diff --git a/ext/io/12_io.js b/ext/io/12_io.js
index 36cde6020d..3bf05207d4 100644
--- a/ext/io/12_io.js
+++ b/ext/io/12_io.js
@@ -15,7 +15,6 @@ const {
   ArrayPrototypePush,
   TypedArrayPrototypeSubarray,
   TypedArrayPrototypeSet,
-  TypedArrayPrototypeGetBuffer,
   TypedArrayPrototypeGetByteLength,
 } = primordials;
 
@@ -112,26 +111,18 @@ function write(rid, data) {
 
 const READ_PER_ITER = 64 * 1024; // 64kb
 
-function readAll(r) {
-  return readAllInner(r);
-}
-async function readAllInner(r, options) {
+async function readAll(r) {
   const buffers = [];
-  const signal = options?.signal ?? null;
+
   while (true) {
-    signal?.throwIfAborted();
     const buf = new Uint8Array(READ_PER_ITER);
     const read = await r.read(buf);
     if (typeof read == "number") {
-      ArrayPrototypePush(
-        buffers,
-        new Uint8Array(TypedArrayPrototypeGetBuffer(buf), 0, read),
-      );
+      ArrayPrototypePush(buffers, TypedArrayPrototypeSubarray(buf, 0, read));
     } else {
       break;
     }
   }
-  signal?.throwIfAborted();
 
   return concatBuffers(buffers);
 }
@@ -275,7 +266,6 @@ export {
   iterSync,
   read,
   readAll,
-  readAllInner,
   readAllSync,
   readSync,
   SeekMode,