diff --git a/rollup.config.js b/rollup.config.js
index c222025f4d..c96e6ad6ca 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,3 +1,4 @@
+import { defineConfig } from 'rollup'
 import nodeResolve from '@rollup/plugin-node-resolve'
 import babel from '@rollup/plugin-babel'
 import replace from '@rollup/plugin-replace'
@@ -14,23 +15,17 @@ const babelRuntimeVersion = pkg.dependencies['@babel/runtime'].replace(
   ''
 )
 
-const makeExternalPredicate = externalArr => {
-  if (externalArr.length === 0) {
-    return () => false
-  }
-  const pattern = new RegExp(`^(${externalArr.join('|')})($|/)`)
-  return id => pattern.test(id)
-}
+const external = [
+  ...Object.keys(pkg.dependencies || {}),
+  ...Object.keys(pkg.peerDependencies || {})
+].map(name => RegExp(`^${name}($|/)`))
 
-export default [
+export default defineConfig([
   // CommonJS
   {
     input: 'src/index.ts',
     output: { file: 'lib/redux.js', format: 'cjs', indent: false },
-    external: makeExternalPredicate([
-      ...Object.keys(pkg.dependencies || {}),
-      ...Object.keys(pkg.peerDependencies || {})
-    ]),
+    external,
     plugins: [
       nodeResolve({
         extensions
@@ -51,10 +46,7 @@ export default [
   {
     input: 'src/index.ts',
     output: { file: 'es/redux.js', format: 'es', indent: false },
-    external: makeExternalPredicate([
-      ...Object.keys(pkg.dependencies || {}),
-      ...Object.keys(pkg.peerDependencies || {})
-    ]),
+    external,
     plugins: [
       nodeResolve({
         extensions
@@ -98,8 +90,7 @@ export default [
         compress: {
           pure_getters: true,
           unsafe: true,
-          unsafe_comps: true,
-          warnings: false
+          unsafe_comps: true
         }
       })
     ]
@@ -161,10 +152,9 @@ export default [
         compress: {
           pure_getters: true,
           unsafe: true,
-          unsafe_comps: true,
-          warnings: false
+          unsafe_comps: true
         }
       })
     ]
   }
-]
+])