diff --git a/src/main/scala/service/RepositoryService.scala b/src/main/scala/service/RepositoryService.scala
index 546d0bf0a..abbd5bfe7 100644
--- a/src/main/scala/service/RepositoryService.scala
+++ b/src/main/scala/service/RepositoryService.scala
@@ -34,6 +34,7 @@ trait RepositoryService { self: AccountService =>
   }
 
   def deleteRepository(userName: String, repositoryName: String): Unit = {
+    Activities    .filter(_.byRepository(userName, repositoryName)).delete
     Collaborators .filter(_.byRepository(userName, repositoryName)).delete
     IssueLabels   .filter(_.byRepository(userName, repositoryName)).delete
     Labels        .filter(_.byRepository(userName, repositoryName)).delete