diff --git a/samples/sample-01/src/main/java/com/common/Foo1.java b/samples/sample-01/src/main/java/com/common/Foo1.java
index 4c08266c..3371eac7 100644
--- a/samples/sample-01/src/main/java/com/common/Foo1.java
+++ b/samples/sample-01/src/main/java/com/common/Foo1.java
@@ -26,7 +26,6 @@ public class Foo1 {
 	private String foo;
 
 	public Foo1() {
-		super();
 	}
 
 	public Foo1(String foo) {
diff --git a/samples/sample-01/src/main/java/com/common/Foo2.java b/samples/sample-01/src/main/java/com/common/Foo2.java
index acae7bd5..dbd2172d 100644
--- a/samples/sample-01/src/main/java/com/common/Foo2.java
+++ b/samples/sample-01/src/main/java/com/common/Foo2.java
@@ -26,7 +26,6 @@ public class Foo2 {
 	private String foo;
 
 	public Foo2() {
-		super();
 	}
 
 	public Foo2(String foo) {
diff --git a/samples/sample-02/src/main/java/com/common/Bar1.java b/samples/sample-02/src/main/java/com/common/Bar1.java
index 3b971a9a..00276f1f 100644
--- a/samples/sample-02/src/main/java/com/common/Bar1.java
+++ b/samples/sample-02/src/main/java/com/common/Bar1.java
@@ -26,7 +26,6 @@ public class Bar1 {
 	public String bar;
 
 	public Bar1() {
-		super();
 	}
 
 	public Bar1(String bar) {
diff --git a/samples/sample-02/src/main/java/com/common/Bar2.java b/samples/sample-02/src/main/java/com/common/Bar2.java
index 3384f34f..f29c3cf4 100644
--- a/samples/sample-02/src/main/java/com/common/Bar2.java
+++ b/samples/sample-02/src/main/java/com/common/Bar2.java
@@ -26,7 +26,6 @@ public class Bar2 {
 	public String bar;
 
 	public Bar2() {
-		super();
 	}
 
 	public Bar2(String bar) {
diff --git a/samples/sample-02/src/main/java/com/common/Foo1.java b/samples/sample-02/src/main/java/com/common/Foo1.java
index 5ab84de0..a1ed5e29 100644
--- a/samples/sample-02/src/main/java/com/common/Foo1.java
+++ b/samples/sample-02/src/main/java/com/common/Foo1.java
@@ -26,7 +26,6 @@ public class Foo1 {
 	private String foo;
 
 	public Foo1() {
-		super();
 	}
 
 	public Foo1(String foo) {
diff --git a/samples/sample-02/src/main/java/com/common/Foo2.java b/samples/sample-02/src/main/java/com/common/Foo2.java
index 3a54f4a0..264f19f4 100644
--- a/samples/sample-02/src/main/java/com/common/Foo2.java
+++ b/samples/sample-02/src/main/java/com/common/Foo2.java
@@ -26,7 +26,6 @@ public class Foo2 {
 	private String foo;
 
 	public Foo2() {
-		super();
 	}
 
 	public Foo2(String foo) {
diff --git a/samples/sample-03/src/main/java/com/common/Foo1.java b/samples/sample-03/src/main/java/com/common/Foo1.java
index 4c08266c..3371eac7 100644
--- a/samples/sample-03/src/main/java/com/common/Foo1.java
+++ b/samples/sample-03/src/main/java/com/common/Foo1.java
@@ -26,7 +26,6 @@ public class Foo1 {
 	private String foo;
 
 	public Foo1() {
-		super();
 	}
 
 	public Foo1(String foo) {
diff --git a/samples/sample-03/src/main/java/com/common/Foo2.java b/samples/sample-03/src/main/java/com/common/Foo2.java
index acae7bd5..dbd2172d 100644
--- a/samples/sample-03/src/main/java/com/common/Foo2.java
+++ b/samples/sample-03/src/main/java/com/common/Foo2.java
@@ -26,7 +26,6 @@ public class Foo2 {
 	private String foo;
 
