diff --git a/docs/recipes/optimize-storage.md b/docs/recipes/optimize-storage.md
index 55e3dd0fad..5ae914762b 100644
--- a/docs/recipes/optimize-storage.md
+++ b/docs/recipes/optimize-storage.md
@@ -66,7 +66,7 @@ rrweb.record({
 
 ### Use packFn to compress every event
 
-rrweb provides a pako-based simple compress function rrweb.pack.
+rrweb provides an fflate-based simple compress function rrweb.pack.
 
 You can use it by passing it as the `packFn` in the recording.
 
diff --git a/docs/recipes/optimize-storage.zh_CN.md b/docs/recipes/optimize-storage.zh_CN.md
index d982cfd100..6d04434677 100644
--- a/docs/recipes/optimize-storage.zh_CN.md
+++ b/docs/recipes/optimize-storage.zh_CN.md
@@ -66,7 +66,7 @@ rrweb.record({
 
 ### 基于 packFn 的单数据压缩
 
-rrweb 内包含了基于 pako 的简单压缩 rrweb.pack，在录制时可以作为 `packFn` 传入。
+rrweb 内包含了基于 fflate 的简单压缩 rrweb.pack，在录制时可以作为 `packFn` 传入。
 
 ```js
 rrweb.record({
diff --git a/rollup.config.js b/rollup.config.js
index d2b49958d6..53d2d48624 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,5 +1,4 @@
 import typescript from 'rollup-plugin-typescript';
-import commonjs from 'rollup-plugin-commonjs';
 import resolve from 'rollup-plugin-node-resolve';
 import { terser } from 'rollup-plugin-terser';
 import postcss from 'rollup-plugin-postcss';
@@ -37,12 +36,6 @@ function toMinPath(path) {
   return path.replace(/\.js$/, '.min.js');
 }
 
-const namedExports = {
-  'pako/dist/pako_deflate': ['deflate'],
-  'pako/dist/pako_inflate': ['inflate'],
-  pako: ['deflate'],
-};
-
 const baseConfigs = [
   // record only
   {
@@ -85,7 +78,7 @@ const baseConfigs = [
 let configs = [];
 
 for (const c of baseConfigs) {
-  const basePlugins = [resolve(), commonjs({ namedExports }), typescript()];
+  const basePlugins = [resolve({ browser: true }), typescript()];
   const plugins = basePlugins.concat(
     postcss({
       extract: false,
@@ -154,9 +147,6 @@ if (process.env.BROWSER_ONLY) {
     input: './src/index.ts',
     plugins: [
       resolve(),
-      commonjs({
-        namedExports,
-      }),
       typescript(),
       postcss({
         extract: true,
diff --git a/src/declarations/pako/index.d.ts b/src/declarations/pako/index.d.ts
deleted file mode 100644
index e92682ac15..0000000000
--- a/src/declarations/pako/index.d.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-declare module 'pako/dist/pako_deflate' {
-  export const deflate: any;
-}
-
-declare module 'pako/dist/pako_inflate' {
-  export const inflate: any;
-}
-
-declare module 'pako' {
-  export const deflate: any;
-  export const inflate: any;
-}