diff --git a/_tasks/dnt.ts b/_tasks/dnt.ts
index 71fe7bd9f..c9ac1f7f5 100755
--- a/_tasks/dnt.ts
+++ b/_tasks/dnt.ts
@@ -23,9 +23,9 @@ await Promise.all([
     }],
     outDir,
     mappings: {
-      "https://deno.land/x/scale@v0.6.0/mod.ts": {
+      "https://deno.land/x/scale@v0.6.1/mod.ts": {
         name: "parity-scale-codec",
-        version: "^0.6.0",
+        version: "^0.6.1",
       },
       "deps/smoldot_phantom.ts": {
         name: "@substrate/smoldot-light",
diff --git a/codegen/codecVisitor.ts b/codegen/codecVisitor.ts
index 892178e34..7dc887825 100644
--- a/codegen/codecVisitor.ts
+++ b/codegen/codecVisitor.ts
@@ -15,7 +15,7 @@ export function createCodecVisitor(
     getContent: () => [
       "\n",
       [
-        "import { ChainError, BitSequence, Era, $, $era, $null, $lenPrefixed } from",
+        "import { ChainError, BitSequence, Era, $, $era, $null } from",
         S.string(importSource),
       ],
       [`import type * as t from "./mod.ts"`],
@@ -169,7 +169,7 @@ export function createCodecVisitor(
       return addCodecDecl(ty, "$era");
     },
     lenPrefixedWrapper(ty, inner) {
-      return addCodecDecl(ty, ["$lenPrefixed(", this.visit(inner), ")"]);
+      return addCodecDecl(ty, ["$.lenPrefixed(", this.visit(inner), ")"]);
     },
     circular(ty) {
       return ["$.deferred(() =>", getName(getRawCodecPath(ty)), ")"];
diff --git a/deps/scale.ts b/deps/scale.ts
index 3c7e7aee2..7616e6e0f 100644
--- a/deps/scale.ts
+++ b/deps/scale.ts
@@ -1 +1 @@
-export * from "https://deno.land/x/scale@v0.6.0/mod.ts";
+export * from "https://deno.land/x/scale@v0.6.1/mod.ts";
diff --git a/frame_metadata/Codec.ts b/frame_metadata/Codec.ts
index 872d62db6..65d6b6784 100644
--- a/frame_metadata/Codec.ts
+++ b/frame_metadata/Codec.ts
@@ -1,5 +1,4 @@
 import * as $ from "../deps/scale.ts";
-import { $lenPrefixed } from "../util/$lenPrefixed.ts";
 import { $era } from "./Era.ts";
 import type * as M from "./mod.ts";
 import { TyVisitor } from "./TyVisitor.ts";
@@ -104,7 +103,7 @@ export function DeriveCodec(tys: M.Ty[]): DeriveCodec {
       return $era;
     },
     lenPrefixedWrapper(_ty, inner) {
-      return $lenPrefixed(this.visit(inner));
+      return $.lenPrefixed(this.visit(inner));
     },
     circular(ty) {
       return $.deferred(() => this.cache[ty.id]!);
diff --git a/frame_metadata/Extrinsic.ts b/frame_metadata/Extrinsic.ts
index 331c07994..53e1c4aff 100644
--- a/frame_metadata/Extrinsic.ts
+++ b/frame_metadata/Extrinsic.ts
@@ -2,7 +2,6 @@ import * as $ from "../deps/scale.ts";
 import { assert } from "../deps/std/testing/asserts.ts";
 import * as H from "../hashers/mod.ts";
 import * as ss58 from "../ss58/mod.ts";
-import { $lenPrefixed } from "../util/$lenPrefixed.ts";
 import { hex } from "../util/mod.ts";
 import { $null, DeriveCodec } from "./Codec.ts";
 import { Metadata } from "./Metadata.ts";
@@ -166,7 +165,7 @@ export function $extrinsic(props: ExtrinsicCodecProps): $.Codec<Extrinsic> {
     },
   });
 
-  return $lenPrefixed($baseExtrinsic);
+  return $.lenPrefixed($baseExtrinsic);
 
   function findExtrinsicTypeParam(name: string) {
     return metadata.extrinsic.ty.params.find((x) => x.name === name)?.ty;
diff --git a/mod.ts b/mod.ts
index 4c9b06eb7..dcf17a074 100644
--- a/mod.ts
+++ b/mod.ts
@@ -7,7 +7,6 @@ export * as M from "./frame_metadata/mod.ts";
 export { $era, $null, ChainError, type Era } from "./frame_metadata/mod.ts";
 export { kusama, moonbeam, polkadot, rococo, westend } from "./known/mod.ts"; // TODO: get rid of this!
 export {
-  $lenPrefixed,
   type CreateWatchHandler,
   hex,
   mapCreateWatchHandler,
diff --git a/util/$lenPrefixed.ts b/util/$lenPrefixed.ts
deleted file mode 100644
index 1defd07d5..000000000
--- a/util/$lenPrefixed.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import * as $ from "../deps/scale.ts";
-
-export function $lenPrefixed<T>($inner: $.Codec<T>): $.Codec<T> {
-  return $.createCodec({
-    _metadata: [$lenPrefixed, $inner],
-    _staticSize: $.compactU32._staticSize + $inner._staticSize,
-    _encode(buffer, extrinsic) {
-      const lengthCursor = buffer.createCursor($.compactU32._staticSize);
-      const contentCursor = buffer.createCursor($inner._staticSize);
-      $inner._encode(contentCursor, extrinsic);
-      buffer.waitForBuffer(contentCursor, () => {
-        const length = contentCursor.finishedSize + contentCursor.index;
-        $.compactU32._encode(lengthCursor, length);
-        lengthCursor.close();
-        contentCursor.close();
-      });
-    },
-    _decode(buffer) {
-      const length = $.compactU32._decode(buffer);
-      return $inner.decode(buffer.array.subarray(buffer.index, buffer.index += length));
-    },
-  });
-}
diff --git a/util/mod.ts b/util/mod.ts
index ccadbaefa..3a471c915 100644
--- a/util/mod.ts
+++ b/util/mod.ts
@@ -1,4 +1,3 @@
-export * from "./$lenPrefixed.ts";
 export * from "./branded.ts";
 export * from "./error.ts";
 export * as hex from "./hex.ts";