diff --git a/pgpainless-core/src/test/java/org/pgpainless/example/ManagePolicy.java b/pgpainless-core/src/test/java/org/pgpainless/example/ManagePolicy.java
index 711de225..858c99a9 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/example/ManagePolicy.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/example/ManagePolicy.java
@@ -88,7 +88,6 @@ public class ManagePolicy {
         // Per default, non-revocation signatures using SHA-1 are rejected
         assertFalse(sigHashAlgoPolicy.isAcceptable(HashAlgorithm.SHA1));
 
-
         // Create a new custom policy which contains SHA-1
         Policy.HashAlgorithmPolicy customPolicy = new Policy.HashAlgorithmPolicy(
                 // The default hash algorithm will be used when hash algorithm negotiation fails when creating a sig
@@ -98,7 +97,6 @@ public class ManagePolicy {
         // Set the hash algo policy as policy for non-revocation signatures
         policy.setSignatureHashAlgorithmPolicy(customPolicy);
 
-
         sigHashAlgoPolicy = policy.getSignatureHashAlgorithmPolicy();
         assertTrue(sigHashAlgoPolicy.isAcceptable(HashAlgorithm.SHA512));
         // SHA-1 is now acceptable as well
@@ -122,7 +120,6 @@ public class ManagePolicy {
         assertFalse(pkAlgorithmPolicy.isAcceptable(PublicKeyAlgorithm.RSA_GENERAL, 1024));
         assertTrue(pkAlgorithmPolicy.isAcceptable(PublicKeyAlgorithm.ECDSA, 256));
 
-
         Policy.PublicKeyAlgorithmPolicy customPolicy = new Policy.PublicKeyAlgorithmPolicy(
                 new HashMap<PublicKeyAlgorithm, Integer>(){{
                     // Put minimum bit strengths for acceptable algorithms.
@@ -133,7 +130,6 @@ public class ManagePolicy {
         );
         policy.setPublicKeyAlgorithmPolicy(customPolicy);
 
-
         pkAlgorithmPolicy = policy.getPublicKeyAlgorithmPolicy();
         assertTrue(pkAlgorithmPolicy.isAcceptable(PublicKeyAlgorithm.RSA_GENERAL, 4096));
         // RSA 2048 is no longer acceptable
@@ -156,10 +152,8 @@ public class ManagePolicy {
         NotationRegistry notationRegistry = policy.getNotationRegistry();
         assertFalse(notationRegistry.isKnownNotation("unknown@pgpainless.org"));
 
-
         notationRegistry.addKnownNotation("unknown@pgpainless.org");
 
-
         assertTrue(notationRegistry.isKnownNotation("unknown@pgpainless.org"));
     }
 }
diff --git a/pgpainless-core/src/test/java/org/pgpainless/example/ModifyKeys.java b/pgpainless-core/src/test/java/org/pgpainless/example/ModifyKeys.java
index a0785993..768064e7 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/example/ModifyKeys.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/example/ModifyKeys.java
@@ -67,7 +67,6 @@ public class ModifyKeys {
         // the certificate consists of only the public keys
         PGPPublicKeyRing certificate = PGPainless.extractCertificate(secretKey);
 
-
         KeyRingInfo info = PGPainless.inspectKeyRing(certificate);
         assertFalse(info.isSecretKey());
     }
@@ -79,11 +78,9 @@ public class ModifyKeys {
     public void toAsciiArmoredString() throws IOException {
         PGPPublicKeyRing certificate = PGPainless.extractCertificate(secretKey);
 
-
         String asciiArmoredSecretKey = PGPainless.asciiArmor(secretKey);
         String asciiArmoredCertificate = PGPainless.asciiArmor(certificate);
 
-
         assertTrue(asciiArmoredSecretKey.startsWith("-----BEGIN PGP PRIVATE KEY BLOCK-----"));
         assertTrue(asciiArmoredCertificate.startsWith("-----BEGIN PGP PUBLIC KEY BLOCK-----"));
     }
@@ -99,7 +96,6 @@ public class ModifyKeys {
                 .toNewPassphrase(Passphrase.fromPassword("n3wP4ssW0rD"))
                 .done();
 
