diff --git a/.flake8 b/.flake8
index 14224a97843..9985b8e5a42 100644
--- a/.flake8
+++ b/.flake8
@@ -15,11 +15,10 @@ per-file-ignores =
     # E501 line too long
     # E722 do not use bare 'except'
     # W605 invalid escape sequence
-    # F401 imported but unused
     # F821 undefined name 'unicode'
     # F841 local variable assigned to but never used
     # E741 ambiguous variable name 'l'
-    __init__.py: F401, F403
+    __init__.py: F403
     man/build_html.py: E501
     doc/python/m.distance.py: E501
     gui/scripts/d.wms.py: E501
@@ -66,10 +65,8 @@ per-file-ignores =
     python/grass/pygrass/vector/__init__.py: E402
     python/grass/pygrass/raster/__init__.py: E402
     python/grass/pygrass/vector/__init__.py: E402
-    python/grass/pygrass/modules/interface/*.py: F401
-    python/grass/pygrass/modules/grid/*.py: F401
     python/grass/pygrass/raster/category.py: E721
-    python/grass/pygrass/rpc/__init__.py: F401, F403
+    python/grass/pygrass/rpc/__init__.py: F403
     python/grass/pygrass/utils.py: E402
     python/grass/temporal/abstract_space_time_dataset.py: E722
     python/grass/temporal/c_libraries_interface.py: E722
@@ -82,17 +79,16 @@ per-file-ignores =
     python/grass/temporal/temporal_topology_dataset_connector.py: E722
     # Current benchmarks/tests are changing sys.path before import.
     # Possibly, a different approach should be taken there anyway.
-    python/grass/pygrass/tests/benchmark.py: E402, F401, F821
+    python/grass/pygrass/tests/benchmark.py: E402, F821
     # Configuration file for Sphinx:
     # Ignoring import/code mix and line length.
     # Files not managed by Black
     python/grass/imaging/images2gif.py: E226
     # Unused imports in init files
-    # F401 imported but unused
     # F403 star import used; unable to detect undefined names
     python/grass/*/__init__.py: F401, F403
-    python/grass/*/*/__init__.py: F401, F403
-    python/grass/*/*/*/__init__.py: F401, F403
+    python/grass/*/*/__init__.py: F403
+    python/grass/*/*/*/__init__.py: F403
     # E402 module level import not at top of file
     scripts/r.in.wms/wms_gdal_drv.py: E722
     scripts/r.in.wms/wms_drv.py: E402, E722
diff --git a/doc/notebooks/hydrology.ipynb b/doc/notebooks/hydrology.ipynb
index b9e23acf3c1..f5c853de9a2 100644
--- a/doc/notebooks/hydrology.ipynb
+++ b/doc/notebooks/hydrology.ipynb
@@ -25,7 +25,6 @@
    "outputs": [],
    "source": [
     "# Import Python standard library and IPython packages we need.\n",
-    "import os\n",
     "import subprocess\n",
     "import sys\n",
     "import csv\n",
diff --git a/doc/notebooks/jupyter_tutorial.ipynb b/doc/notebooks/jupyter_tutorial.ipynb
index 71852c226e6..6dfdfb63625 100644
--- a/doc/notebooks/jupyter_tutorial.ipynb
+++ b/doc/notebooks/jupyter_tutorial.ipynb
@@ -30,7 +30,6 @@
    "source": [
     "# Import Python standard library and IPython packages we need.\n",
     "import subprocess\n",
-    "import time\n",
     "import sys\n",
     "\n",
     "# Ask GRASS GIS where its Python packages are.\n",
diff --git a/doc/notebooks/parallelization_tutorial.ipynb b/doc/notebooks/parallelization_tutorial.ipynb
index 2c5d902e9a4..4611f5d1c24 100644
--- a/doc/notebooks/parallelization_tutorial.ipynb
+++ b/doc/notebooks/parallelization_tutorial.ipynb
@@ -21,7 +21,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import os\n",
     "import subprocess\n",
     "import sys\n",
     "\n",
diff --git a/doc/notebooks/solar_potential.ipynb b/doc/notebooks/solar_potential.ipynb
index 98253ad6450..07da1af77e2 100644
--- a/doc/notebooks/solar_potential.ipynb
+++ b/doc/notebooks/solar_potential.ipynb
@@ -28,7 +28,6 @@
    "outputs": [],
    "source": [
     "# Import Python standard library and IPython packages we need.\n",
-    "import os\n",
     "import subprocess\n",
     "import sys\n",
     "\n",
diff --git a/doc/notebooks/viewshed_analysis.ipynb b/doc/notebooks/viewshed_analysis.ipynb
index a4f0b61744a..5cfe69c4dae 100644
--- a/doc/notebooks/viewshed_analysis.ipynb
+++ b/doc/notebooks/viewshed_analysis.ipynb
@@ -30,7 +30,6 @@
    "outputs": [],
    "source": [
     "# Import Python standard library and IPython packages we need.\n",
-    "import os\n",
     "import subprocess\n",
     "import sys\n",
     "\n",
diff --git a/lib/gis/testsuite/test_gis_lib_getl.py b/lib/gis/testsuite/test_gis_lib_getl.py
index 98092955ab2..72e8992ad39 100644
--- a/lib/gis/testsuite/test_gis_lib_getl.py
+++ b/lib/gis/testsuite/test_gis_lib_getl.py
@@ -5,7 +5,6 @@
 
