diff --git a/ext/node/lib.rs b/ext/node/lib.rs
index dcb779060d..2a060d0e8b 100644
--- a/ext/node/lib.rs
+++ b/ext/node/lib.rs
@@ -591,7 +591,6 @@ deno_core::extension!(deno_node,
     "internal/readline/utils.mjs",
     "internal/stream_base_commons.ts",
     "internal/streams/add-abort-signal.mjs",
-    "internal/streams/buffer_list.mjs",
     "internal/streams/destroy.mjs",
     "internal/streams/end-of-stream.mjs",
     "internal/streams/lazy_transform.mjs",
diff --git a/ext/node/polyfills/01_require.js b/ext/node/polyfills/01_require.js
index 3e90750cd3..065c266834 100644
--- a/ext/node/polyfills/01_require.js
+++ b/ext/node/polyfills/01_require.js
@@ -122,7 +122,6 @@ import internalFsUtils from "ext:deno_node/internal/fs/utils.mjs";
 import internalHttp from "ext:deno_node/internal/http.ts";
 import internalReadlineUtils from "ext:deno_node/internal/readline/utils.mjs";
 import internalStreamsAddAbortSignal from "ext:deno_node/internal/streams/add-abort-signal.mjs";
-import internalStreamsBufferList from "ext:deno_node/internal/streams/buffer_list.mjs";
 import internalStreamsLazyTransform from "ext:deno_node/internal/streams/lazy_transform.mjs";
 import internalStreamsState from "ext:deno_node/internal/streams/state.mjs";
 import internalTestBinding from "ext:deno_node/internal/test/binding.ts";
@@ -225,7 +224,6 @@ function setupBuiltinModules() {
     "internal/http": internalHttp,
     "internal/readline/utils": internalReadlineUtils,
     "internal/streams/add-abort-signal": internalStreamsAddAbortSignal,
-    "internal/streams/buffer_list": internalStreamsBufferList,
     "internal/streams/lazy_transform": internalStreamsLazyTransform,
     "internal/streams/state": internalStreamsState,
     "internal/test/binding": internalTestBinding,
diff --git a/ext/node/polyfills/internal/streams/buffer_list.mjs b/ext/node/polyfills/internal/streams/buffer_list.mjs
deleted file mode 100644
index cb9dba563b..0000000000
--- a/ext/node/polyfills/internal/streams/buffer_list.mjs
+++ /dev/null
@@ -1,188 +0,0 @@
-// Copyright 2018-2025 the Deno authors. MIT license.
-// Copyright Joyent and Node contributors. All rights reserved. MIT license.
-// deno-lint-ignore-file
-
-import { Buffer } from "node:buffer";
-import { inspect } from "ext:deno_node/internal/util/inspect.mjs";
-
-class BufferList {
-  constructor() {
-    this.head = null;
-    this.tail = null;
-    this.length = 0;
-  }
-
-  push(v) {
-    const entry = { data: v, next: null };
-    if (this.length > 0) {
-      this.tail.next = entry;
-    } else {
-      this.head = entry;
-    }
-    this.tail = entry;
-    ++this.length;
-  }
-
-  unshift(v) {
-    const entry = { data: v, next: this.head };
-    if (this.length === 0) {
-      this.tail = entry;
-    }
-    this.head = entry;
-    ++this.length;
-  }
-
-  shift() {
-    if (this.length === 0) {
-      return;
-    }
-    const ret = this.head.data;
-    if (this.length === 1) {
-      this.head = this.tail = null;
-    } else {
-      this.head = this.head.next;
-    }
-    --this.length;
-    return ret;
-  }
-
-  clear() {
-    this.head = this.tail = null;
-    this.length = 0;
-  }
-
-  join(s) {
-    if (this.length === 0) {
-      return "";
-    }
-    let p = this.head;
-    let ret = "" + p.data;
-    while (p = p.next) {
-      ret += s + p.data;
-    }
-    return ret;
-  }
-
-  concat(n) {
-    if (this.length === 0) {
-      return Buffer.alloc(0);
-    }
-    const ret = Buffer.allocUnsafe(n >>> 0);
-    let p = this.head;
-    let i = 0;
-    while (p) {
-      ret.set(p.data, i);
-      i += p.data.length;
-      p = p.next;
-    }
-    return ret;
-  }
-
-  // Consumes a specified amount of bytes or characters from the buffered data.
