diff --git a/lib/internal/blob.js b/lib/internal/blob.js
index 13c84e192f834a..5fb25e04fe1abe 100644
--- a/lib/internal/blob.js
+++ b/lib/internal/blob.js
@@ -42,7 +42,6 @@ const {
 } = require('internal/util/types');
 
 const {
-  toUSVString,
   createDeferredPromise,
   customInspectSymbol: kInspect,
   emitExperimentalWarning,
@@ -317,8 +316,7 @@ class Blob {
       throw new ERR_INVALID_THIS('Blob');
 
     const dec = new TextDecoder();
-    const str = dec.decode(await this.arrayBuffer());
-    return toUSVString(str);
+    return dec.decode(await this.arrayBuffer());
   }
 
   /**
diff --git a/lib/stream/consumers.js b/lib/stream/consumers.js
index 3bcdcbf2ec3456..4566eff6a30f7f 100644
--- a/lib/stream/consumers.js
+++ b/lib/stream/consumers.js
@@ -16,10 +16,6 @@ const {
   Buffer,
 } = require('buffer');
 
-const {
-  toUSVString
-} = require('internal/util');
-
 /**
  * @typedef {import('../internal/webstreams/readablestream').ReadableStream
  * } ReadableStream
@@ -70,7 +66,7 @@ async function text(stream) {
   // Flush the streaming TextDecoder so that any pending
   // incomplete multibyte characters are handled.
   str += dec.decode(undefined, { stream: false });
-  return toUSVString(str);
+  return str;
 }
 
 /**
diff --git a/test/parallel/test-blob.js b/test/parallel/test-blob.js
index e3d09fb348d0ee..f710b26e0ebdca 100644
--- a/test/parallel/test-blob.js
+++ b/test/parallel/test-blob.js
@@ -88,11 +88,11 @@ assert.throws(() => new Blob({}), {
 }
 
 {
-  const b = new Blob(['hello', Buffer.from('world\ud801')]);
-  assert.strictEqual(b.size, 13);
+  const b = new Blob(['hello', new Uint8Array([0xed,0xa0,0x88])]);
+  assert.strictEqual(b.size, 8);
   b.text().then(common.mustCall((text) => {
-    assert.strictEqual(text, 'helloworld\ufffd');
-    assert.strictEqual(text.length, 11);
+    assert.strictEqual(text, 'hello\ufffd\ufffd\ufffd');
+    assert.strictEqual(text.length, 8);
   }));
 }
 
diff --git a/test/parallel/test-whatwg-encoding-custom-textdecoder.js b/test/parallel/test-whatwg-encoding-custom-textdecoder.js
index 877cd43734451b..2f09883fc61b85 100644
--- a/test/parallel/test-whatwg-encoding-custom-textdecoder.js
+++ b/test/parallel/test-whatwg-encoding-custom-textdecoder.js
@@ -191,3 +191,18 @@ if (common.hasIntl) {
     }
   );
 }
+
+// Test TextDecoder for surrogate code points
+{
+  const decoder = new TextDecoder();
+  const chunk = Buffer.from([0x66, 0x6f, 0x6f, 0xed, 0xa0, 0x80]); // foo + U+D800
+  const str = decoder.decode(chunk);
+  assert.strictEqual(str, 'foo\ufffd\ufffd\ufffd');
+}
+
+{
+  const decoder = new TextDecoder();
+  const chunk = Buffer.from('\ud807');
+  const str = decoder.decode(chunk);
+  assert.strictEqual(str, '\ufffd');
+}
\ No newline at end of file