diff --git a/net/server/internal/notify.go b/net/server/internal/notify.go
index 19465e21..7cea16ee 100644
--- a/net/server/internal/notify.go
+++ b/net/server/internal/notify.go
@@ -112,64 +112,10 @@ func SetProfileNotification(account *store.Account) {
   }
 }
 
-// notify single card of profile revision
-func SetContactProfileNotification(account *store.Account, card *store.Card) {
-
-  if card.Status != APP_CARDCONNECTED {
-    return
-  }
-
-  // add new notification for card
-  notification := &store.Notification{
-    Node: card.Node,
-    Module: APP_NOTIFYPROFILE,
-    Token: card.OutToken,
-    Revision: account.ProfileRevision,
-  }
-
-  if res := store.DB.Save(notification).Error; res != nil {
-    ErrMsg(res)
-  } else {
-    notify <- notification
-  }
-}
-
-
-// notify all cards of content change
-// account.Content incremented by adding, updating, removing article & setting or clearning group or label from article
-func SetContentNotification(account *store.Account) {
-
-  // select all connected cards
-  var cards []store.Card
-  if err := store.DB.Where("account_id = ? AND status = ?", account.Guid, APP_CARDCONNECTED).Find(&cards).Error; err != nil {
-    ErrMsg(err)
-    return
-  }
-
-  // add new notification for each card
-  err := store.DB.Transaction(func(tx *gorm.DB) error {
-    for _, card := range cards {
-      notification := &store.Notification{
-        Node: card.Node,
-        Module: APP_NOTIFYARTICLE,
-        Token: card.OutToken,
-        Revision: account.ArticleRevision,
-      }
-      if err := tx.Save(notification).Error; err != nil {
-        return err
-      }
-      notify <- notification
-    }
-    return nil
-  })
-  if err != nil {
-    ErrMsg(err)
-  }
-}
-
-// notify single card of content change
-// card.View incremented by adding or removing card from group or label
-func SetContactContentNotification(account *store.Account, card *store.Card) {
+// notify single card of article change: 
+// for each card of groups in updated artcile data
+// for each card of group set or cleared from article (does not update data)
+func SetContactArticleNotification(account *store.Account, card *store.Card) {
 
   if card.Status != APP_CARDCONNECTED {
     return
@@ -190,41 +136,9 @@ func SetContactContentNotification(account *store.Account, card *store.Card) {
   }
 }
 
-
-// notify all cards of view change
-// account.View incremented by removing a group or label or adding or removing a group from a label
-func SetViewNotification(account *store.Account) {
-
-  // select all connected cards
-  var cards []store.Card
-  if err := store.DB.Where("account_id = ? AND status = ?", account.Guid, APP_CARDCONNECTED).Find(&cards).Error; err != nil {
-    ErrMsg(err)
-    return
-  }
-
-  // add new notification for each card
-  err := store.DB.Transaction(func(tx *gorm.DB) error {
-    for _, card := range cards {
-      notification := &store.Notification{
-        Node: card.Node,
-        Module: APP_NOTIFYVIEW,
-        Token: card.OutToken,
-        Revision: card.ViewRevision,
-      }
-      if err := tx.Save(notification).Error; err != nil {
-        return err
-      }
-      notify <- notification
-    }
-    return nil
-  })
-  if err != nil {
-    ErrMsg(err)
-  }
-}
-
-// notify single card of content change
-// card.View incremented by adding or removing card from group or label
+// notify single card of view change: 
+// card set or cleared from a group
+// for each card in deleted group
 func SetContactViewNotification(account *store.Account, card *store.Card) {
 
   if card.Status != APP_CARDCONNECTED {
@@ -246,42 +160,10 @@ func SetContactViewNotification(account *store.Account, card *store.Card) {
   }
 }
 
