diff --git a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/system/ApplicationPidFileWriter.java b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/system/ApplicationPidFileWriter.java
index 42baf60a97..9c65846fb5 100644
--- a/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/system/ApplicationPidFileWriter.java
+++ b/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/system/ApplicationPidFileWriter.java
@@ -190,7 +190,7 @@ public class ApplicationPidFileWriter implements
 	/**
 	 * Provides access to a property value.
 	 */
-	private static interface Property {
+	private interface Property {
 
 		String getValue(SpringApplicationEvent event);