diff --git a/src/interface.ts b/src/interface.ts
index 83b0959..5e9dc5b 100644
--- a/src/interface.ts
+++ b/src/interface.ts
@@ -55,8 +55,3 @@ export declare class Signature {
   toBytes(): Uint8Array;
   toHex(): string;
 }
-
-export interface IKeypair {
-  publicKey: PublicKey;
-  secretKey: SecretKey;
-}
diff --git a/test/unit/run-all-implementations.test.ts b/test/unit/run-all-implementations.test.ts
index 7ebc0cf..c8898e0 100644
--- a/test/unit/run-all-implementations.test.ts
+++ b/test/unit/run-all-implementations.test.ts
@@ -1,6 +1,5 @@
 import {runSecretKeyTests} from "./secretKey.test";
 import {runPublicKeyTests} from "./publicKey.test";
-// import {runKeypairTests} from "./keypair.test";
 import {runIndexTests} from "./index.test";
 import {describeForAllImplementations} from "../switch";
 
@@ -8,6 +7,5 @@ import {describeForAllImplementations} from "../switch";
 describeForAllImplementations((bls) => {
   runSecretKeyTests(bls);
   runPublicKeyTests(bls);
-  // runKeypairTests(bls);
   runIndexTests(bls);
 });
diff --git a/test/unit/run-web-implementation.test.ts b/test/unit/run-web-implementation.test.ts
index 764bacd..1ef54f0 100644
--- a/test/unit/run-web-implementation.test.ts
+++ b/test/unit/run-web-implementation.test.ts
@@ -1,7 +1,6 @@
 import herumi from "../../src/herumi";
 import {runSecretKeyTests} from "./secretKey.test";
 import {runPublicKeyTests} from "./publicKey.test";
-// import {runKeypairTests} from "./keypair.test";
 import {runIndexTests} from "./index.test";
 
 // This file is intended to be compiled and run by Karma
@@ -16,6 +15,5 @@ describe("herumi", () => {
 
   runSecretKeyTests(herumi);
   runPublicKeyTests(herumi);
-  // runKeypairTests(bls);
   runIndexTests(herumi);
 });