diff --git a/package.json b/package.json
index 548e269dc0..1706b61e4f 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,7 @@
     "build": "webpack-cli --config ./webpack/node/core.webpack.config.js",
     "build-web": "webpack-cli --config ./webpack/web-experimental/core.webpack.config.js",
     "format": "prettier --write \"{lib,perf,test}/**/*.js\" && eslint --fix --ignore-path .gitignore .",
-    "prepublishOnly": "npm run test && npm run build && npm run test-build && cp npm-shrinkwrap.json npm-shrinkwrap.json.bak && rm -rf node_modules/web3-providers-ws/node_modules/websocket/.git && npm prune --production && npm shrinkwrap",
-    "postpublish": "rm npm-shrinkwrap.json && mv npm-shrinkwrap.json.bak npm-shrinkwrap.json && npm ci",
+    "prepublishOnly": "npm run test && npm run build && npm run test-build",
     "test": "npm run _lint && npm run _mocha",
     "test-smoke": "npm run _mocha ./test/smoke",
     "test-build": "cross-env TEST_BUILD=node npm run _mocha",