diff --git a/test/index.spec.js b/test/index.spec.js
index df8444a..fb8df62 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -14,7 +14,7 @@ const tmpDir = os.tmpdir();
 describe("basic tests", () => {
   it("generates", (done) => {
     keygen((err, result) => {
-      expect(expect(err).to.be.null);
+      expect(err).to.be.null;
       expect(result.private).to.match(/^-----BEGIN (RSA|OPENSSH) PRIVATE KEY-----\n/);
       expect(result.public).to.match(/^ssh-(ed25519|rsa) /);
       expect(result.fingerprint.length > 0);
@@ -25,7 +25,7 @@ describe("basic tests", () => {
 
   it("encrypts using password", (done) => {
     keygen({ password: "blahblahblah" }, (err, result) => {
-      expect(expect(err).to.be.null);
+      expect(err).to.be.null;
       expect(result.private).to.match(/^-----BEGIN (RSA|OPENSSH) PRIVATE KEY-----\n/);
       expect(result.public).to.match(/^ssh-(ed25519|rsa) /);
       expect(result.fingerprint.length > 0);
@@ -36,7 +36,7 @@ describe("basic tests", () => {
 
   it("encrypts using passphrase", (done) => {
     keygen({ passphrase: "foo bar biz bat" }, (err, result) => {
-      expect(expect(err).to.be.null);
+      expect(err).to.be.null;
       expect(result.private).to.match(/^-----BEGIN (RSA|OPENSSH) PRIVATE KEY-----\n/);
       expect(result.public).to.match(/^ssh-(ed25519|rsa) /);
       expect(result.fingerprint.length > 0);
@@ -47,7 +47,7 @@ describe("basic tests", () => {
 
   it("fails with negative number of bits", (done) => {
     keygen({ bits: -1 }, (err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Bits has bad value/);
       done();
     });
@@ -55,7 +55,7 @@ describe("basic tests", () => {
 
   it("fails with invalid key type", (done) => {
     keygen({ type: "foo" }, (err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/unknown key type/);
       done();
     });
@@ -64,7 +64,7 @@ describe("basic tests", () => {
   ["ecdsa", "ed25519", "rsa"].forEach((keyType) => {
     it(`can generate a ${keyType} key`, (done) => {
       keygen({ type: keyType }, (err, result) => {
-        expect(expect(err).to.be.null);
+        expect(err).to.be.null;
         expect(result.private).to.match(/^-----BEGIN (.*) PRIVATE KEY-----\n/);
         expect(result.public.length > 0);
         expect(result.fingerprint.length > 0);
@@ -78,11 +78,11 @@ describe("basic tests", () => {
     const dummyLocation = path.join(tmpDir, `dummy_file_to_keep_${crypto.randomBytes(16).toString("hex")}`);
 
     keygen({ keep: true, location: dummyLocation }, (err, result) => {
-      expect(expect(err).to.be.null);
-      expect(expect(result.path).to.not.be.null);
+      expect(err).to.be.null;
+      expect(result.path).to.not.be.null;
       const privateKey = result.private;
       fs.readFile(result.path, { encoding: "ascii" }, (fileReadErr, key) => {
-        expect(expect(fileReadErr).to.be.null);
+        expect(fileReadErr).to.be.null;
         expect(key).to.match(/^-----BEGIN (RSA|OPENSSH) PRIVATE KEY-----\n/);
         expect(key).to.eql(privateKey);
         done();
@@ -94,11 +94,11 @@ describe("basic tests", () => {
     const dummyLocation = path.join(tmpDir, `dummy_file_to_discard_${crypto.randomBytes(16).toString("hex")}`);
 
     keygen({ keep: false, location: dummyLocation }, (err, result) => {
-      expect(expect(err).to.be.null);
-      expect(expect(result.path).to.be.undefined);
+      expect(err).to.be.null;
+      expect(result.path).to.be.undefined;
       expect(result.private).to.match(/^-----BEGIN (RSA|OPENSSH) PRIVATE KEY-----\n/);
       fs.readFile(dummyLocation, { encoding: "ascii" }, (fileReadErr, _) => {
-        expect(expect(fileReadErr).to.not.be.null);
+        expect(fileReadErr).to.not.be.null;
         expect(fileReadErr.code).to.eql("ENOENT");
         done();
       });
@@ -107,7 +107,7 @@ describe("basic tests", () => {
 
   it("should fail if a bad location is specified", (done) => {
     keygen({ location: "/bad/location/" }, (err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/No such file or directory/);
       done();
     });
@@ -118,11 +118,11 @@ describe("basic tests", () => {
 
     // run the process twice with a fixed location, and the second one should fail
     keygen({ keep: true, location: dummyLocation }, (firstErr, firstResult) => {
-      expect(expect(firstErr).to.be.null);
-      expect(expect(firstResult.path).to.not.be.undefined);
+      expect(firstErr).to.be.null;
+      expect(firstResult.path).to.not.be.undefined;
       expect(firstResult.private).to.match(/^-----BEGIN (RSA|OPENSSH) PRIVATE KEY-----\n/);
       keygen({ keep: true, location: dummyLocation }, (secondErr, _) => {
-        expect(expect(secondErr).to.not.be.null);
+        expect(secondErr).to.not.be.null;
         expect(secondErr).to.match(/Key not generated because it would overwrite an existing file/);
         done();
       });
@@ -152,7 +152,7 @@ describe("Advanced error scenarios", () => {
     }, 5);
 
     keygen((err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Some unexpected failure reading the private key/);
       done();
     });
@@ -171,7 +171,7 @@ describe("Advanced error scenarios", () => {
     }, 10);
 
     keygen((err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Something bad happened/);
       done();
     });
@@ -190,7 +190,7 @@ describe("Advanced error scenarios", () => {
     }, 5);
 
     keygen((err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Some unexpected failure reading the public key/);
       done();
     });
@@ -212,7 +212,7 @@ describe("Advanced error scenarios", () => {
     }, 10);
 
     keygen((err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Something bad happened with the public key/);
       done();
     });
@@ -229,7 +229,7 @@ describe("Advanced error scenarios", () => {
     }, 5);
 
     keygen((err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Some unexpected failure deleting the private key/);
       done();
     });
@@ -249,7 +249,7 @@ describe("Advanced error scenarios", () => {
     }, 5);
 
     keygen((err, _) => {
-      expect(expect(err).to.not.be.null);
+      expect(err).to.not.be.null;
       expect(err).to.match(/Some unexpected failure deleting the public key/);
       done();
     });