diff --git a/src/main/java/de/ids_mannheim/korap/entity/UserGroup.java b/src/main/java/de/ids_mannheim/korap/entity/UserGroup.java
index 4bb17fe..f5522c2 100644
--- a/src/main/java/de/ids_mannheim/korap/entity/UserGroup.java
+++ b/src/main/java/de/ids_mannheim/korap/entity/UserGroup.java
@@ -45,8 +45,6 @@
     private String description;
     @Column(name = "created_by")
     private String createdBy;
-    @Column(name = "deleted_by")
-    private String deletedBy;
     @Column(name = "created_date")
     private ZonedDateTime createdDate;
 
diff --git a/src/main/java/de/ids_mannheim/korap/entity/UserGroupMember.java b/src/main/java/de/ids_mannheim/korap/entity/UserGroupMember.java
index e1cc3e5..4030fc9 100644
--- a/src/main/java/de/ids_mannheim/korap/entity/UserGroupMember.java
+++ b/src/main/java/de/ids_mannheim/korap/entity/UserGroupMember.java
@@ -47,8 +47,6 @@
     private String userId;
     @Column(name = "created_by")
     private String createdBy;
-    @Column(name = "deleted_by")
-    private String deletedBy;
 
     // auto update in the database
     @Column(name = "status_date")
@@ -74,7 +72,7 @@
     @Override
     public String toString () {
         return "id=" + id + ", group= " + group + ", userId= " + userId
-                + ", createdBy= " + createdBy + ", deletedBy= " + deletedBy
+                + ", createdBy= " + createdBy 
                 + ", roles=" + roles;
     }
 }
diff --git a/src/main/resources/db/sqlite/V1.13__user_group_alteration.sql b/src/main/resources/db/sqlite/V1.13__user_group_alteration.sql
index f977c4e..84daff6 100644
--- a/src/main/resources/db/sqlite/V1.13__user_group_alteration.sql
+++ b/src/main/resources/db/sqlite/V1.13__user_group_alteration.sql
@@ -6,19 +6,19 @@
 -- please commented out the triggers in V1.2__triggers.sql later
 --DROP TRIGGER IF EXISTS insert_member_status;
 --DROP TRIGGER IF EXISTS update_member_status;
---DROP TRIGGER IF EXISTS delete_member;
+DROP TRIGGER IF EXISTS delete_member;
 
---ALTER TABLE user_group
---DROP COLUMN deleted_by;
---
+ALTER TABLE user_group
+DROP COLUMN deleted_by;
+
 ALTER TABLE user_group
 ADD COLUMN created_date TIMESTAMP;
 --
 --ALTER TABLE user_group_member
 --DROP COLUMN created_by;
 --
---ALTER TABLE user_group_member
---DROP COLUMN deleted_by;
+ALTER TABLE user_group_member
+DROP COLUMN deleted_by;
 --
 --ALTER TABLE user_group_member
 --DROP COLUMN status;