diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/SecurityProperties.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/SecurityProperties.java
index e84faa7bc453..aa2b859c5a81 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/SecurityProperties.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/SecurityProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplicationShutdownHook.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplicationShutdownHook.java
index debde8af7a59..23073df5144d 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplicationShutdownHook.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplicationShutdownHook.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -95,12 +95,8 @@ void addRuntimeShutdownHook() {
 
 	void deregisterFailedApplicationContext(ConfigurableApplicationContext applicationContext) {
 		synchronized (SpringApplicationShutdownHook.class) {
-			if (!applicationContext.isActive()) {
-				SpringApplicationShutdownHook.this.contexts.remove(applicationContext);
-			}
-			else {
-				throw new IllegalStateException("Cannot unregister active application context");
-			}
+			Assert.state(!applicationContext.isActive(), "Cannot unregister active application context");
+			SpringApplicationShutdownHook.this.contexts.remove(applicationContext);
 		}
 	}
 
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/DefaultValue.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/DefaultValue.java
index d17eb605eecc..257b37514c96 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/DefaultValue.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/DefaultValue.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.