diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/main/java/com/alibaba/cloud/sentinel/SentinelProperties.java b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/main/java/com/alibaba/cloud/sentinel/SentinelProperties.java
index d9ecc770e..d347faf5e 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/main/java/com/alibaba/cloud/sentinel/SentinelProperties.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/main/java/com/alibaba/cloud/sentinel/SentinelProperties.java
@@ -30,7 +30,6 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.DeprecatedConfigurationProperty;
 import org.springframework.core.Ordered;
 import org.springframework.util.StringUtils;
-import org.springframework.validation.annotation.Validated;
 
 /**
  * {@link ConfigurationProperties} for Sentinel.