-  consume(n, hasStrings) {
-    const data = this.head.data;
-    if (n < data.length) {
-      // `slice` is the same for buffers and strings.
-      const slice = data.slice(0, n);
-      this.head.data = data.slice(n);
-      return slice;
-    }
-    if (n === data.length) {
-      // First chunk is a perfect match.
-      return this.shift();
-    }
-    // Result spans more than one buffer.
-    return hasStrings ? this._getString(n) : this._getBuffer(n);
-  }
-
-  first() {
-    return this.head.data;
-  }
-
-  *[Symbol.iterator]() {
-    for (let p = this.head; p; p = p.next) {
-      yield p.data;
-    }
-  }
-
-  // Consumes a specified amount of characters from the buffered data.
-  _getString(n) {
-    let ret = "";
-    let p = this.head;
-    let c = 0;
-    do {
-      const str = p.data;
-      if (n > str.length) {
-        ret += str;
-        n -= str.length;
-      } else {
-        if (n === str.length) {
-          ret += str;
-          ++c;
-          if (p.next) {
-            this.head = p.next;
-          } else {
-            this.head = this.tail = null;
-          }
-        } else {
-          ret += str.slice(0, n);
-          this.head = p;
-          p.data = str.slice(n);
-        }
-        break;
-      }
-      ++c;
-    } while (p = p.next);
-    this.length -= c;
-    return ret;
-  }
-
-  // Consumes a specified amount of bytes from the buffered data.
-  _getBuffer(n) {
-    const ret = Buffer.allocUnsafe(n);
-    const retLen = n;
-    let p = this.head;
-    let c = 0;
-    do {
-      const buf = p.data;
-      if (n > buf.length) {
-        ret.set(buf, retLen - n);
-        n -= buf.length;
-      } else {
-        if (n === buf.length) {
-          ret.set(buf, retLen - n);
-          ++c;
-          if (p.next) {
-            this.head = p.next;
-          } else {
-            this.head = this.tail = null;
-          }
-        } else {
-          ret.set(
-            new Uint8Array(buf.buffer, buf.byteOffset, n),
-            retLen - n,
-          );
-          this.head = p;
-          p.data = buf.slice(n);
-        }
-        break;
-      }
-      ++c;
-    } while (p = p.next);
-    this.length -= c;
-    return ret;
-  }
-
-  // Make sure the linked list only shows the minimal necessary information.
-  [inspect.custom](_, options) {
-    return inspect(this, {
-      ...options,
-      // Only inspect one level.
-      depth: 0,
-      // It should not recurse.
-      customInspect: false,
-    });
-  }
-}
-
-export default BufferList;
diff --git a/tools/core_import_map.json b/tools/core_import_map.json
index 935c7179a1..44a40fa6ba 100644
--- a/tools/core_import_map.json
+++ b/tools/core_import_map.json
@@ -156,7 +156,6 @@
     "ext:deno_node/internal/readline/symbols.mjs": "../ext/node/polyfills/internal/readline/symbols.mjs",
     "ext:deno_node/internal/readline/utils.mjs": "../ext/node/polyfills/internal/readline/utils.mjs",
     "ext:deno_node/internal/streams/add-abort-signal.mjs": "../ext/node/polyfills/internal/streams/add-abort-signal.mjs",
-    "ext:deno_node/internal/streams/buffer_list.mjs": "../ext/node/polyfills/internal/streams/buffer_list.mjs",
     "ext:deno_node/internal/streams/destroy.mjs": "../ext/node/polyfills/internal/streams/destroy.mjs",
     "node:_stream_duplex": "../ext/node/polyfills/internal/streams/duplex.mjs",
     "ext:deno_node/internal/streams/end-of-stream.mjs": "../ext/node/polyfills/internal/streams/end-of-stream.mjs",