diff --git a/pysollib/games/__init__.py b/pysollib/games/__init__.py
index 9808036a..12247f4c 100644
--- a/pysollib/games/__init__.py
+++ b/pysollib/games/__init__.py
@@ -20,67 +20,67 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # ---------------------------------------------------------------------------##
-from . import acesup
-from . import algerian
-from . import auldlangsyne
-from . import bakersdozen
-from . import bakersgame
-from . import beleagueredcastle
-from . import bisley
-from . import braid
-from . import bristol
-from . import buffalobill
-from . import calculation
-from . import camelot
-from . import canfield
-from . import capricieuse
-from . import curdsandwhey
-from . import daddylonglegs
-from . import dieboesesieben
-from . import diplomat
-from . import doublets
-from . import eiffeltower
-from . import fan
-from . import fortythieves
-from . import freecell
-from . import glenwood
-from . import golf
-from . import grandduchess
-from . import grandfathersclock
-from . import gypsy
-from . import harp
-from . import headsandtails
-from . import katzenschwanz
-from . import klondike
-from . import labyrinth
-from . import larasgame
-from . import matriarchy
-from . import montana
-from . import montecarlo
-from . import napoleon
-from . import needle
-from . import numerica
-from . import osmosis
-from . import parallels
-from . import pasdedeux
-from . import picturegallery
-from . import pileon
-from . import pushpin
-from . import pyramid
-from . import royalcotillion
-from . import royaleast
-from . import sanibel
-from . import siebenbisas
-from . import simplex
-from . import spider
-from . import sthelena
-from . import sultan
-from . import takeaway
-from . import terrace
-from . import threepeaks
-from . import tournament
-from . import unionsquare
-from . import wavemotion
-from . import windmill
-from . import yukon
-from . import zodiac
+from . import acesup  # noqa: F401
+from . import algerian  # noqa: F401
+from . import auldlangsyne  # noqa: F401
+from . import bakersdozen  # noqa: F401
+from . import bakersgame  # noqa: F401
+from . import beleagueredcastle  # noqa: F401
+from . import bisley  # noqa: F401
+from . import braid  # noqa: F401
+from . import bristol  # noqa: F401
+from . import buffalobill  # noqa: F401
+from . import calculation  # noqa: F401
+from . import camelot  # noqa: F401
+from . import canfield  # noqa: F401
+from . import capricieuse  # noqa: F401
+from . import curdsandwhey  # noqa: F401
+from . import daddylonglegs  # noqa: F401
+from . import dieboesesieben  # noqa: F401
+from . import diplomat  # noqa: F401
+from . import doublets  # noqa: F401
+from . import eiffeltower  # noqa: F401
+from . import fan  # noqa: F401
+from . import fortythieves  # noqa: F401
+from . import freecell  # noqa: F401
+from . import glenwood  # noqa: F401
+from . import golf  # noqa: F401
+from . import grandduchess  # noqa: F401
+from . import grandfathersclock  # noqa: F401
+from . import gypsy  # noqa: F401
+from . import harp  # noqa: F401
+from . import headsandtails  # noqa: F401
+from . import katzenschwanz  # noqa: F401
+from . import klondike  # noqa: F401
+from . import labyrinth  # noqa: F401
+from . import larasgame  # noqa: F401
+from . import matriarchy  # noqa: F401
+from . import montana  # noqa: F401
+from . import montecarlo  # noqa: F401
+from . import napoleon  # noqa: F401
+from . import needle  # noqa: F401
+from . import numerica  # noqa: F401
+from . import osmosis  # noqa: F401
+from . import parallels  # noqa: F401
+from . import pasdedeux  # noqa: F401
+from . import picturegallery  # noqa: F401
+from . import pileon  # noqa: F401
+from . import pushpin  # noqa: F401
+from . import pyramid  # noqa: F401
+from . import royalcotillion  # noqa: F401
+from . import royaleast  # noqa: F401
+from . import sanibel  # noqa: F401
+from . import siebenbisas  # noqa: F401
+from . import simplex  # noqa: F401
+from . import spider  # noqa: F401
+from . import sthelena  # noqa: F401
+from . import sultan  # noqa: F401
+from . import takeaway  # noqa: F401
+from . import terrace  # noqa: F401
+from . import threepeaks  # noqa: F401
+from . import tournament  # noqa: F401
+from . import unionsquare  # noqa: F401
+from . import wavemotion  # noqa: F401
+from . import windmill  # noqa: F401
+from . import yukon  # noqa: F401
+from . import zodiac  # noqa: F401
diff --git a/pysollib/games/mahjongg/__init__.py b/pysollib/games/mahjongg/__init__.py
index deb59cbe..713a4fed 100644
--- a/pysollib/games/mahjongg/__init__.py
+++ b/pysollib/games/mahjongg/__init__.py
@@ -20,7 +20,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # ---------------------------------------------------------------------------##
-from . import mahjongg1
-from . import mahjongg2
-from . import mahjongg3
-from . import shisensho
+from . import mahjongg1  # noqa: F401
+from . import mahjongg2  # noqa: F401
+from . import mahjongg3  # noqa: F401
+from . import shisensho  # noqa: F401
diff --git a/pysollib/games/special/__init__.py b/pysollib/games/special/__init__.py
index aca4f6d4..06c32274 100644
--- a/pysollib/games/special/__init__.py
+++ b/pysollib/games/special/__init__.py
@@ -20,11 +20,12 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # ---------------------------------------------------------------------------##
-from . import hanoi
-from . import memory
-from . import pegged
-from . import poker
-from . import tarock
+from . import hanoi  # noqa: F401
+from . import memory  # noqa: F401
+from . import pegged  # noqa: F401
+from . import poker  # noqa: F401
+from . import tarock  # noqa: F401
+
 
 def no_use():
     pass
diff --git a/pysollib/games/ultra/__init__.py b/pysollib/games/ultra/__init__.py
index bbc8747a..f4f130de 100644
--- a/pysollib/games/ultra/__init__.py
+++ b/pysollib/games/ultra/__init__.py
@@ -20,11 +20,11 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # ---------------------------------------------------------------------------##
-from . import dashavatara
-from . import hanafuda
-from . import hanafuda1
-from . import hexadeck
-from . import larasgame
-from . import matrix
-from . import mughal
-from . import tarock
+from . import dashavatara  # noqa: F401
+from . import hanafuda  # noqa: F401
+from . import hanafuda1  # noqa: F401
+from . import hexadeck  # noqa: F401
+from . import larasgame  # noqa: F401
+from . import matrix  # noqa: F401
+from . import mughal  # noqa: F401
+from . import tarock  # noqa: F401
diff --git a/tests/style/py-flake8.t b/tests/style/py-flake8.t
index 9bb0c742..5bca436e 100644
--- a/tests/style/py-flake8.t
+++ b/tests/style/py-flake8.t
@@ -21,10 +21,6 @@ else
 my %skip = (
     map { $_ => 1 }
         qw(
-        pysollib/games/__init__.py
-        pysollib/games/mahjongg/__init__.py
-        pysollib/games/special/__init__.py
-        pysollib/games/ultra/__init__.py
         )
 );