diff --git a/main.js b/main.js
index bfdd50588..d8525d696 100644
--- a/main.js
+++ b/main.js
@@ -973,32 +973,6 @@ ipc.on('get-auto-update-setting', event => {
   event.returnValue = typeof configValue !== 'boolean' ? true : configValue;
 });
 
-async function decryptLns(event, lnsName, ciphertext) {
-  const sodium = await getSodium();
-
-  const salt = new Uint8Array(sodium.crypto_pwhash_SALTBYTES);
-
-  try {
-    const key = sodium.crypto_pwhash(
-      sodium.crypto_secretbox_KEYBYTES,
-      lnsName,
-      salt,
-      sodium.crypto_pwhash_OPSLIMIT_MODERATE,
-      sodium.crypto_pwhash_MEMLIMIT_MODERATE,
-      sodium.crypto_pwhash_ALG_ARGON2ID13
-    );
-
-    const nonce = new Uint8Array(sodium.crypto_secretbox_NONCEBYTES);
-
-    const res = sodium.crypto_secretbox_open_easy(ciphertext, nonce, key);
-
-    // null as first parameter to indivate no error
-    event.reply('decrypt-lns-response', null, res);
-  } catch (err) {
-    event.reply('decrypt-lns-response', err);
-  }
-}
-
 async function blake2bDigest(event, input) {
   const sodium = await getSodium();
 
@@ -1015,10 +989,6 @@ ipc.on('blake2b-digest', (event, input) => {
   blake2bDigest(event, input);
 });
 
-ipc.on('decrypt-lns-entry', (event, lnsName, ciphertext) => {
-  decryptLns(event, lnsName, ciphertext);
-});
-
 ipc.on('set-auto-update-setting', (event, enabled) => {
   userConfig.set('autoUpdate', !!enabled);
 
diff --git a/preload.js b/preload.js
index c8fd8d407..468d17cc6 100644
--- a/preload.js
+++ b/preload.js
@@ -112,16 +112,6 @@ window.blake2b = input =>
     ipc.send('blake2b-digest', input);
   });
 
-window.decryptLnsEntry = (key, value) =>
-  new Promise((resolve, reject) => {
-    ipc.once('decrypt-lns-response', (_, error, res) => {
-      // eslint-disable-next-line no-unused-expressions
-      error ? reject(error) : resolve(res);
-    });
-
-    ipc.send('decrypt-lns-entry', key, value);
-  });
-
 window.updateZoomFactor = () => {
   const zoomFactor = window.getSettingValue('zoom-factor-setting') || 100;
   window.setZoomFactor(zoomFactor / 100);