 	public Foo2() {
-		super();
 	}
 
 	public Foo2(String foo) {
diff --git a/spring-kafka-test/src/main/java/org/springframework/kafka/test/utils/JUnitUtils.java b/spring-kafka-test/src/main/java/org/springframework/kafka/test/utils/JUnitUtils.java
index d8cb6311..3e95f2e1 100644
--- a/spring-kafka-test/src/main/java/org/springframework/kafka/test/utils/JUnitUtils.java
+++ b/spring-kafka-test/src/main/java/org/springframework/kafka/test/utils/JUnitUtils.java
@@ -44,7 +44,6 @@ public final class JUnitUtils {
 	private static final Log LOGGER = LogFactory.getLog(JUnitUtils.class);
 
 	private JUnitUtils() {
-		super();
 	}
 
 	/**
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/annotation/KafkaListenerAnnotationBeanPostProcessor.java b/spring-kafka/src/main/java/org/springframework/kafka/annotation/KafkaListenerAnnotationBeanPostProcessor.java
index 0df3f201..95f630ab 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/annotation/KafkaListenerAnnotationBeanPostProcessor.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/annotation/KafkaListenerAnnotationBeanPostProcessor.java
@@ -858,7 +858,6 @@ public class KafkaListenerAnnotationBeanPostProcessor<K, V>
 		private final Map<String, Object> listeners = new HashMap<>();
 
 		ListenerScope() {
-			super();
 		}
 
 		public void addListener(String key, Object bean) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointAdapter.java b/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointAdapter.java
index da980b3b..30988155 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointAdapter.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointAdapter.java
@@ -34,7 +34,6 @@ import org.springframework.kafka.support.converter.MessageConverter;
 class KafkaListenerEndpointAdapter implements KafkaListenerEndpoint {
 
 	KafkaListenerEndpointAdapter() {
-		super();
 	}
 
 	@Override
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/core/ProducerFactoryUtils.java b/spring-kafka/src/main/java/org/springframework/kafka/core/ProducerFactoryUtils.java
index 1614b1df..b188b199 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/core/ProducerFactoryUtils.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/core/ProducerFactoryUtils.java
@@ -44,7 +44,6 @@ public final class ProducerFactoryUtils {
 	public static final Duration DEFAULT_CLOSE_TIMEOUT = Duration.ofSeconds(5);
 
 	private ProducerFactoryUtils() {
-		super();
 	}
 
 	/**
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/listener/KafkaMessageListenerContainer.java b/spring-kafka/src/main/java/org/springframework/kafka/listener/KafkaMessageListenerContainer.java
index aa6d1abb..6bd1232b 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/listener/KafkaMessageListenerContainer.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/listener/KafkaMessageListenerContainer.java
@@ -2182,7 +2182,6 @@ public class KafkaMessageListenerContainer<K, V> // NOSONAR line count
 							? (ConsumerAwareRebalanceListener) this.userListener : null;
 
 			ListenerConsumerRebalanceListener() {
-				super();
 			}
 
 			@Override
@@ -2313,7 +2312,6 @@ public class KafkaMessageListenerContainer<K, V> // NOSONAR line count
 		private final class InitialOrIdleSeekCallback implements ConsumerSeekCallback {
 
 			InitialOrIdleSeekCallback() {
-				super();
 			}
 
 			@Override
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/listener/ListenerUtils.java b/spring-kafka/src/main/java/org/springframework/kafka/listener/ListenerUtils.java
index d48e3ff1..16b8b5d6 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/listener/ListenerUtils.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/listener/ListenerUtils.java
@@ -43,7 +43,6 @@ import org.springframework.util.Assert;
 public final class ListenerUtils {
 
