diff --git a/packages/testing-kit/package.json b/packages/testing-kit/package.json
index 313d05447..06dfe5bae 100644
--- a/packages/testing-kit/package.json
+++ b/packages/testing-kit/package.json
@@ -16,8 +16,7 @@
     "format:check": "prettier --check \"*/**/*.{js,json,md,ts}\"",
     "format": "prettier --write \"*/**/*.{js,json,md,ts}\"",
     "unbuild": "rimraf dist artifacts deployments cache .nyc_output *.tsbuildinfo",
-    "build": "yarn unbuild && hardhat compile && NODE_OPTIONS=--max-old-space-size=8192 tsc -p tsconfig.build.json && tsc-alias -p tsconfig.build.json && yarn copy-files && chmod +x dist/bin/testing-kit.js",
-    "copy-files": "cpx 'artifacts/**/*' dist/artifacts",
+    "build": "yarn unbuild && hardhat compile && NODE_OPTIONS=--max-old-space-size=8192 tsc -p tsconfig.build.json && tsc-alias -p tsconfig.build.json && chmod +x dist/bin/testing-kit.js",
     "deploy": "hardhat deploy",
     "compile": "hardhat compile",
     "test": "hardhat test"