diff --git a/models/submissions.model b/models/submissions.model
index e8ea0d049..c29e0373f 100644
--- a/models/submissions.model
+++ b/models/submissions.model
@@ -23,12 +23,9 @@ SubmissionUser                    -- which submission belongs to whom
     UniqueSubmissionUser user submission -- multiple users may share same submission, in case of (ad-hoc) submission groups
 SubmissionGroup                   -- pre-defined submission groups; some courses only allow pre-defined submission groups
     course          CourseId
-    name            Text Maybe
-SubmissionGroupEdit               -- who edited a submissionGroup when?
-    user            UserId
-    time            UTCTime
-    submissionGroup SubmissionGroupId
+    name            SubmissionGroupName
+    UniqueSubmissionGroup course name
 SubmissionGroupUser              -- Registered submission groups, just for checking upon submission, but independent of actual SubmissionUser
     submissionGroup     SubmissionGroupId
     user                UserId
-    UniqueSubmissionGroupUser submissionGroup   user
+    UniqueSubmissionGroupUser submissionGroup user
diff --git a/src/Handler/Profile.hs b/src/Handler/Profile.hs
index 2b605d3db..e10aadab4 100644
--- a/src/Handler/Profile.hs
+++ b/src/Handler/Profile.hs
@@ -592,18 +592,11 @@ mkSubmissionGroupTable =
                     , course E.^. CourseSchool
                     , course E.^. CourseShorthand
                     )
-        return (crse, sgroup, lastSGEdit sgroup)
+        return (crse, sgroup)
       dbtRowKey (_ `E.InnerJoin` sgroup `E.InnerJoin` _) = sgroup E.^. SubmissionGroupId
 
-      lastSGEdit sgroup = -- latest Edit-Time of this Submission Group by a user
-        E.subSelectMaybe . E.from $ \(user `E.InnerJoin` sgEdit) -> do
-          E.on $ user E.^. UserId E.==. sgEdit E.^. SubmissionGroupEditUser
-          E.where_ $ sgEdit E.^. SubmissionGroupEditSubmissionGroup E.==. sgroup E.^. SubmissionGroupId
-          return . E.max_ $ sgEdit E.^. SubmissionGroupEditTime
-
       dbtProj x = return $ x
-        & _dbrOutput . _1 %~ (\(E.Value tid, E.Value ssh, E.Value csh) -> (tid,ssh,csh))
-        & _dbrOutput . _3 %~ E.unValue
+        & _dbrOutput . _1 %~ $(E.unValueN 3)
 
       dbtColonnade = mconcat
         [ sortable (Just "term") (i18nCell MsgTerm) $
@@ -614,21 +607,15 @@ mkSubmissionGroupTable =
         , sortable (Just "course") (i18nCell MsgCourse) $
             courseCellCL <$> view (_dbrOutput . _1)
         , sortable (Just "submissiongroup") (i18nCell MsgSubmissionGroupName) . magnify (_dbrOutput . _2 . _entityVal) $
-            maybe mempty textCell <$> view _submissionGroupName
-        , sortable (Just "edit") (i18nCell MsgLastEdit) $
-            maybe mempty dateTimeCell <$> view (_dbrOutput . _3)
+            cell . views _submissionGroupName toWidget
         ]
 
-      validator = def -- DUPLICATED CODE: Handler.Corrections
-        & restrictFilter  (\name _ -> name /= "corrector") -- We need to be careful to restrict allowed sorting/filter to not expose sensitive information
-        & restrictSorting (\name _ -> name /= "corrector")
-        & defaultSorting [SortDescBy "edit"]
+      validator = def & defaultSorting [SortDescBy "term", SortAscBy "school", SortAscBy "course"]
       dbtSorting = Map.fromList
         [ ( "course", SortColumn $ withType $ \(crse `E.InnerJoin` _ `E.InnerJoin` _ ) -> crse E.^. CourseShorthand)
         , ( "term"  , SortColumn $ withType $ \(crse `E.InnerJoin` _ `E.InnerJoin` _ ) -> crse E.^. CourseTerm     )
         , ( "school", SortColumn $ withType $ \(crse `E.InnerJoin` _ `E.InnerJoin` _ ) -> crse E.^. CourseSchool   )
         , ( "submissiongroup" , SortColumn $ withType $ \(_ `E.InnerJoin` sgroup `E.InnerJoin` _) -> sgroup E.^. SubmissionGroupName )
-        , ( "edit"  , SortColumn $ withType $ \(_ `E.InnerJoin` sgroup `E.InnerJoin` _ ) -> lastSGEdit sgroup)
         ]
       dbtFilter = Map.fromList
         [ ( "course", FilterColumn $ withType $ \(crse `E.InnerJoin` _ `E.InnerJoin` _) -> emptyOrIn $ crse E.^. CourseShorthand)
diff --git a/src/Model/Migration.hs b/src/Model/Migration.hs
index 85aca846e..547fd3580 100644
--- a/src/Model/Migration.hs
+++ b/src/Model/Migration.hs
@@ -632,6 +632,13 @@ customMigrations = Map.fromListWith (>>)
     , whenM (tableExists "allocation_matching") $
         tableDropEmpty "allocation_matching"
     )
+  , ( AppliedMigrationKey [migrationVersion|34.0.0|] [version|35.0.0|]
+    , do
+        whenM (tableExists "submission_group") $
+          tableDropEmpty "submission_group"
+        whenM (tableExists "submission_group_edit") $
+          tableDropEmpty "submission_group_edit"
+    )
   ]
 
 
diff --git a/src/Model/Types/Common.hs b/src/Model/Types/Common.hs
index 54d6d5b00..692b939b7 100644
--- a/src/Model/Types/Common.hs
+++ b/src/Model/Types/Common.hs
@@ -47,6 +47,8 @@ type ExamOccurrenceName      = CI Text
 type AllocationName          = CI Text
 type AllocationShorthand     = CI Text
 
+type SubmissionGroupName     = CI Text
+
 type PWHashAlgorithm         = ByteString -> PWStore.Salt -> Int -> ByteString
 type InstanceId              = UUID
 type ClusterId               = UUID