diff --git a/packages/celotool/src/lib/generate_utils.ts b/packages/celotool/src/lib/generate_utils.ts
index 1891179a941..f7ddc588ee4 100644
--- a/packages/celotool/src/lib/generate_utils.ts
+++ b/packages/celotool/src/lib/generate_utils.ts
@@ -1,16 +1,17 @@
 import { blsPrivateKeyToProcessedPrivateKey } from '@celo/utils/lib/bls'
 import * as bls12377js from 'bls12377js'
 import { ec as EC } from 'elliptic'
+import fs from 'fs'
 import { range, repeat } from 'lodash'
+import path from 'path'
 import rlp from 'rlp'
 import Web3 from 'web3'
-import { envVar, fetchEnv, fetchEnvOrFallback } from './env-utils'
+import { envVar, fetchEnv, fetchEnvOrFallback, monorepoRoot } from './env-utils'
 import {
   CONTRACT_OWNER_STORAGE_LOCATION,
   GETH_CONFIG_OLD,
   ISTANBUL_MIX_HASH,
   OG_ACCOUNTS,
-  PROXY_CONTRACT_CODE,
   REGISTRY_ADDRESS,
   TEMPLATE,
 } from './genesis_constants'
@@ -225,9 +226,13 @@ export const generateGenesis = ({
   }
 
   const contracts = [REGISTRY_ADDRESS]
+  const contractBuildPath = path.resolve(
+    monorepoRoot,
+    'packages/protocol/build/contracts/Proxy.json'
+  )
   for (const contract of contracts) {
     genesis.alloc[contract] = {
-      code: PROXY_CONTRACT_CODE,
+      code: JSON.parse(fs.readFileSync(contractBuildPath).toString()).deployedBytecode,
       storage: {
         [CONTRACT_OWNER_STORAGE_LOCATION]: validators[0].address,
       },
diff --git a/packages/celotool/src/lib/genesis_constants.ts b/packages/celotool/src/lib/genesis_constants.ts
index 07ebfda220d..351bd10aa3e 100644
--- a/packages/celotool/src/lib/genesis_constants.ts
+++ b/packages/celotool/src/lib/genesis_constants.ts
@@ -33,9 +33,6 @@ export const TEMPLATE = {
   parentHash: '0x0000000000000000000000000000000000000000000000000000000000000000',
 }
 
-export const PROXY_CONTRACT_CODE =
-  '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'
-
 export const REGISTRY_ADDRESS = '000000000000000000000000000000000000ce10'
 
 export const CONTRACT_OWNER_STORAGE_LOCATION =