diff --git a/samples/sample-07/build.gradle b/samples/sample-07/build.gradle
index 66b2e29d..923f3952 100644
--- a/samples/sample-07/build.gradle
+++ b/samples/sample-07/build.gradle
@@ -21,10 +21,6 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter'
 	implementation 'org.springframework.kafka:spring-kafka'
 	developmentOnly 'org.springframework.boot:spring-boot-docker-compose'
-
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
-	testImplementation 'org.springframework.kafka:spring-kafka-test'
-	testImplementation 'org.springframework.boot:spring-boot-testcontainers'
 }
 
 tasks.named('test') {
diff --git a/samples/sample-07/src/main/java/com/example/sample07/Sample07Application.java b/samples/sample-07/src/main/java/com/example/sample07/Sample07Application.java
index d40aaf05..3d8905a5 100644
--- a/samples/sample-07/src/main/java/com/example/sample07/Sample07Application.java
+++ b/samples/sample-07/src/main/java/com/example/sample07/Sample07Application.java
@@ -26,7 +26,7 @@ import org.springframework.kafka.annotation.EnableKafka;
  *
  * @author Sanghyeok An.
  *
- * @since 3.3
+ * @since 3.2.0
  */
 
 @EnableKafka
diff --git a/samples/sample-07/src/main/java/com/example/sample07/Sample07KafkaListener.java b/samples/sample-07/src/main/java/com/example/sample07/Sample07KafkaListener.java
index dbf4c95c..3c4195f0 100644
--- a/samples/sample-07/src/main/java/com/example/sample07/Sample07KafkaListener.java
+++ b/samples/sample-07/src/main/java/com/example/sample07/Sample07KafkaListener.java
@@ -27,7 +27,7 @@ import org.springframework.stereotype.Component;
  *
  * @author Sanghyeok An.
  *
- * @since 3.3
+ * @since 3.2.0
  */
 
 @Component