diff --git a/src/ssn/decryption/decryptChunk.ts b/src/ssn/decryption/decryptChunk.ts
index ea6b6e5..8c60509 100644
--- a/src/ssn/decryption/decryptChunk.ts
+++ b/src/ssn/decryption/decryptChunk.ts
@@ -1,31 +1,10 @@
 import updateKeys from './lib/updateKeys';
 
-/*export default function decryptChunk(encryptedChunk: Buffer, [key0, key1, key2]: [number, number, number]): {decryptedChunk: Buffer, keys: [number, number, number]} {
-  const decryptedChunk = Buffer.alloc(encryptedChunk.length);
-  const dvOut = new DataView(decryptedChunk.buffer);
-
-  for (let i = 0; i < encryptedChunk.length; i += 1) {
-    //read and decrypt byte
-    let curChar = encryptedChunk.readUInt8(i);
-    const keyPart = (key2 | 2) & 0xFFFF;
-    const decryptedByte = (keyPart * (keyPart ^ 1)) >>> 8;
-    curChar ^= decryptedByte & 0xFF;
-    dvOut.setUint8(i, curChar);
-
-    //update keys
-    [key0, key1, key2] = updateKeys([key0, key1, key2], curChar);
-  }
-
-  return { decryptedChunk, keys: [key0, key1, key2] };
-}*/
-
 export default function getDecryptor(decryptionKeys: [number, number, number]) {
   let [key0, key1, key2] = decryptionKeys;
-  let position = 0;
 
   return (encryptedChunk: Buffer) => {
     const decryptedChunk = Buffer.alloc(encryptedChunk.length);
-    //const decryptedChunk = Buffer.alloc(encryptedChunk.length - Math.max(12 - position, 0));
 
     for (let i = 0; i < encryptedChunk.length; i += 1) {
       //read byte
@@ -40,18 +19,9 @@ export default function getDecryptor(decryptionKeys: [number, number, number]) {
       [key0, key1, key2] = updateKeys([key0, key1, key2], curChar);
 
       //write byte
-      /*if (position + i < 12) {
-        //do nothing
-      } else if (position + i >= 12 && position < 12) {
-        decryptedChunk.writeUInt8(curChar, position + i - 12);
-      } else {
-        decryptedChunk.writeUInt8(curChar, i);
-      }*/
       decryptedChunk.writeUInt8(curChar, i);
     }
 
-    position += encryptedChunk.length;
-
     return decryptedChunk;
   };
 }
diff --git a/src/ssn/getPatch.ts b/src/ssn/getPatch.ts
index 46178f6..1158798 100644
--- a/src/ssn/getPatch.ts
+++ b/src/ssn/getPatch.ts
@@ -32,7 +32,6 @@ export default async function getPatch(product: Product, from: number, to: numbe
   //Then we need to wait for disks to finish download before we can extract individual files
   //TODO: we can optimize this to already extract some files as soon as their relevant parts are downloaded
   const diskFilenames = await Promise.all(diskFiles);
-  //const dvArray = bufferArray.map((buffer) => new DataView(buffer));
 
   //TODO: Verify that downloaded files match the hash in `solidpkg.pieces`