diff --git a/pysollib/tile/solverdialog.py b/pysollib/tile/solverdialog.py
index 7bb8ac3f..72a627dc 100644
--- a/pysollib/tile/solverdialog.py
+++ b/pysollib/tile/solverdialog.py
@@ -39,7 +39,6 @@ from pysollib.settings import TITLE
 from pysollib.mfxutil import KwStruct
 
 # Toolkit imports
-from pysollib.ui.tktile.tkconst import EVENT_HANDLED
 from tkwidget import MfxDialog
 from tkwidget import PysolCombo
 from pysollib.ui.tktile.solverdialog import BaseSolverDialog, solver_dialog, connect_game_solver_dialog, destroy_solver_dialog, reset_solver_dialog
diff --git a/pysollib/tk/solverdialog.py b/pysollib/tk/solverdialog.py
index fc3f933f..0d2842eb 100644
--- a/pysollib/tk/solverdialog.py
+++ b/pysollib/tk/solverdialog.py
@@ -38,7 +38,6 @@ from pysollib.settings import TITLE
 from pysollib.mfxutil import KwStruct
 
 # Toolkit imports
-from pysollib.ui.tktile.tkconst import EVENT_HANDLED
 from tkwidget import MfxDialog
 from pysollib.ui.tktile.solverdialog import BaseSolverDialog, solver_dialog, connect_game_solver_dialog, destroy_solver_dialog, reset_solver_dialog
 
diff --git a/pysollib/ui/tktile/solverdialog.py b/pysollib/ui/tktile/solverdialog.py
index cefa344b..5189c6f9 100644
--- a/pysollib/ui/tktile/solverdialog.py
+++ b/pysollib/ui/tktile/solverdialog.py
@@ -1,3 +1,6 @@
+from pysollib.mygettext import _, n_
+from pysollib.ui.tktile.tkconst import EVENT_HANDLED
+
 class BaseSolverDialog:
 
     def mDone(self, button):