-
         // Old passphrase no longer works
         assertThrows(WrongPassphraseException.class, () ->
                 UnlockSecretKey.unlockSecretKey(secretKey.getSecretKey(), Passphrase.fromPassword(originalPassphrase)));
@@ -120,7 +116,6 @@ public class ModifyKeys {
                 .toNewPassphrase(Passphrase.fromPassword("cryptP4ssphr4s3"))
                 .done();
 
-
         // encryption key can now only be unlocked using the new passphrase
         assertThrows(WrongPassphraseException.class, () ->
                 UnlockSecretKey.unlockSecretKey(
@@ -143,7 +138,6 @@ public class ModifyKeys {
                 .addUserId("additional@user.id", protector)
                 .done();
 
-
         KeyRingInfo info = PGPainless.inspectKeyRing(secretKey);
         assertTrue(info.isUserIdValid("additional@user.id"));
         assertFalse(info.isUserIdValid("another@user.id"));
@@ -176,7 +170,6 @@ public class ModifyKeys {
                         protector)
                 .done();
 
-
         KeyRingInfo info = PGPainless.inspectKeyRing(secretKey);
         assertEquals(4, info.getSecretKeys().size());
         assertEquals(4, info.getPublicKeys().size());
@@ -199,7 +192,6 @@ public class ModifyKeys {
                 .setExpirationDate(expirationDate, protector)
                 .done();
 
-
         KeyRingInfo info = PGPainless.inspectKeyRing(secretKey);
         assertEquals(DateUtil.formatUTCDate(expirationDate),
                 DateUtil.formatUTCDate(info.getPrimaryKeyExpirationDate()));
diff --git a/pgpainless-core/src/test/java/org/pgpainless/example/ReadKeys.java b/pgpainless-core/src/test/java/org/pgpainless/example/ReadKeys.java
index 60256c06..54e00c26 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/example/ReadKeys.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/example/ReadKeys.java
@@ -44,7 +44,6 @@ public class ReadKeys {
         PGPPublicKeyRing publicKey = PGPainless.readKeyRing()
                 .publicKeyRing(certificate);
 
-
         KeyRingInfo keyInfo = new KeyRingInfo(publicKey);
         OpenPgpFingerprint fingerprint = new OpenPgpV4Fingerprint("EB85 BB5F A33A 75E1 5E94  4E63 F231 550C 4F47 E38E");
         assertEquals(fingerprint, keyInfo.getFingerprint());
@@ -77,7 +76,6 @@ public class ReadKeys {
         PGPSecretKeyRing secretKey = PGPainless.readKeyRing()
                 .secretKeyRing(key);
 
-
         KeyRingInfo keyInfo = new KeyRingInfo(secretKey);
         OpenPgpFingerprint fingerprint = new OpenPgpV4Fingerprint("EB85 BB5F A33A 75E1 5E94  4E63 F231 550C 4F47 E38E");
         assertEquals(fingerprint, keyInfo.getFingerprint());
diff --git a/pgpainless-core/src/test/java/org/pgpainless/example/UnlockSecretKeys.java b/pgpainless-core/src/test/java/org/pgpainless/example/UnlockSecretKeys.java
index c6f227f3..92387978 100644
--- a/pgpainless-core/src/test/java/org/pgpainless/example/UnlockSecretKeys.java
+++ b/pgpainless-core/src/test/java/org/pgpainless/example/UnlockSecretKeys.java
@@ -40,7 +40,6 @@ public class UnlockSecretKeys {
         // This protector will only unlock unprotected keys
         SecretKeyRingProtector protector = SecretKeyRingProtector.unprotectedKeys();
 
-
         assertProtectorUnlocksAllSecretKeys(unprotectedKey, protector);
     }
 
@@ -105,7 +104,6 @@ public class UnlockSecretKeys {
         protector.addPassphrase(new OpenPgpV4Fingerprint("DD8E1195E4B1720E7FB10EF7F60402708E75D941"),
                 Passphrase.fromPassword("s3c0ndsubk3y"));
 
-
         assertProtectorUnlocksAllSecretKeys(secretKey, protector);
     }