diff --git a/package.json b/package.json
index ec2414b5..1bc9a358 100644
--- a/package.json
+++ b/package.json
@@ -81,9 +81,6 @@
     "parcel": "2.10.1",
     "process": "^0.11.10",
     "rollup": "^4.9.1",
-    "rollup-plugin-commonjs": "^10.1.0",
-    "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-sourcemaps": "^0.6.3",
     "rollup-plugin-typescript2": "^0.36.0",
     "size-limit": "^11.0.1",
     "ts-mocha": "^10.0.0",
diff --git a/rollup.config.cjs b/rollup.config.cjs
index d451ea78..3e7aa510 100644
--- a/rollup.config.cjs
+++ b/rollup.config.cjs
@@ -1,5 +1,4 @@
 // import resolve from 'rollup-plugin-node-resolve';
-import commonjs from 'rollup-plugin-commonjs';
 import typescript from 'rollup-plugin-typescript2';
 
 const pkg = require('./package.json');