diff --git a/spring-modulith-events/spring-modulith-events-jdbc/pom.xml b/spring-modulith-events/spring-modulith-events-jdbc/pom.xml
index 078810fe..c5edc4fb 100644
--- a/spring-modulith-events/spring-modulith-events-jdbc/pom.xml
+++ b/spring-modulith-events/spring-modulith-events-jdbc/pom.xml
@@ -60,23 +60,25 @@
 			<scope>test</scope>
 		</dependency>
 
-		<!-- Test Containers -->
+		<!-- Testcontainers -->
+		
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>testcontainers</artifactId>
 			<scope>test</scope>
 		</dependency>
+
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>junit-jupiter</artifactId>
 			<scope>test</scope>
 		</dependency>
+
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>postgresql</artifactId>
 			<scope>test</scope>
 		</dependency>
-		<!-- -->
 
 		<dependency>
 			<groupId>org.hsqldb</groupId>
@@ -97,4 +99,5 @@
 		</dependency>
 
 	</dependencies>
+
 </project>
diff --git a/spring-modulith-events/spring-modulith-events-jdbc/src/main/java/org/springframework/modulith/events/jdbc/JdbcEventPublicationRepository.java b/spring-modulith-events/spring-modulith-events-jdbc/src/main/java/org/springframework/modulith/events/jdbc/JdbcEventPublicationRepository.java
index e17d4170..08adbe21 100644
--- a/spring-modulith-events/spring-modulith-events-jdbc/src/main/java/org/springframework/modulith/events/jdbc/JdbcEventPublicationRepository.java
+++ b/spring-modulith-events/spring-modulith-events-jdbc/src/main/java/org/springframework/modulith/events/jdbc/JdbcEventPublicationRepository.java
@@ -97,9 +97,10 @@ class JdbcEventPublicationRepository implements EventPublicationRepository {
 				(rs, rowNum) -> rs.getObject("ID", UUID.class), serializedEvent, publication.getTargetIdentifier().getValue());
 
 		if (!results.isEmpty()) {
-			operations.update(
-					SQL_STATEMENT_UPDATE,
-					publication.getCompletionDate().map(Timestamp::from).orElse(null),
+
+			operations.update( //
+					SQL_STATEMENT_UPDATE, //
+					publication.getCompletionDate().map(Timestamp::from).orElse(null), //
 					results.get(0));
 		}
 
@@ -114,11 +115,12 @@ class JdbcEventPublicationRepository implements EventPublicationRepository {
 		var results = operations.query(SQL_STATEMENT_FIND_BY_EVENT_AND_LISTENER_ID, this::resultSetToPublications,
 				serializeEvent(event), targetIdentifier.getValue());
 
-		return Optional.ofNullable((results == null) || results.isEmpty() ? null : results.get(0));
+		return Optional.ofNullable(results == null || results.isEmpty() ? null : results.get(0));
 	}
 
 	@Override
 	@Transactional(readOnly = true)
+	@SuppressWarnings("null")
 	public List<EventPublication> findIncompletePublications() {
 		return operations.query(SQL_STATEMENT_FIND_UNCOMPLETED, this::resultSetToPublications);
 	}
@@ -195,13 +197,13 @@ class JdbcEventPublicationRepository implements EventPublicationRepository {
 	private static class JdbcEventPublication implements CompletableEventPublication {
 
 		private final UUID id;
-		private final @Nullable Instant publicationDate;
+		private final Instant publicationDate;
 		private final String listenerId;
 		private final String serializedEvent;
 		private final Class<?> eventType;
 
 		private final EventSerializer serializer;
-		private Instant completionDate;
+		private @Nullable Instant completionDate;
 
 		@Override
 		public Object getEvent() {
diff --git a/spring-modulith-events/spring-modulith-events-jdbc/src/test/java/org/springframework/modulith/events/jdbc/DatabaseSchemaInitializerIntegrationTests.java b/spring-modulith-events/spring-modulith-events-jdbc/src/test/java/org/springframework/modulith/events/jdbc/DatabaseSchemaInitializerIntegrationTests.java
index 8acf0a92..3b24d604 100644
--- a/spring-modulith-events/spring-modulith-events-jdbc/src/test/java/org/springframework/modulith/events/jdbc/DatabaseSchemaInitializerIntegrationTests.java
+++ b/spring-modulith-events/spring-modulith-events-jdbc/src/test/java/org/springframework/modulith/events/jdbc/DatabaseSchemaInitializerIntegrationTests.java
@@ -46,7 +46,6 @@ class DatabaseSchemaInitializerIntegrationTests {
 	@ImportAutoConfiguration(JdbcEventPublicationAutoConfiguration.class)
 	@ContextConfiguration(classes = TestApplication.class)
 	static class TestBase {
-
 		@MockBean EventSerializer serializer;
 	}
 
diff --git a/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-h2.properties b/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-h2.properties
index fb956a9d..aaed5bb6 100644
--- a/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-h2.properties
+++ b/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-h2.properties
@@ -1,6 +1,6 @@
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1
-#
+
 spring.test.database.replace=NONE
-#
+
 spring.modulith.events.schema-initialization.enabled=true
diff --git a/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-hsqldb.properties b/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-hsqldb.properties
index f316ebb0..d639b426 100644
--- a/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-hsqldb.properties
+++ b/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-hsqldb.properties
@@ -1,6 +1,6 @@
 spring.datasource.driverClassName=org.hsqldb.jdbc.JDBCDriver
 spring.datasource.url=jdbc:hsqldb:mem:testdb;DB_CLOSE_DELAY=-1
-#
+
 spring.test.database.replace=NONE
-#
+
 spring.modulith.events.schema-initialization.enabled=true
diff --git a/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-postgres.properties b/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-postgres.properties
index ae9c8add..eda12d26 100644
--- a/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-postgres.properties
+++ b/spring-modulith-events/spring-modulith-events-jdbc/src/test/resources/application-postgres.properties
@@ -1,6 +1,6 @@
 spring.datasource.url=jdbc:tc:postgresql:13.2:////postgres
 spring.datasource.driverClassName=org.testcontainers.jdbc.ContainerDatabaseDriver
-#
+
 spring.test.database.replace=NONE
-#
+
 spring.modulith.events.schema-initialization.enabled=true