-
-// notify all cards of label change
-// account.Label incremented by adding, updating, removing a label & setting or clearning group from article
-func SetLabelNotification(account *store.Account) {
-
-  // select all connected cards
-  var cards []store.Card
-  if err := store.DB.Where("account_id = ? AND status = ?", account.Guid, APP_CARDCONNECTED).Find(&cards).Error; err != nil {
-    ErrMsg(err)
-    return
-  }
-
-  // add new notification for each card
-  err := store.DB.Transaction(func(tx *gorm.DB) error {
-    for _, card := range cards {
-      notification := &store.Notification{
-        Node: card.Node,
-        Module: APP_NOTIFYCHANNEL,
-        Token: card.OutToken,
-        Revision: account.ChannelRevision,
-      }
-      if err := tx.Save(notification).Error; err != nil {
-        return err
-      }
-      notify <- notification
-    }
-    return nil
-  })
-  if err != nil {
-    ErrMsg(err)
-  }
-}
-
-// notify single card of label change
-// card.Label incremented by adding or removing group from label
-func SetContactLabelNotification(account *store.Account, card *store.Card) {
+// notify single card of channel change:
+// for each card of groups in updated channel data
+// for each card of group set or cleared from channel (updates data)
+func SetContactChannelNotification(account *store.Account, card *store.Card) {
 
   if card.Status != APP_CARDCONNECTED {
     return
diff --git a/net/server/internal/ucUpdateProfile_test.go b/net/server/internal/ucUpdateProfile_test.go
index 5bea0d5e..0553dafb 100644
--- a/net/server/internal/ucUpdateProfile_test.go
+++ b/net/server/internal/ucUpdateProfile_test.go
@@ -25,13 +25,11 @@ func TestUpdateProfile(t *testing.T) {
   // reset revision
   bCardRev = GetTestRevision(set.B.Revisions).Card
   cCardRev = GetTestRevision(set.C.Revisions).Card
-
   param["cardId"] = set.B.A.CardId
   assert.NoError(t, SendEndpointTest(GetCard, "GET", "/contact/cards/{cardId}",
     &param, nil,
     APP_TOKENAPP, set.B.Token, &card, nil))
   bProfileRev = card.Data.NotifiedProfile
-
   param["cardId"] = set.C.A.CardId
   assert.NoError(t, SendEndpointTest(GetCard, "GET", "/contact/cards/{cardId}",
     &param, nil,
@@ -48,9 +46,11 @@ func TestUpdateProfile(t *testing.T) {
     nil, profileData,
     APP_TOKENAPP, set.A.Token, nil, nil))
 
+  // recv websocket event
   assert.NotEqual(t, bCardRev, GetTestRevision(set.B.Revisions).Card)
   assert.NotEqual(t, cCardRev, GetTestRevision(set.C.Revisions).Card)
 
+  // check B notified
   param["cardId"] = set.B.A.CardId
   assert.NoError(t, SendEndpointTest(GetCard, "GET", "/contact/cards/{cardId}",
     &param, nil,
@@ -58,6 +58,7 @@ func TestUpdateProfile(t *testing.T) {
   assert.NotEqual(t, bProfileRev, card.Data.NotifiedProfile)
   assert.NotEqual(t, card.Data.ProfileRevision, card.Data.NotifiedProfile)
 
+  // check C notified
   param["cardId"] = set.C.A.CardId
   assert.NoError(t, SendEndpointTest(GetCard, "GET", "/contact/cards/{cardId}",
     &param, nil,
@@ -65,7 +66,7 @@ func TestUpdateProfile(t *testing.T) {
   assert.NotEqual(t, cProfileRev, card.Data.NotifiedProfile)
   assert.NotEqual(t, card.Data.ProfileRevision, card.Data.NotifiedProfile)
 
-  // update profile
+  // sync profile
   assert.NoError(t, SendEndpointTest(GetProfileMessage, "GET", "/profile/message",
     nil, nil,
     APP_TOKENCONTACT, set.B.A.Token, &msg, nil))
@@ -76,7 +77,7 @@ func TestUpdateProfile(t *testing.T) {
   assert.Equal(t, card.Data.ProfileRevision, card.Data.NotifiedProfile)
   assert.Equal(t, card.Data.CardProfile.Name, "Namer")
 
-  // update profile
+  // sync profile
   assert.NoError(t, SendEndpointTest(GetProfileMessage, "GET", "/profile/message",
     nil, nil,
     APP_TOKENCONTACT, set.C.A.Token, &msg, nil))
@@ -87,6 +88,9 @@ func TestUpdateProfile(t *testing.T) {
   assert.Equal(t, card.Data.ProfileRevision, card.Data.NotifiedProfile)
   assert.Equal(t, card.Data.CardProfile.Name, "Namer")
 
+  // TODO set image
+  // "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"
 
+  // TODO retrieve image
 
 }