diff --git a/app/lib/kredits/contracts/contributor.js b/app/lib/kredits/contracts/contributor.js
index 5504eee..65cad84 100644
--- a/app/lib/kredits/contracts/contributor.js
+++ b/app/lib/kredits/contracts/contributor.js
@@ -3,7 +3,6 @@ import RSVP from 'rsvp';
 
 import Kredits from '../kredits';
 import ContributorSerializer from '../serializers/contributor';
-import { toBytes32 } from '../utils/multihash';
 
 import Base from './base';
 
diff --git a/app/lib/kredits/contracts/operator.js b/app/lib/kredits/contracts/operator.js
index 0adf525..841c421 100644
--- a/app/lib/kredits/contracts/operator.js
+++ b/app/lib/kredits/contracts/operator.js
@@ -1,10 +1,8 @@
 import ethers from 'npm:ethers';
 import RSVP from 'rsvp';
-import multihashes from 'npm:multihashes';
 
 import Kredits from '../kredits';
 import ContributionSerializer from '../serializers/contribution';
-import { toBytes32 } from '../utils/multihash';
 
 import Base from './base';
 
diff --git a/app/lib/kredits/utils/multihash.js b/app/lib/kredits/utils/multihash.js
deleted file mode 100644
index f49e3e0..0000000
--- a/app/lib/kredits/utils/multihash.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import bs58 from 'npm:bs58';
-import NpmBuffer from 'npm:buffer';
-const Buffer = NpmBuffer.Buffer;
-
-function fromBytes32({ digest, hashFunction, hashSize }) {
-  if (hashSize === 0) {
-    return;
-  }
-
-  const hashBytes = Buffer.from(digest.slice(2), 'hex');
-  const multiHashBytes = new (hashBytes.constructor)(2 + hashBytes.length);
-
-  multiHashBytes[0] = hashFunction;
-  multiHashBytes[1] = hashSize;
-  multiHashBytes.set(hashBytes, 2);
-
-  return bs58.encode(multiHashBytes);
-}
-
-function toBytes32(string) {
-  const decoded = bs58.decode(string);
-
-  return {
-    digest: `0x${decoded.slice(2).toString('hex')}`,
-    hashFunction: decoded[0],
-    hashSize: decoded[1],
-  };
-}
-
-export {
-  fromBytes32,
-  toBytes32
-};