diff --git a/README.md b/README.md
index f301fdda..558ab6f9 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,6 @@ import {
   ENS,
   ENSRegistry,
   FIFSRegistrar,
-  HashRegistrar,
   Migrations,
   Registrar,
   ReverseRegistrar,
@@ -38,14 +37,6 @@ Implementation of the ENS Registry, the central contract used to look up resolve
 
 Implementation of a simple first-in-first-served registrar, which issues (sub-)domains to the first account to request them.
 
-## HashRegistrar.sol
-
-Implementation of a registrar based on second-price blind auctions and funds held on deposit, with a renewal process that weights renewal costs according to the change in mean price of registering a domain. Largely untested!
-
-## HashRegistrarSimplified.sol
-
-Simplified version of the above, with no support for renewals. This is the current proposal for interim registrar of the ENS system until a permanent registrar is decided on.
-
 # ENS Registry interface
 
 The ENS registry is a single central contract that provides a mapping from domain names to owners and resolvers, as described in [EIP 137](https://github.com/ethereum/EIPs/issues/137).
@@ -109,8 +100,4 @@ Deploy `ENS` and `FIFSRegistrar` to the private network, the deployment process
 
     $ truffle migrate --network dev.fifs
 
-alternatively, deploy the `HashRegistrar`:
-
-    $ truffle migrate --network dev.auction
-
 Check the truffle [documentation](http://truffleframework.com/docs/) for more information.
diff --git a/index.js b/index.js
index 8eb25074..5cca7d53 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,6 @@ const DeedImplementation = require('./build/contracts/DeedImplementation.json')
 const ENS = require('./build/contracts/ENS.json')
 const ENSRegistry = require('./build/contracts/ENSRegistry.json')
 const FIFSRegistrar = require('./build/contracts/FIFSRegistrar.json')
-const HashRegistrar = require('./build/contracts/HashRegistrar.json')
 const Migrations = require('./build/contracts/Migrations.json')
 const Registrar = require('./build/contracts/Registrar.json')
 const Resolver = require('./build/contracts/NameResolver.json')
@@ -16,7 +15,6 @@ module.exports = {
   ENS,
   ENSRegistry,
   FIFSRegistrar,
-  HashRegistrar,
   Migrations,
   Registrar,
   Resolver,
diff --git a/migrations/2_deploy_contracts.js b/migrations/2_deploy_contracts.js
index 12a73559..c250d466 100644
--- a/migrations/2_deploy_contracts.js
+++ b/migrations/2_deploy_contracts.js
@@ -5,7 +5,6 @@ const FIFSRegistrar = artifacts.require('./FIFSRegistrar.sol');
 // the compiled contract JSON file name. So even though `Registrar.sol` is
 // not existed, it's valid to put it here.
 // TODO: align the contract name with the source code file name.
-const Registrar = artifacts.require('./HashRegistrar.sol');
 const web3 = new (require('web3'))();
 const namehash = require('eth-ens-namehash');
 
@@ -42,28 +41,6 @@ function deployFIFSRegistrar(deployer, tld) {
     });
 }
 
-/**
- * Deploy the ENS and HashRegistrar(Simplified)
- *
- * @param {Object} deployer truffle deployer helper
- * @param {string} tld tld which the Hash registrar takes charge of
- */
-function deployAuctionRegistrar(deployer, tld) {
-  var rootNode = getRootNodeFromTLD(tld);
-
-  // Deploy the ENS first
-  deployer.deploy(ENS)
-    .then(() => {
-      // Deploy the HashRegistrar and bind it with ENS
-      // The last argument `0` specifies the auction start date to `now`
-      return deployer.deploy(Registrar, ENS.address, rootNode.namehash, 0);
-    })
-    .then(function() {
-      // Transfer the owner of the `rootNode` to the HashRegistrar
-      return ENS.at(ENS.address).then((c) => c.setSubnodeOwner('0x0', rootNode.sha3, Registrar.address));
-    });
-}
-
 module.exports = function(deployer, network) {
   var tld = 'eth';