 	private ListenerUtils() {
-		super();
 	}
 
 	public static ListenerType determineListenerType(Object listener) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/requestreply/RequestReplyFuture.java b/spring-kafka/src/main/java/org/springframework/kafka/requestreply/RequestReplyFuture.java
index 7bbb65d8..c5d388ef 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/requestreply/RequestReplyFuture.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/requestreply/RequestReplyFuture.java
@@ -38,7 +38,6 @@ public class RequestReplyFuture<K, V, R> extends SettableListenableFuture<Consum
 	private volatile ListenableFuture<SendResult<K, V>> sendFuture;
 
 	public RequestReplyFuture() {
-		super();
 	}
 
 	protected void setSendFuture(ListenableFuture<SendResult<K, V>> sendFuture) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/streams/RecoveringDeserializationExceptionHandler.java b/spring-kafka/src/main/java/org/springframework/kafka/streams/RecoveringDeserializationExceptionHandler.java
index 424d8d38..8e2207eb 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/streams/RecoveringDeserializationExceptionHandler.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/streams/RecoveringDeserializationExceptionHandler.java
@@ -48,7 +48,6 @@ public class RecoveringDeserializationExceptionHandler implements Deserializatio
 	private ConsumerRecordRecoverer recoverer;
 
 	public RecoveringDeserializationExceptionHandler() {
-		super();
 	}
 
 	public RecoveringDeserializationExceptionHandler(ConsumerRecordRecoverer recoverer) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/DefaultKafkaHeaderMapper.java b/spring-kafka/src/main/java/org/springframework/kafka/support/DefaultKafkaHeaderMapper.java
index cc728e35..b1b0a84f 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/DefaultKafkaHeaderMapper.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/DefaultKafkaHeaderMapper.java
@@ -421,7 +421,6 @@ public class DefaultKafkaHeaderMapper extends AbstractKafkaHeaderMapper {
 		private String untrustedType;
 
 		public NonTrustedHeaderType() {
-			super();
 		}
 
 		NonTrustedHeaderType(byte[] headerValue, String untrustedType) { // NOSONAR
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonMimeTypeModule.java b/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonMimeTypeModule.java
index 3f0967a1..c353c20f 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonMimeTypeModule.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonMimeTypeModule.java
@@ -47,7 +47,6 @@ public final class JacksonMimeTypeModule extends SimpleModule {
 	private static final class MimeTypeSerializer extends JsonSerializer<MimeType> {
 
 		MimeTypeSerializer() {
-			super();
 		}
 
 		@Override
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonPresent.java b/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonPresent.java
index 53e4ea00..0574a9fa 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonPresent.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/JacksonPresent.java
@@ -39,7 +39,6 @@ public final class JacksonPresent {
 	}
 
 	private JacksonPresent() {
-		super();
 	}
 
 }
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/JavaUtils.java b/spring-kafka/src/main/java/org/springframework/kafka/support/JavaUtils.java
index e37d6b5f..918dff17 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/JavaUtils.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/JavaUtils.java
@@ -41,7 +41,6 @@ public final class JavaUtils {
 	public static final JavaUtils INSTANCE = new JavaUtils();
 
 	private JavaUtils() {
-		super();
 	}
 
 	/**
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/KafkaUtils.java b/spring-kafka/src/main/java/org/springframework/kafka/support/KafkaUtils.java
index 22a02ea7..1b5db9d3 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/KafkaUtils.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/KafkaUtils.java
@@ -92,7 +92,6 @@ public final class KafkaUtils {
 	}
 
 	private KafkaUtils() {
-		super();
 	}
 
 }
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/SeekUtils.java b/spring-kafka/src/main/java/org/springframework/kafka/support/SeekUtils.java
index 5084b83d..1470e117 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/SeekUtils.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/SeekUtils.java
@@ -50,7 +50,6 @@ public final class SeekUtils {
 	public static final FixedBackOff DEFAULT_BACK_OFF = new FixedBackOff(0, DEFAULT_MAX_FAILURES - 1);
 
