diff --git a/src/main/java/org/olat/course/nodes/projectbroker/service/ProjectGroupManagerImpl.java b/src/main/java/org/olat/course/nodes/projectbroker/service/ProjectGroupManagerImpl.java
index c0b003efa0210f77f5f24ceed0d743aa35b8c4f2..4b6f9d4b0a506ee451cd3527904132e51a40adc6 100644
--- a/src/main/java/org/olat/course/nodes/projectbroker/service/ProjectGroupManagerImpl.java
+++ b/src/main/java/org/olat/course/nodes/projectbroker/service/ProjectGroupManagerImpl.java
@@ -44,7 +44,6 @@ import org.olat.course.ICourse;
 import org.olat.course.nodes.CourseNode;
 import org.olat.course.nodes.ProjectBrokerCourseNode;
 import org.olat.course.nodes.projectbroker.datamodel.Project;
-import org.olat.course.nodes.projectbroker.datamodel.ProjectEvent;
 import org.olat.course.properties.CoursePropertyManager;
 import org.olat.course.run.environment.CourseEnvironment;
 import org.olat.group.BusinessGroup;