diff --git a/pigx-boot/src/main/java/com/pig4cloud/pigx/bootstrap/PigxBootSecurityServerConfiguration.java b/pigx-boot/src/main/java/com/pig4cloud/pigx/bootstrap/PigxBootSecurityServerConfiguration.java
index 4d49b283f..d8464d91f 100644
--- a/pigx-boot/src/main/java/com/pig4cloud/pigx/bootstrap/PigxBootSecurityServerConfiguration.java
+++ b/pigx-boot/src/main/java/com/pig4cloud/pigx/bootstrap/PigxBootSecurityServerConfiguration.java
@@ -36,7 +36,6 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
 import org.springframework.security.authentication.AuthenticationManager;
-import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
 import org.springframework.security.config.annotation.web.configurers.HeadersConfigurer;