 import ctypes
 import pathlib
-import platform
 import unittest
 
 import grass.lib.gis as libgis
diff --git a/pyproject.toml b/pyproject.toml
index 4b7856bab3b..a428c79106f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -131,7 +131,6 @@ ignore = [
     "E722",    # bare-except
     "E731",    # lambda-assignment
     "E741",    # ambiguous-variable-name
-    "F401",    # unused-import
     "F403",    # undefined-local-with-import-star
     "F405",    # undefined-local-with-import-star-usage
     "F811",    # redefined-while-unused
@@ -319,7 +318,9 @@ ignore = [
 "python/grass/jupyter/testsuite/map_test.py" = ["PGH004"]
 "python/grass/pydispatch/signal.py" = ["A005"]
 "python/grass/pygrass/modules/grid/grid.py" = ["SIM115"]
+"python/grass/pygrass/modules/grid/testsuite/test_*_modules_grid_doctests.py" = ["F401"]
 "python/grass/pygrass/modules/interface/env.py" = ["SIM115"]
+"python/grass/pygrass/modules/testsuite/test_pygrass_modules_doctests.py" = ["F401"]
 "python/grass/pygrass/raster/segment.py" = ["SIM115"]
 "python/grass/pygrass/tests/*.py" = ["SIM115"]
 "python/grass/pygrass/vector/geometry.py" = ["PYI024"]
diff --git a/python/grass/benchmark/__init__.py b/python/grass/benchmark/__init__.py
index a4a7bf4e991..62a6a85c3e1 100644
--- a/python/grass/benchmark/__init__.py
+++ b/python/grass/benchmark/__init__.py
@@ -34,3 +34,17 @@
     save_results_to_file,
 )
 from .runners import benchmark_nprocs, benchmark_resolutions, benchmark_single
+
+__all__ = [
+    "benchmark_nprocs",
+    "benchmark_resolutions",
+    "benchmark_single",
+    "join_results",
+    "join_results_from_files",
+    "load_results",
+    "load_results_from_file",
+    "nprocs_plot",
+    "num_cells_plot",
+    "save_results",
+    "save_results_to_file",
+]
diff --git a/python/grass/imaging/__init__.py b/python/grass/imaging/__init__.py
index 41626697f8e..7434942abe0 100644
--- a/python/grass/imaging/__init__.py
+++ b/python/grass/imaging/__init__.py
@@ -1,4 +1,15 @@
-from grass.imaging.images2gif import readGif, writeGif
-from grass.imaging.images2swf import readSwf, writeSwf
 from grass.imaging.images2avi import readAvi, writeAvi
+from grass.imaging.images2gif import readGif, writeGif
 from grass.imaging.images2ims import readIms, writeIms
+from grass.imaging.images2swf import readSwf, writeSwf
+
+__all__ = [
+    "readAvi",
+    "readGif",
+    "readIms",
+    "readSwf",
+    "writeAvi",
+    "writeGif",
+    "writeIms",
+    "writeSwf",
+]
diff --git a/python/grass/jupyter/__init__.py b/python/grass/jupyter/__init__.py
index 91457f07ac3..21223c2cd47 100644
--- a/python/grass/jupyter/__init__.py
+++ b/python/grass/jupyter/__init__.py
@@ -109,6 +109,17 @@
 from .interactivemap import InteractiveMap, Raster, Vector
 from .map import Map
 from .map3d import Map3D
+from .seriesmap import SeriesMap
 from .setup import init
 from .timeseriesmap import TimeSeriesMap
-from .seriesmap import SeriesMap
+
+__all__ = [
+    "InteractiveMap",
+    "Map",
+    "Map3D",
+    "Raster",
+    "SeriesMap",
+    "TimeSeriesMap",
+    "Vector",
+    "init",
+]
diff --git a/python/grass/pygrass/modules/__init__.py b/python/grass/pygrass/modules/__init__.py
index 61073791599..ce4d169fedd 100644
--- a/python/grass/pygrass/modules/__init__.py
+++ b/python/grass/pygrass/modules/__init__.py
@@ -1,2 +1,9 @@
-from grass.pygrass.modules.interface import Module, MultiModule, ParallelModuleQueue
 from grass.pygrass.modules import shortcuts
+from grass.pygrass.modules.interface import Module, MultiModule, ParallelModuleQueue
+
+__all__ = [
+    "Module",
+    "MultiModule",
+    "ParallelModuleQueue",
+    "shortcuts",
+]
diff --git a/python/grass/pygrass/modules/grid/__init__.py b/python/grass/pygrass/modules/grid/__init__.py
index 1c971174998..0d770ed3ad2 100644
--- a/python/grass/pygrass/modules/grid/__init__.py
+++ b/python/grass/pygrass/modules/grid/__init__.py
@@ -1 +1,3 @@
 from grass.pygrass.modules.grid.grid import GridModule
+
+__all__ = ["GridModule"]
diff --git a/python/grass/pygrass/modules/interface/__init__.py b/python/grass/pygrass/modules/interface/__init__.py
index a05211e21c3..bde59049c6e 100644
--- a/python/grass/pygrass/modules/interface/__init__.py
+++ b/python/grass/pygrass/modules/interface/__init__.py
@@ -4,14 +4,20 @@
 @author: pietro
 """
 
