diff --git a/cozy/ui/library_view.py b/cozy/ui/library_view.py
index 3e530919..b97f0261 100644
--- a/cozy/ui/library_view.py
+++ b/cozy/ui/library_view.py
@@ -1,14 +1,13 @@
 import functools
 from typing import Optional
 
-from gi.repository import Gtk, Adw
-from gi.repository.Gtk import Builder
+from gi.repository import Adw, Gtk
 
 from cozy.ext import inject
 from cozy.ui.widgets.book_element import BookElement
 from cozy.ui.delete_book_view import DeleteBookView
 from cozy.ui.widgets.filter_list_box import FilterListBox
-from cozy.view_model.library_view_model import LibraryViewModel, LibraryViewMode, LibraryPage
+from cozy.view_model.library_view_model import LibraryViewModel, LibraryViewMode
 
 READER_PAGE = "reader"
 AUTHOR_PAGE = "author"
@@ -23,7 +22,7 @@
 class LibraryView:
     _view_model: LibraryViewModel = inject.attr(LibraryViewModel)
 
-    def __init__(self, builder: Builder):
+    def __init__(self, builder: Gtk.Builder):
         self._builder = builder
         self._connected_book_element: Optional[BookElement] = None
 
diff --git a/cozy/view_model/library_view_model.py b/cozy/view_model/library_view_model.py
index eac3280a..71079633 100644
--- a/cozy/view_model/library_view_model.py
+++ b/cozy/view_model/library_view_model.py
@@ -3,8 +3,6 @@
 from enum import Enum, auto
 from typing import Optional
 
-from gi.repository import Gtk
-
 import cozy.ext.inject as inject
 from cozy.application_settings import ApplicationSettings
 from cozy.architecture.event_sender import EventSender
@@ -31,12 +29,6 @@ class LibraryViewMode(Enum):
     READER = auto()
 
 
-class LibraryPage(Enum):
-    NONE = auto()
-    FILTER = auto()
-    BOOKS = auto()
-
-
 class LibraryViewModel(Observable, EventSender):
     _application_settings: ApplicationSettings = inject.attr(ApplicationSettings)
     _fs_monitor: FilesystemMonitor = inject.attr("FilesystemMonitor")