diff --git a/.npmignore b/.npmignore
index 4d657ee4..f6823832 100644
--- a/.npmignore
+++ b/.npmignore
@@ -62,4 +62,5 @@ coverage
 yarn.lock
 tests
 lib/.watchmanconfig
+buddybuild_postclone.sh
 
diff --git a/buddybuild_postclone.sh b/buddybuild_postclone.sh
new file mode 100644
index 00000000..0456e305
--- /dev/null
+++ b/buddybuild_postclone.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# Copy firebase lib into tests directory
+cp -R $(node --eval "console.log(require('path').resolve('./lib'));")/* $(node --eval "console.log(require('path').resolve('./tests/firebase'));")/
+
+# Install /tests npm packages
+cd tests && npm install
diff --git a/package.json b/package.json
index 509989f8..4cbe14cd 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,6 @@
     "tests-watch-start": "watchman watch $(node --eval \"console.log(require('path').resolve('./lib'));\") && wml start",
     "tests-watch-stop": "watchman watch-del $(node --eval \"console.log(require('path').resolve('./lib'));\") && wml stop",
     "tests-pod-install": "cd tests && npm run ios:pod:install",
-    "build-copy": "cp -R $(node --eval \"console.log(require('path').resolve('./lib'));\")/* $(node --eval \"console.log(require('path').resolve('./tests/firebase'));\")/",
-    "postinstall": "test -d \"./tests\" && (npm run build-copy && npm run tests-npm-install) || echo \"Tests folder does not exists - skipping additional testing steps.\"",
     "flow": "flow"
   },
   "repository": {