diff --git a/src/lib/enr/keypair/secp256k1.ts b/src/lib/enr/keypair/secp256k1.ts
index 8c6a83448e..0a960fbc35 100644
--- a/src/lib/enr/keypair/secp256k1.ts
+++ b/src/lib/enr/keypair/secp256k1.ts
@@ -2,11 +2,9 @@ import * as secp from "@noble/secp256k1";
 
 import { compressPublicKey, randomBytes } from "../../crypto";
 
-import { IKeypair, IKeypairClass, KeypairType } from "./types";
+import { IKeypair, KeypairType } from "./types";
 
-export const Secp256k1Keypair: IKeypairClass = class Secp256k1Keypair
-  implements IKeypair
-{
+export class Secp256k1Keypair implements IKeypair {
   readonly type: KeypairType;
   _privateKey?: Uint8Array;
   readonly _publicKey?: Uint8Array;
@@ -77,4 +75,4 @@ export const Secp256k1Keypair: IKeypairClass = class Secp256k1Keypair
   hasPrivateKey(): boolean {
     return !!this._privateKey;
   }
-};
+}
diff --git a/src/lib/enr/keypair/types.ts b/src/lib/enr/keypair/types.ts
index 00e0696981..4d84d030c1 100644
--- a/src/lib/enr/keypair/types.ts
+++ b/src/lib/enr/keypair/types.ts
@@ -13,8 +13,3 @@ export interface IKeypair {
   verify(msg: Uint8Array, sig: Uint8Array): boolean;
   hasPrivateKey(): boolean;
 }
-
-export interface IKeypairClass {
-  new (privateKey?: Uint8Array, publicKey?: Uint8Array): IKeypair;
-  generate(): Promise<IKeypair>;
-}