diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000..eee77d87
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1 @@
+lib/**/*.ts
diff --git a/package-lock.json b/package-lock.json
index c1123b1b..42e4b689 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -76,7 +76,6 @@
         "git-pre-hooks": "^1.2.0",
         "husky": "^7.0.4",
         "immediate": "^3.3.0",
-        "istanbul-lib-processinfo": "2.0.2",
         "karma": "^6.3.4",
         "karma-browserify": "^8.1.0",
         "karma-chrome-launcher": "^2.2.0",
@@ -91,7 +90,6 @@
         "prettier": "^3.0.0",
         "promise-polyfill": "^6.0.2",
         "puppeteer": "19.0.0",
-        "regenerate-unicode-properties": "10.1.0",
         "semantic-release": "^21.1.1",
         "should": "^11.0.0",
         "sinon": "^15.2.0",