diff --git a/src/application.py b/src/application.py
index 1019bab..710c28f 100644
--- a/src/application.py
+++ b/src/application.py
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-import sys
-import gi
 
 from gi.repository import Adw, Gtk, Gio
 
diff --git a/src/card_edit_view.py b/src/card_edit_view.py
index f74bc95..93e618b 100644
--- a/src/card_edit_view.py
+++ b/src/card_edit_view.py
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from gi.repository import Adw, Gtk
+from gi.repository import Gtk
 
 @Gtk.Template(resource_path='/io/github/fkinoshita/FlashCards/ui/card_edit_view.ui')
 class CardEditView(Gtk.Box):
diff --git a/src/main.py b/src/main.py
index 2daaacb..85b1de8 100644
--- a/src/main.py
+++ b/src/main.py
@@ -5,8 +5,6 @@
 
 gi.require_version('Gtk', '4.0')
 gi.require_version('Adw', '1')
-
-from gi.repository import Adw, Gtk, Gio
 from .application import Application
 
 
diff --git a/src/shared.py b/src/shared.py
index f211d43..215ceb9 100644
--- a/src/shared.py
+++ b/src/shared.py
@@ -3,7 +3,7 @@
 import os
 from pathlib import Path
 
-from gi.repository import Gdk, Gio
+from gi.repository import Gio
 
 schema = Gio.Settings.new("io.github.fkinoshita.FlashCards")