blake2b-digest', (event, input) => {
-  blake2bDigest(event, input);
-});
-
 ipc.on('set-auto-update-setting', (event, enabled) => {
   userConfig.set('autoUpdate', !!enabled);
 
diff --git a/preload.js b/preload.js
index 468d17cc6..2634faa8d 100644
--- a/preload.js
+++ b/preload.js
@@ -81,13 +81,6 @@ window.isBeforeVersion = (toCheck, baseVersion) => {
 window.CONSTANTS = new (function() {
   // Number of seconds to turn on notifications after reconnect/start of app
   this.NOTIFICATION_ENABLE_TIMEOUT_SECONDS = 10;
-
-  // Minimum nodes version for LNS lookup
-  this.LNS_CAPABLE_NODES_VERSION = '2.0.3';
-  this.LNS_MAX_LENGTH = 64;
-  // Conforms to naming rules here
-  // https://loki.network/2020/03/25/loki-name-system-the-facts/
-  this.LNS_REGEX = `^[a-zA-Z0-9_]([a-zA-Z0-9_-]{0,${this.LNS_MAX_LENGTH - 2}}[a-zA-Z0-9_]){0,1}$`;
 })();
 
 window.versionInfo = {
@@ -102,16 +95,6 @@ window.wrapDeferred = deferredToPromise;
 const ipc = electron.ipcRenderer;
 const localeMessages = ipc.sendSync('locale-data');
 
-window.blake2b = input =>
-  new Promise((resolve, reject) => {
-    ipc.once('blake2b-digest-response', (_, error, res) => {
-      // eslint-disable-next-line no-unused-expressions
-      error ? reject(error) : resolve(res);
-    });
-
-    ipc.send('blake2b-digest', input);
-  });
-
 window.updateZoomFactor = () => {
   const zoomFactor = window.getSettingValue('zoom-factor-setting') || 100;
   window.setZoomFactor(zoomFactor / 100);