diff --git a/spring-boot-cli/samples/jms.groovy b/spring-boot-cli/samples/jms.groovy
index 54454fa1e8..92d130ca6b 100644
--- a/spring-boot-cli/samples/jms.groovy
+++ b/spring-boot-cli/samples/jms.groovy
@@ -12,7 +12,7 @@ class JmsExample implements CommandLineRunner {
 
 	@Autowired
 	JmsTemplate jmsTemplate
-	
+
 	@Bean
 	DefaultMessageListenerContainer jmsListener(ConnectionFactory connectionFactory) {
 		new DefaultMessageListenerContainer([
@@ -24,8 +24,8 @@ class JmsExample implements CommandLineRunner {
 			}}
 		])
 	}
-	
-	void run(String... args) {	
+
+	void run(String... args) {
 		def messageCreator = { session ->
 			session.createObjectMessage("Greetings from Spring Boot via ActiveMQ")
 		} as MessageCreator
@@ -34,13 +34,13 @@ class JmsExample implements CommandLineRunner {
 		jmsTemplate.send("spring-boot", messageCreator)
 		latch.await()
 	}
-	
+
 }
 
 @Log
 class Receiver {
 	CountDownLatch latch
-	
+
     def receive(String message) {
         log.info "Received ${message}"
         latch.countDown()
diff --git a/spring-boot-samples/spring-boot-sample-aop/src/main/java/org/springframework/boot/sample/aop/monitor/ServiceMonitor.java b/spring-boot-samples/spring-boot-sample-aop/src/main/java/org/springframework/boot/sample/aop/monitor/ServiceMonitor.java
index 60be6e7806..90e3a047f4 100644
--- a/spring-boot-samples/spring-boot-sample-aop/src/main/java/org/springframework/boot/sample/aop/monitor/ServiceMonitor.java
+++ b/spring-boot-samples/spring-boot-sample-aop/src/main/java/org/springframework/boot/sample/aop/monitor/ServiceMonitor.java
@@ -8,7 +8,7 @@ import org.springframework.stereotype.Component;
 @Aspect
 @Component
 public class ServiceMonitor {
-	
+
 	@AfterReturning("execution(* *..*Service.*(..))")
 	public void logServiceAccess(JoinPoint joinPoint) {
 		System.out.println("Completed: " + joinPoint);
diff --git a/spring-boot-samples/spring-boot-sample-data-mongodb/src/main/java/org/springframework/boot/sample/data/mongo/SampleMongoApplication.java b/spring-boot-samples/spring-boot-sample-data-mongodb/src/main/java/org/springframework/boot/sample/data/mongo/SampleMongoApplication.java
index 59c8e8f0e8..ea60e9d5f5 100644
--- a/spring-boot-samples/spring-boot-sample-data-mongodb/src/main/java/org/springframework/boot/sample/data/mongo/SampleMongoApplication.java
+++ b/spring-boot-samples/spring-boot-sample-data-mongodb/src/main/java/org/springframework/boot/sample/data/mongo/SampleMongoApplication.java
@@ -27,13 +27,13 @@ import org.springframework.context.annotation.Configuration;
 @EnableAutoConfiguration
 @ComponentScan
 public class SampleMongoApplication implements CommandLineRunner {
-	
+
 	@Autowired
 	private CustomerRepository repository;
 
 	@Override
 	public void run(String... args) throws Exception {
-		
+
 		repository.deleteAll();
 
 		// save a couple of customers
diff --git a/spring-boot-samples/spring-boot-sample-data-mongodb/src/test/java/org/springframework/boot/sample/data/mongo/SampleMongoApplicationTests.java b/spring-boot-samples/spring-boot-sample-data-mongodb/src/test/java/org/springframework/boot/sample/data/mongo/SampleMongoApplicationTests.java
index e2e893ff47..2963fc212e 100644
--- a/spring-boot-samples/spring-boot-sample-data-mongodb/src/test/java/org/springframework/boot/sample/data/mongo/SampleMongoApplicationTests.java
+++ b/spring-boot-samples/spring-boot-sample-data-mongodb/src/test/java/org/springframework/boot/sample/data/mongo/SampleMongoApplicationTests.java
@@ -27,14 +27,14 @@ import org.springframework.core.NestedCheckedException;
 
 /**
  * Tests for {@link SampleMongoApplication}.
- * 
+ *
  * @author Dave Syer
  */
 public class SampleMongoApplicationTests {
 
 	@Rule
 	public OutputCapture outputCapture = new OutputCapture();
-	
+
 	@Test
 	public void testDefaultSettings() throws Exception {
 		try {