 	private SeekUtils() {
-		super();
 	}
 
 	/**
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/TransactionSupport.java b/spring-kafka/src/main/java/org/springframework/kafka/support/TransactionSupport.java
index 142beabb..9353960b 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/TransactionSupport.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/TransactionSupport.java
@@ -28,7 +28,6 @@ public final class TransactionSupport {
 	private static final ThreadLocal<String> transactionIdSuffix = new ThreadLocal<>(); // NOSONAR
 
 	private TransactionSupport() {
-		super();
 	}
 
 	public static void setTransactionIdSuffix(String suffix) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/converter/ByteArrayJsonMessageConverter.java b/spring-kafka/src/main/java/org/springframework/kafka/support/converter/ByteArrayJsonMessageConverter.java
index 4878bccd..d5b974d1 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/converter/ByteArrayJsonMessageConverter.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/converter/ByteArrayJsonMessageConverter.java
@@ -34,7 +34,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 public class ByteArrayJsonMessageConverter extends JsonMessageConverter {
 
 	public ByteArrayJsonMessageConverter() {
-		super();
 	}
 
 	public ByteArrayJsonMessageConverter(ObjectMapper objectMapper) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/converter/BytesJsonMessageConverter.java b/spring-kafka/src/main/java/org/springframework/kafka/support/converter/BytesJsonMessageConverter.java
index e29f9646..d31a40c3 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/converter/BytesJsonMessageConverter.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/converter/BytesJsonMessageConverter.java
@@ -36,7 +36,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 public class BytesJsonMessageConverter extends JsonMessageConverter {
 
 	public BytesJsonMessageConverter() {
-		super();
 	}
 
 	public BytesJsonMessageConverter(ObjectMapper objectMapper) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/converter/StringJsonMessageConverter.java b/spring-kafka/src/main/java/org/springframework/kafka/support/converter/StringJsonMessageConverter.java
index 6e9c2fe6..fa080223 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/converter/StringJsonMessageConverter.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/converter/StringJsonMessageConverter.java
@@ -34,7 +34,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 public class StringJsonMessageConverter extends JsonMessageConverter {
 
 	public StringJsonMessageConverter() {
-		super();
 	}
 
 	public StringJsonMessageConverter(ObjectMapper objectMapper) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java
index 9e9d3700..f035b7fe 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingDeserializer.java
@@ -52,7 +52,6 @@ public class DelegatingDeserializer implements Deserializer<Object> {
 	 * {@link #SERIALIZATION_SELECTOR_CONFIG}.
 	 */
 	public DelegatingDeserializer() {
-		super();
 	}
 
 	/**
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java
index d2b038d4..3d9e15f3 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/DelegatingSerializer.java
@@ -56,7 +56,6 @@ public class DelegatingSerializer implements Serializer<Object> {
 	 * {@link DelegatingSerializer#SERIALIZATION_SELECTOR_CONFIG}.
 	 */
 	public DelegatingSerializer() {
-		super();
 	}
 
 	/**
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer2.java b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer2.java
index 4043fa40..cc123d3e 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer2.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/support/serializer/ErrorHandlingDeserializer2.java
@@ -87,7 +87,6 @@ public class ErrorHandlingDeserializer2<T> implements Deserializer<T> {
 	private Function<FailedDeserializationInfo, T> failedDeserializationFunction;
 
 	public ErrorHandlingDeserializer2() {
-		super();
 	}
 
 	public ErrorHandlingDeserializer2(Deserializer<T> delegate) {
diff --git a/spring-kafka/src/main/java/org/springframework/kafka/transaction/KafkaTransactionManager.java b/spring-kafka/src/main/java/org/springframework/kafka/transaction/KafkaTransactionManager.java
index 8cec03e8..e9c904ff 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/transaction/KafkaTransactionManager.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/transaction/KafkaTransactionManager.java
@@ -234,7 +234,6 @@ public class KafkaTransactionManager<K, V> extends AbstractPlatformTransactionMa
 		private KafkaResourceHolder<K, V> resourceHolder;
 
