diff --git a/config/src/main/java/org/springframework/security/config/annotation/SecurityConfigurerAdapter.java b/config/src/main/java/org/springframework/security/config/annotation/SecurityConfigurerAdapter.java
index a68dd2c409..49fa1d41a8 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/SecurityConfigurerAdapter.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/SecurityConfigurerAdapter.java
@@ -134,7 +134,7 @@ public abstract class SecurityConfigurerAdapter<O, B extends SecurityBuilder<O>>
 		private boolean addObjectPostProcessor(
 				ObjectPostProcessor<? extends Object> objectPostProcessor) {
 			boolean result = this.postProcessors.add(objectPostProcessor);
-			Collections.sort(postProcessors, AnnotationAwareOrderComparator.INSTANCE);
+			postProcessors.sort(AnnotationAwareOrderComparator.INSTANCE);
 			return result;
 		}
 	}
diff --git a/config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/AuthenticationConfiguration.java b/config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/AuthenticationConfiguration.java
index 56e0ecfd67..002f4fb6b1 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/AuthenticationConfiguration.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/AuthenticationConfiguration.java
@@ -129,7 +129,7 @@ public class AuthenticationConfiguration {
 	@Autowired(required = false)
 	public void setGlobalAuthenticationConfigurers(
 			List<GlobalAuthenticationConfigurerAdapter> configurers) throws Exception {
-		Collections.sort(configurers, AnnotationAwareOrderComparator.INSTANCE);
+		configurers.sort(AnnotationAwareOrderComparator.INSTANCE);
 		this.globalAuthConfigurers = configurers;
 	}
 
diff --git a/config/src/main/java/org/springframework/security/config/annotation/web/builders/HttpSecurity.java b/config/src/main/java/org/springframework/security/config/annotation/web/builders/HttpSecurity.java
index 69bc3ab70c..66d6db4721 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/web/builders/HttpSecurity.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/web/builders/HttpSecurity.java
@@ -2327,7 +2327,7 @@ public final class HttpSecurity extends
 
 	@Override
 	protected DefaultSecurityFilterChain performBuild() throws Exception {
-		Collections.sort(filters, comparator);
+		filters.sort(comparator);
 		return new DefaultSecurityFilterChain(requestMatcher, filters);
 	}
 
diff --git a/config/src/main/java/org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.java b/config/src/main/java/org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.java
index 028da2aecd..cccae55887 100644
--- a/config/src/main/java/org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.java
+++ b/config/src/main/java/org/springframework/security/config/annotation/web/configuration/WebSecurityConfiguration.java
@@ -139,7 +139,7 @@ public class WebSecurityConfiguration implements ImportAware, BeanClassLoaderAwa
 			webSecurity.debug(debugEnabled);
 		}
 
-		Collections.sort(webSecurityConfigurers, AnnotationAwareOrderComparator.INSTANCE);
+		webSecurityConfigurers.sort(AnnotationAwareOrderComparator.INSTANCE);
 
 		Integer previousOrder = null;
 		Object previousConfig = null;
diff --git a/config/src/main/java/org/springframework/security/config/http/HttpSecurityBeanDefinitionParser.java b/config/src/main/java/org/springframework/security/config/http/HttpSecurityBeanDefinitionParser.java
index 9506d3089b..1c2859d370 100644
--- a/config/src/main/java/org/springframework/security/config/http/HttpSecurityBeanDefinitionParser.java
+++ b/config/src/main/java/org/springframework/security/config/http/HttpSecurityBeanDefinitionParser.java
@@ -164,7 +164,7 @@ public class HttpSecurityBeanDefinitionParser implements BeanDefinitionParser {
 		unorderedFilterChain.addAll(authBldr.getFilters());
 		unorderedFilterChain.addAll(buildCustomFilterList(element, pc));
 
-		Collections.sort(unorderedFilterChain, new OrderComparator());
+		unorderedFilterChain.sort(new OrderComparator());
 		checkFilterChainOrder(unorderedFilterChain, pc, pc.extractSource(element));
 
 		// The list of filter beans