diff --git a/backend/internal/api/hydration.go b/backend/internal/api/hydration.go
index 80e36a9..b09c6bb 100644
--- a/backend/internal/api/hydration.go
+++ b/backend/internal/api/hydration.go
@@ -1023,6 +1023,7 @@ func hydrateCollectionItemsWithData(database *db.DB, items []db.CollectionItem,
 					b := APIBookmark{
 						ID:          n.URI,
 						Type:        "Bookmark",
+						Motivation:  "bookmarking",
 						Author:      profiles[n.AuthorDID],
 						Source:      n.TargetSource,
 						Title:       title,
diff --git a/backend/internal/api/notes.go b/backend/internal/api/notes.go
index 6b4abbc..576131e 100644
--- a/backend/internal/api/notes.go
+++ b/backend/internal/api/notes.go
@@ -51,6 +51,7 @@ type NoteIndexDB interface {
 	SaveEditHistory(uri, recordType, previousContent string, previousCID *string) error
 	HashURL(rawURL string) string
 	CommunityBookmarkExists(authorDID, targetHash, tagsJSON string) (bool, error)
+	GetCommunityBookmarkURI(authorDID, targetHash string) (string, error)
 }
 
 type dbAdapter struct{ d *db.DB }
@@ -130,6 +131,9 @@ func (a *dbAdapter) HashURL(rawURL string) string { return db.HashURL(rawURL) }
 func (a *dbAdapter) CommunityBookmarkExists(did, hash, tags string) (bool, error) {
 	return a.d.CommunityBookmarkExists(did, hash, tags)
 }
+func (a *dbAdapter) GetCommunityBookmarkURI(did, hash string) (string, error) {
+	return a.d.GetCommunityBookmarkURI(did, hash)
+}
 
 type NoteWriteService struct {
 	db        NoteIndexDB
@@ -1126,13 +1130,16 @@ func (s *NoteWriteService) DeleteBookmark(w http.ResponseWriter, r *http.Request
 
 	did := session.DID
 	collection := xrpc.CollectionNote
+	var targetHash string
 	for _, col := range []string{xrpc.CollectionNote, xrpc.CollectionBookmark, xrpc.CollectionCommunityBookmark} {
 		uri := "at://" + did + "/" + col + "/" + rkey
 		if note, dbErr := s.db.GetNoteByURI(uri); dbErr == nil && note != nil {
 			collection = col
+			targetHash = note.TargetHash
 			break
-		} else if _, dbErr := s.db.GetBookmarkByURI(uri); dbErr == nil {
+		} else if bm, dbErr := s.db.GetBookmarkByURI(uri); dbErr == nil && bm != nil {
 			collection = col
+			targetHash = bm.SourceHash
 			break
 		}
 	}
@@ -1148,6 +1155,19 @@ func (s *NoteWriteService) DeleteBookmark(w http.ResponseWriter, r *http.Request
 	s.db.DeleteBookmark(uri)
 	s.db.DeleteNote(uri)
 
+	if collection != xrpc.CollectionCommunityBookmark && targetHash != "" {
+		if communityURI, err := s.db.GetCommunityBookmarkURI(did, targetHash); err == nil && communityURI != "" {
+			parts := strings.Split(communityURI, "/")
+			if len(parts) == 5 {
+				communityRkey := parts[4]
+				_ = s.refresher.ExecuteWithAutoRefresh(r, session, func(client *xrpc.Client, did string) error {
+					return client.DeleteRecord(r.Context(), did, xrpc.CollectionCommunityBookmark, communityRkey)
+				})
+			}
+			s.db.DeleteNote(communityURI)
+		}
+	}
+
 	WriteSuccess(w, map[string]bool{"success": true})
 }
 
diff --git a/backend/internal/db/queries_notes.go b/backend/internal/db/queries_notes.go
index 2e23cac..54958b6 100644
--- a/backend/internal/db/queries_notes.go
+++ b/backend/internal/db/queries_notes.go
@@ -75,6 +75,21 @@ func (db *DB) MarginNoteBookmarkExists(authorDID, targetHash string) (bool, erro
 	return true, nil
 }
 
+func (db *DB) GetCommunityBookmarkURI(authorDID, targetHash string) (string, error) {
+	var uri string
+	err := db.QueryRow(`
+		SELECT uri FROM notes
+		WHERE author_did = $1
+		  AND target_hash = $2
+		  AND uri LIKE 'at://%/community.lexicon.bookmarks.bookmark/%'
+		LIMIT 1
+	`, authorDID, targetHash).Scan(&uri)
+	if err == sql.ErrNoRows {
+		return "", nil
+	}
+	return uri, err
+}
+
 func (db *DB) CommunityBookmarkExists(authorDID, targetHash, tagsJSON string) (bool, error) {
 	query := `
 		SELECT 1 FROM notes