diff --git a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/beanconditions/MyAutoConfiguration.java b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/beanconditions/MyAutoConfiguration.java
index b3e22a1c3d1d..e09f04b4d165 100644
--- a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/beanconditions/MyAutoConfiguration.java
+++ b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/beanconditions/MyAutoConfiguration.java
@@ -21,11 +21,11 @@
 import org.springframework.context.annotation.Bean;
 
 @AutoConfiguration
-public class MyAutoConfiguration {
+public final class MyAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
-	public SomeService someService() {
+	SomeService someService() {
 		return new SomeService();
 	}
 
diff --git a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/classconditions/MyAutoConfiguration.java b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/classconditions/MyAutoConfiguration.java
index ae61232a9441..895e7cce92f1 100644
--- a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/classconditions/MyAutoConfiguration.java
+++ b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/conditionannotations/classconditions/MyAutoConfiguration.java
@@ -24,7 +24,7 @@
 
 @AutoConfiguration
 // Some conditions ...
-public class MyAutoConfiguration {
+public final class MyAutoConfiguration {
 
 	// Auto-configured beans ...
 
diff --git a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/testing/MyServiceAutoConfiguration.java b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/testing/MyServiceAutoConfiguration.java
index 39a7b4c4925b..142b9547e329 100644
--- a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/testing/MyServiceAutoConfiguration.java
+++ b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/developingautoconfiguration/testing/MyServiceAutoConfiguration.java
@@ -27,11 +27,11 @@
 @AutoConfiguration
 @ConditionalOnClass(MyService.class)
 @EnableConfigurationProperties(UserProperties.class)
-public class MyServiceAutoConfiguration {
+public final class MyServiceAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
-	public MyService userService(UserProperties properties) {
+	MyService userService(UserProperties properties) {
 		return new MyService(properties.getName());
 	}