diff --git a/web/src/main/java/org/springframework/security/web/WebAttributes.java b/web/src/main/java/org/springframework/security/web/WebAttributes.java
index 5343657b9b..4b4ff38247 100644
--- a/web/src/main/java/org/springframework/security/web/WebAttributes.java
+++ b/web/src/main/java/org/springframework/security/web/WebAttributes.java
@@ -20,5 +20,4 @@ public final class WebAttributes {
     * @see org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler
     */
     public static final String AUTHENTICATION_EXCEPTION = "SPRING_SECURITY_LAST_EXCEPTION";
-    public static final String LAST_USERNAME = "SPRING_SECURITY_LAST_USERNAME";
 }