 		KafkaTransactionObject() {
-			super();
 		}
 
 		public void setResourceHolder(KafkaResourceHolder<K, V> resourceHolder) {
diff --git a/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversion2Tests.java b/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversion2Tests.java
index f61b365d..ad175cd4 100644
--- a/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversion2Tests.java
+++ b/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversion2Tests.java
@@ -171,7 +171,6 @@ public class BatchListenerConversion2Tests {
 		private String bar;
 
 		public Foo() {
-			super();
 		}
 
 		public Foo(String bar) {
diff --git a/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversionTests.java b/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversionTests.java
index 6005eebe..b782d5fe 100644
--- a/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversionTests.java
+++ b/spring-kafka/src/test/java/org/springframework/kafka/annotation/BatchListenerConversionTests.java
@@ -286,7 +286,6 @@ public class BatchListenerConversionTests {
 		public String bar;
 
 		public Foo() {
-			super();
 		}
 
 		public Foo(String bar) {
diff --git a/spring-kafka/src/test/java/org/springframework/kafka/annotation/EnableKafkaIntegrationTests.java b/spring-kafka/src/test/java/org/springframework/kafka/annotation/EnableKafkaIntegrationTests.java
index 756da920..865e322e 100644
--- a/spring-kafka/src/test/java/org/springframework/kafka/annotation/EnableKafkaIntegrationTests.java
+++ b/spring-kafka/src/test/java/org/springframework/kafka/annotation/EnableKafkaIntegrationTests.java
@@ -2075,7 +2075,6 @@ public class EnableKafkaIntegrationTests {
 
 
 		public Foo() {
-			super();
 		}
 
 		public Foo(String bar) {
@@ -2098,7 +2097,6 @@ public class EnableKafkaIntegrationTests {
 		private String bar;
 
 		public Baz() {
-			super();
 		}
 
 		public Baz(String bar) {
@@ -2121,7 +2119,6 @@ public class EnableKafkaIntegrationTests {
 		private String bar;
 
 		public Qux() {
-			super();
 		}
 
 		public Qux(String bar) {
diff --git a/spring-kafka/src/test/java/org/springframework/kafka/listener/KafkaMessageListenerContainerTests.java b/spring-kafka/src/test/java/org/springframework/kafka/listener/KafkaMessageListenerContainerTests.java
index 4eb26c04..b41caf8b 100644
--- a/spring-kafka/src/test/java/org/springframework/kafka/listener/KafkaMessageListenerContainerTests.java
+++ b/spring-kafka/src/test/java/org/springframework/kafka/listener/KafkaMessageListenerContainerTests.java
@@ -2725,7 +2725,6 @@ public class KafkaMessageListenerContainerTests {
 		private String bar;
 
 		public Foo() {
-			super();
 		}
 
 		public Foo(String bar) {
@@ -2752,7 +2751,6 @@ public class KafkaMessageListenerContainerTests {
 		private String bar;
 
 		public Foo1() {
-			super();
 		}
 
 		public Foo1(String bar) {
@@ -2779,7 +2777,6 @@ public class KafkaMessageListenerContainerTests {
 		private String baz;
 
 		public Bar() {
-			super();
 		}
 
 		public Bar(String baz) {
@@ -2808,7 +2805,6 @@ public class KafkaMessageListenerContainerTests {
 		private String baz;
 
 		public Bar1() {
-			super();
 		}
 
 		public Bar1(String baz) {
diff --git a/spring-kafka/src/test/java/org/springframework/kafka/support/DefaultKafkaHeaderMapperTests.java b/spring-kafka/src/test/java/org/springframework/kafka/support/DefaultKafkaHeaderMapperTests.java
index 31d0efb3..9057aff3 100644
--- a/spring-kafka/src/test/java/org/springframework/kafka/support/DefaultKafkaHeaderMapperTests.java
+++ b/spring-kafka/src/test/java/org/springframework/kafka/support/DefaultKafkaHeaderMapperTests.java
@@ -294,7 +294,6 @@ public class DefaultKafkaHeaderMapperTests {
 		private String field;
 
 		public Bar() {
-			super();
 		}
 
 		public Bar(String field) {