diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/CookieSerializerCustomizer.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/DefaultCookieSerializerCustomizer.java
similarity index 89%
rename from spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/CookieSerializerCustomizer.java
rename to spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/DefaultCookieSerializerCustomizer.java
index 85cfeeac766..197d81cc9e8 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/CookieSerializerCustomizer.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/DefaultCookieSerializerCustomizer.java
@@ -26,11 +26,11 @@ import org.springframework.session.web.http.DefaultCookieSerializer;
  * @since 2.3.0
  */
 @FunctionalInterface
-public interface CookieSerializerCustomizer {
+public interface DefaultCookieSerializerCustomizer {
 
 	/**
 	 * Customize the cookie serializer.
-	 * @param cookieSerializer the {@code CookieSerializer} to customize
+	 * @param cookieSerializer the {@code DefaultCookieSerializer} to customize
 	 */
 	void customize(DefaultCookieSerializer cookieSerializer);
 
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java
index ecd71a18f80..c78735fab8d 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/session/SessionAutoConfiguration.java
@@ -91,7 +91,7 @@ public class SessionAutoConfiguration {
 		@Bean
 		@Conditional(DefaultCookieSerializerCondition.class)
 		DefaultCookieSerializer cookieSerializer(ServerProperties serverProperties,
-				ObjectProvider<CookieSerializerCustomizer> cookieSerializerCustomizers) {
+				ObjectProvider<DefaultCookieSerializerCustomizer> cookieSerializerCustomizers) {
 			Cookie cookie = serverProperties.getServlet().getSession().getCookie();
 			DefaultCookieSerializer cookieSerializer = new DefaultCookieSerializer();
 			PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
@@ -110,7 +110,7 @@ public class SessionAutoConfiguration {
 		static class RememberMeServicesConfiguration {
 
 			@Bean
-			CookieSerializerCustomizer rememberMeServicesCookieSerializerCustomizer() {
+			DefaultCookieSerializerCustomizer rememberMeServicesCookieSerializerCustomizer() {
 				return (cookieSerializer) -> cookieSerializer
 						.setRememberMeRequestAttribute(SpringSessionRememberMeServices.REMEMBER_ME_LOGIN_ATTR);
 			}
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationTests.java
index 53785e30896..6e2c7cffe15 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationTests.java
@@ -294,19 +294,19 @@ class SessionAutoConfigurationTests extends AbstractSessionAutoConfigurationTest
 	@EnableSpringHttpSession
 	static class CookieSerializerCustomization extends SessionRepositoryConfiguration {
 
-		private final CookieSerializerCustomizer customizer1 = mock(CookieSerializerCustomizer.class);
+		private final DefaultCookieSerializerCustomizer customizer1 = mock(DefaultCookieSerializerCustomizer.class);
 
-		private final CookieSerializerCustomizer customizer2 = mock(CookieSerializerCustomizer.class);
+		private final DefaultCookieSerializerCustomizer customizer2 = mock(DefaultCookieSerializerCustomizer.class);
 
 		@Bean
 		@Order(1)
-		CookieSerializerCustomizer customizer1() {
+		DefaultCookieSerializerCustomizer customizer1() {
 			return this.customizer1;
 		}
 
 		@Bean
 		@Order(2)
-		CookieSerializerCustomizer customizer2() {
+		DefaultCookieSerializerCustomizer customizer2() {
 			return this.customizer2;
 		}