diff --git a/binders/kafka-binder/spring-cloud-stream-binder-kafka-core/src/main/java/org/springframework/cloud/stream/binder/kafka/properties/KafkaProducerProperties.java b/binders/kafka-binder/spring-cloud-stream-binder-kafka-core/src/main/java/org/springframework/cloud/stream/binder/kafka/properties/KafkaProducerProperties.java
index d55fb6d61..6c1b3aaaf 100644
--- a/binders/kafka-binder/spring-cloud-stream-binder-kafka-core/src/main/java/org/springframework/cloud/stream/binder/kafka/properties/KafkaProducerProperties.java
+++ b/binders/kafka-binder/spring-cloud-stream-binder-kafka-core/src/main/java/org/springframework/cloud/stream/binder/kafka/properties/KafkaProducerProperties.java
@@ -19,12 +19,12 @@ package org.springframework.cloud.stream.binder.kafka.properties;
 import java.util.HashMap;
 import java.util.Map;
 
+import com.fasterxml.jackson.annotation.JsonGetter;
 import jakarta.validation.constraints.NotNull;
 
 import org.springframework.expression.Expression;
 
-import com.fasterxml.jackson.annotation.JsonGetter;
-import com.fasterxml.jackson.annotation.JsonValue;
+
 
 /**
  * Extended producer properties for Kafka binder.
@@ -190,7 +190,7 @@ public class KafkaProducerProperties {
 	public Expression getMessageKeyExpression() {
 		return this.messageKeyExpression;
 	}
-	
+
 	@JsonGetter("messageKeyExpression")
 	public String getTheMessageKeyExpression() {
 		if (this.messageKeyExpression != null) {