diff --git a/spring-beans/src/main/java/org/springframework/beans/factory/generator/AotContributingBeanFactoryPostProcessor.java b/spring-beans/src/main/java/org/springframework/beans/factory/generator/AotContributingBeanFactoryPostProcessor.java
index 6da36afb9d5..ff2d5a0a531 100644
--- a/spring-beans/src/main/java/org/springframework/beans/factory/generator/AotContributingBeanFactoryPostProcessor.java
+++ b/spring-beans/src/main/java/org/springframework/beans/factory/generator/AotContributingBeanFactoryPostProcessor.java
@@ -29,7 +29,6 @@ import org.springframework.lang.Nullable;
  * @author Stephane Nicoll
  * @since 6.0
  */
-@FunctionalInterface
 public interface AotContributingBeanFactoryPostProcessor extends BeanFactoryPostProcessor {
 
 	/**
diff --git a/spring-context/src/test/java/org/springframework/context/generator/ApplicationContextAotGeneratorTests.java b/spring-context/src/test/java/org/springframework/context/generator/ApplicationContextAotGeneratorTests.java
index 38574ef707c..38c18c76c39 100644
--- a/spring-context/src/test/java/org/springframework/context/generator/ApplicationContextAotGeneratorTests.java
+++ b/spring-context/src/test/java/org/springframework/context/generator/ApplicationContextAotGeneratorTests.java
@@ -92,7 +92,7 @@ class ApplicationContextAotGeneratorTests {
 			assertThat(aotContext.getBeanDefinitionNames()).containsOnly("autowiredComponent", "number");
 			AutowiredComponent bean = aotContext.getBean(AutowiredComponent.class);
 			assertThat(bean.getEnvironment()).isSameAs(aotContext.getEnvironment());
-			assertThat(bean.getCounter()).isEqualTo(42L);
+			assertThat(bean.getCounter()).isEqualTo(42);
 		}));
 	}