diff --git a/core/src/main/java/jenkins/model/details/CauseDetail.java b/core/src/main/java/jenkins/model/details/CauseDetail.java
index bbf8443a4fd8..f6a50d1b924d 100644
--- a/core/src/main/java/jenkins/model/details/CauseDetail.java
+++ b/core/src/main/java/jenkins/model/details/CauseDetail.java
@@ -4,7 +4,6 @@
 import hudson.model.CauseAction;
 import hudson.model.Run;
 import java.util.Map;
-import jenkins.model.Detail;
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.NoExternalUse;