diff --git a/sop-java-testfixtures/src/main/java/sop/testsuite/operation/GenerateKeyTest.java b/sop-java-testfixtures/src/main/java/sop/testsuite/operation/GenerateKeyTest.java
index b63b4b8..4a5da58 100644
--- a/sop-java-testfixtures/src/main/java/sop/testsuite/operation/GenerateKeyTest.java
+++ b/sop-java-testfixtures/src/main/java/sop/testsuite/operation/GenerateKeyTest.java
@@ -9,7 +9,6 @@ import org.junit.jupiter.api.condition.EnabledIf;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
-import sop.Profile;
 import sop.SOP;
 import sop.exception.SOPGPException;
 import sop.testsuite.JUtils;
@@ -17,11 +16,9 @@ import sop.testsuite.TestData;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.util.List;
 import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assumptions.assumeTrue;
 
 @EnabledIf("sop.testsuite.operation.AbstractSOPTest#hasBackends")
 public class GenerateKeyTest extends AbstractSOPTest {
@@ -121,30 +118,4 @@ public class GenerateKeyTest extends AbstractSOPTest {
                 sop.encrypt().withCert(signingOnlyCert)
                         .plaintext(TestData.PLAINTEXT.getBytes(StandardCharsets.UTF_8)));
     }
-
-    @ParameterizedTest
-    @MethodSource("provideInstances")
-    public void generateKeyWithSupportedProfiles(SOP sop) throws IOException {
-        List<Profile> profiles = sop.listProfiles()
-                .generateKey();
-
-        for (Profile profile : profiles) {
-            generateKeyWithProfile(sop, profile.getName());
-        }
-    }
-
-    private void generateKeyWithProfile(SOP sop, String profile) throws IOException {
-        byte[] key;
-        try {
-            key = sop.generateKey()
-                    .profile(profile)
-                    .userId("Alice <alice@pgpainless.org>")
-                    .generate()
-                    .getBytes();
-        } catch (SOPGPException.UnsupportedProfile e) {
-            key = null;
-        }
-        assumeTrue(key != null, "'generate-key' does not support profile '" + profile + "'.");
-        JUtils.assertArrayStartsWith(key, TestData.BEGIN_PGP_PRIVATE_KEY_BLOCK);
-    }
 }
diff --git a/sop-java-testfixtures/src/main/java/sop/testsuite/operation/MergeCertsTest.java b/sop-java-testfixtures/src/main/java/sop/testsuite/operation/MergeCertsTest.java
index 7bc99d1..3d40a99 100644
--- a/sop-java-testfixtures/src/main/java/sop/testsuite/operation/MergeCertsTest.java
+++ b/sop-java-testfixtures/src/main/java/sop/testsuite/operation/MergeCertsTest.java
@@ -4,7 +4,6 @@
 
 package sop.testsuite.operation;
 
-import kotlin.collections.ArraysKt;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
@@ -44,52 +43,6 @@ public class MergeCertsTest extends AbstractSOPTest {
         assertArrayEquals(cert, merged);
     }
 
-    @ParameterizedTest
-    @MethodSource("provideInstances")
-    public void testMergeWithItselfArmored(SOP sop) throws IOException {
-        byte[] key = sop.generateKey()
-                .noArmor()
-                .userId("Alice <alice@pgpainless.org>")
-                .generate()
-                .getBytes();
-
-        byte[] cert = sop.extractCert()
-                .key(key)
-                .getBytes();
-
-        byte[] merged = sop.mergeCerts()
-                .updates(cert)
-                .baseCertificates(cert)
-                .getBytes();
-
-        assertArrayEquals(cert, merged);
-    }
-
-    @ParameterizedTest
-    @MethodSource("provideInstances")
-    public void testMergeWithItselfViaBase(SOP sop) throws IOException {
-        byte[] key = sop.generateKey()
-                .noArmor()
-                .userId("Alice <alice@pgpainless.org>")
-                .generate()
-                .getBytes();
-
-        byte[] cert = sop.extractCert()
-                .noArmor()
-                .key(key)
-                .getBytes();
-
-        byte[] certs = ArraysKt.plus(cert, cert);
-
-        byte[] merged = sop.mergeCerts()
-                .noArmor()
-                .updates(cert)
-                .baseCertificates(certs)
-                .getBytes();
-
-        assertArrayEquals(cert, merged);
-    }
-
     @ParameterizedTest
     @MethodSource("provideInstances")
     public void testApplyBaseToUpdate(SOP sop) throws IOException {
@@ -145,39 +98,4 @@ public class MergeCertsTest extends AbstractSOPTest {
 
         assertArrayEquals(update, merged);
     }
-
-    @ParameterizedTest
-    @MethodSource("provideInstances")
-    public void testApplyUpdateToMissingBaseDoesNothing(SOP sop) throws IOException {
-        byte[] aliceKey = sop.generateKey()
-                .noArmor()
-                .userId("Alice <alice@pgpainless.org>")
-                .generate()
-                .getBytes();
-
-        byte[] aliceCert = sop.extractCert()
-                .noArmor()
-                .key(aliceKey)
-                .getBytes();
-
-        byte[] bobKey = sop.generateKey()
-                .noArmor()
-                .userId("Bob <bob@pgpainless.org>")
-                .generate()
-                .getBytes();
-
-        byte[] bobCert = sop.extractCert()
-                .noArmor()
-                .key(bobKey)
-                .getBytes();
-
-        byte[] merged = sop.mergeCerts()
-                .noArmor()
-                .updates(bobCert)
-                .baseCertificates(aliceCert)
-                .getBytes();
-
-        assertArrayEquals(aliceCert, merged);
-    }
-
 }