diff --git a/spring-context/src/main/java/org/springframework/context/support/PostProcessorRegistrationDelegate.java b/spring-context/src/main/java/org/springframework/context/support/PostProcessorRegistrationDelegate.java
index 2d992a8393..c82cce2710 100644
--- a/spring-context/src/main/java/org/springframework/context/support/PostProcessorRegistrationDelegate.java
+++ b/spring-context/src/main/java/org/springframework/context/support/PostProcessorRegistrationDelegate.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -166,7 +166,7 @@ final class PostProcessorRegistrationDelegate {
 		invokeBeanFactoryPostProcessors(priorityOrderedPostProcessors, beanFactory);
 
 		// Next, invoke the BeanFactoryPostProcessors that implement Ordered.
-		List<BeanFactoryPostProcessor> orderedPostProcessors = new ArrayList<>();
+		List<BeanFactoryPostProcessor> orderedPostProcessors = new ArrayList<>(orderedPostProcessorNames.size());
 		for (String postProcessorName : orderedPostProcessorNames) {
 			orderedPostProcessors.add(beanFactory.getBean(postProcessorName, BeanFactoryPostProcessor.class));
 		}
@@ -174,7 +174,7 @@ final class PostProcessorRegistrationDelegate {
 		invokeBeanFactoryPostProcessors(orderedPostProcessors, beanFactory);
 
 		// Finally, invoke all other BeanFactoryPostProcessors.
-		List<BeanFactoryPostProcessor> nonOrderedPostProcessors = new ArrayList<>();
+		List<BeanFactoryPostProcessor> nonOrderedPostProcessors = new ArrayList<>(nonOrderedPostProcessorNames.size());
 		for (String postProcessorName : nonOrderedPostProcessorNames) {
 			nonOrderedPostProcessors.add(beanFactory.getBean(postProcessorName, BeanFactoryPostProcessor.class));
 		}
@@ -223,7 +223,7 @@ final class PostProcessorRegistrationDelegate {
 		registerBeanPostProcessors(beanFactory, priorityOrderedPostProcessors);
 
 		// Next, register the BeanPostProcessors that implement Ordered.
-		List<BeanPostProcessor> orderedPostProcessors = new ArrayList<>();
+		List<BeanPostProcessor> orderedPostProcessors = new ArrayList<>(orderedPostProcessorNames.size());
 		for (String ppName : orderedPostProcessorNames) {
 			BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);
 			orderedPostProcessors.add(pp);
@@ -235,7 +235,7 @@ final class PostProcessorRegistrationDelegate {
 		registerBeanPostProcessors(beanFactory, orderedPostProcessors);
 
 		// Now, register all regular BeanPostProcessors.
-		List<BeanPostProcessor> nonOrderedPostProcessors = new ArrayList<>();
+		List<BeanPostProcessor> nonOrderedPostProcessors = new ArrayList<>(nonOrderedPostProcessorNames.size());
 		for (String ppName : nonOrderedPostProcessorNames) {
 			BeanPostProcessor pp = beanFactory.getBean(ppName, BeanPostProcessor.class);
 			nonOrderedPostProcessors.add(pp);