diff --git a/src/constants.ts b/src/constants.ts
index 1169bdd..9da09d2 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -3,5 +3,5 @@ export const SIGNATURE_LENGTH = 96;
 export const FP_POINT_LENGTH = 48;
 export const PUBLIC_KEY_LENGTH = FP_POINT_LENGTH;
 export const G2_HASH_PADDING = 16;
-export const EMPTY_PUBLIC_KEY = Uint8Array.from(Buffer.alloc(PUBLIC_KEY_LENGTH));
-export const EMPTY_SIGNATURE = Uint8Array.from(Buffer.alloc(SIGNATURE_LENGTH));
+export const EMPTY_PUBLIC_KEY = new Uint8Array(PUBLIC_KEY_LENGTH);
+export const EMPTY_SIGNATURE = new Uint8Array(SIGNATURE_LENGTH);
diff --git a/test/benchmark/index.ts b/test/benchmark/index.ts
index e2a4c5d..9136baa 100644
--- a/test/benchmark/index.ts
+++ b/test/benchmark/index.ts
@@ -98,5 +98,5 @@ function range(n: number): number[] {
 }
 
 function randomMsg(): Uint8Array {
-  return Uint8Array.from(randomBytes(32));
+  return randomBytes(32);
 }
diff --git a/test/util.ts b/test/util.ts
index 6741237..a122ed7 100644
--- a/test/util.ts
+++ b/test/util.ts
@@ -1,7 +1,7 @@
 import {randomBytes} from "../src/helpers";
 
 export function fromHexString(hex: string): Uint8Array {
-  return Uint8Array.from(Buffer.from(hex.replace("0x", ""), "hex"));
+  return Buffer.from(hex.replace("0x", ""), "hex");
 }
 
 export function toHexString(bytes: Buffer | Uint8Array): string {