diff --git a/.changeset/violet-carrots-listen.md b/.changeset/violet-carrots-listen.md
new file mode 100644
index 00000000..247983c9
--- /dev/null
+++ b/.changeset/violet-carrots-listen.md
@@ -0,0 +1,5 @@
+---
+"@edge-runtime/primitives": patch
+---
+
+feat(primitives): remove atob/btoa implementation, use native implementation.
diff --git a/packages/primitives/package.json b/packages/primitives/package.json
index 1828d21c..c7979f8d 100644
--- a/packages/primitives/package.json
+++ b/packages/primitives/package.json
@@ -42,7 +42,7 @@
   ],
   "scripts": {
     "build": "ts-node scripts/build.ts",
-    "clean:build": "rm -rf dist abort-controller blob console crypto encoding events fetch streams structured-clone url",
+    "clean:build": "rm -rf dist abort-controller blob console crypto events fetch streams structured-clone url",
     "clean:node": "rm -rf node_modules",
     "prebuild": "pnpm run clean:build"
   },
diff --git a/packages/primitives/src/primitives/encoding.js b/packages/primitives/src/primitives/encoding.js
deleted file mode 100644
index 7d4ce4ca..00000000
--- a/packages/primitives/src/primitives/encoding.js
+++ /dev/null
@@ -1,3 +0,0 @@
-export const atob = (enc) => Buffer.from(enc, 'base64').toString('binary')
-export const btoa = (str) =>
-  Buffer.from(String(str), 'binary').toString('base64')
diff --git a/packages/primitives/src/primitives/load.js b/packages/primitives/src/primitives/load.js
index e4659661..4bb44665 100644
--- a/packages/primitives/src/primitives/load.js
+++ b/packages/primitives/src/primitives/load.js
@@ -72,20 +72,13 @@ function requireWithFakeGlobalScope(params) {
 export function load(scopedContext = {}) {
   /** @type Record<string, any> */
   const context = {}
-  /** @type {import('../../type-definitions/encoding')} */
-  const encodingImpl = requireWithFakeGlobalScope({
-    context,
-    id: 'encoding.js',
-    sourceCode: injectSourceCode('./encoding.js'),
-    scopedContext,
-  })
   assign(context, {
     TextDecoder,
     TextEncoder,
     TextEncoderStream,
     TextDecoderStream,
-    atob: encodingImpl.atob,
-    btoa: encodingImpl.btoa,
+    atob,
+    btoa,
   })
 
   /** @type {import('../../type-definitions/console')} */
diff --git a/packages/primitives/type-definitions/encoding.d.ts b/packages/primitives/type-definitions/encoding.d.ts
index 3081603f..1f01d223 100644
--- a/packages/primitives/type-definitions/encoding.d.ts
+++ b/packages/primitives/type-definitions/encoding.d.ts
@@ -4,5 +4,8 @@ declare const TextDecoderConstructor: typeof TextDecoder
 export { TextEncoderConstructor as TextEncoder }
 export { TextDecoderConstructor as TextDecoder }
 
-export const atob: (encoded: string) => string
-export const btoa: (input: any) => string
+declare const _atob: typeof atob
+declare const _btoa: typeof btoa
+
+export { _atob as atob }
+export { _btoa as btoa }
diff --git a/turbo.json b/turbo.json
index 7c0788ee..964b36c5 100644
--- a/turbo.json
+++ b/turbo.json
@@ -20,7 +20,6 @@
         "console/**",
         "crypto/**",
         "dist/**",
-        "encoding/**",
         "events/**",
         "fetch/**",
         "streams/**",