-from grass.pygrass.modules.interface import flag
-from grass.pygrass.modules.interface import parameter
-from grass.pygrass.modules.interface import module
-from grass.pygrass.modules.interface import typedict
-from grass.pygrass.modules.interface import read
-
+from grass.pygrass.modules.interface import flag, module, parameter, read, typedict
 from grass.pygrass.modules.interface.module import (
     Module,
     MultiModule,
     ParallelModuleQueue,
 )
+
+__all__ = [
+    "Module",
+    "MultiModule",
+    "ParallelModuleQueue",
+    "flag",
+    "module",
+    "parameter",
+    "read",
+    "typedict",
+]
diff --git a/python/grass/pygrass/modules/testsuite/test_import_isolation.py b/python/grass/pygrass/modules/testsuite/test_import_isolation.py
index d1321a554d0..af643ec2fee 100644
--- a/python/grass/pygrass/modules/testsuite/test_import_isolation.py
+++ b/python/grass/pygrass/modules/testsuite/test_import_isolation.py
@@ -36,14 +36,17 @@ def test_import_isolation(self):
             isolate, check(*self.patterns), msg="Test isolation before any import."
         )
         # same import done in __init__ file
-        from grass.pygrass.modules.interface import Module, ParallelModuleQueue
-        from grass.pygrass.modules import shortcuts
+        from grass.pygrass.modules.interface import (
+            Module,  # noqa: F401
+            ParallelModuleQueue,  # noqa: F401
+        )
+        from grass.pygrass.modules import shortcuts  # noqa: F401
 
         self.assertEqual(
             isolate, check(*self.patterns), msg="Test isolation after import Module."
         )
         # test the other way round
-        from grass.pygrass.vector import VectorTopo
+        from grass.pygrass.vector import VectorTopo  # noqa: F401
 
         self.assertNotEqual(
             isolate,
diff --git a/python/grass/pygrass/rpc/__init__.py b/python/grass/pygrass/rpc/__init__.py
index 07cbfe6503a..a6ab19b9369 100644
--- a/python/grass/pygrass/rpc/__init__.py
+++ b/python/grass/pygrass/rpc/__init__.py
@@ -10,8 +10,6 @@
 :authors: Soeren Gebbert
 """
 
-import time
-import threading
 import sys
 from multiprocessing import Process, Lock, Pipe
 from ctypes import CFUNCTYPE, c_void_p
@@ -24,7 +22,6 @@
 from .base import RPCServerBase
 from grass.pygrass.gis.region import Region
 from grass.pygrass import utils
-import logging
 
 ###############################################################################
 ###############################################################################
diff --git a/python/grass/pygrass/vector/testsuite/test_filters.py b/python/grass/pygrass/vector/testsuite/test_filters.py
index 9252b134c02..9adba4cdefc 100644
--- a/python/grass/pygrass/vector/testsuite/test_filters.py
+++ b/python/grass/pygrass/vector/testsuite/test_filters.py
@@ -6,7 +6,6 @@
 
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-
 from grass.pygrass.vector.table import Filters
 
 
diff --git a/python/grass/pygrass/vector/testsuite/test_geometry.py b/python/grass/pygrass/vector/testsuite/test_geometry.py
index b2a7a1e37df..6957a473165 100644
--- a/python/grass/pygrass/vector/testsuite/test_geometry.py
+++ b/python/grass/pygrass/vector/testsuite/test_geometry.py
@@ -6,18 +6,15 @@
 
 import sys
 import unittest
+
 import numpy as np
 
+import grass.lib.vector as libvect
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-
-import grass.lib.vector as libvect
-from grass.script.core import run_command
-
-from grass.pygrass.vector import Vector, VectorTopo
-from grass.pygrass.vector.geometry import Point, Line, Node
-from grass.pygrass.vector.geometry import Area, Boundary, Centroid
+from grass.pygrass.vector import VectorTopo
 from grass.pygrass.vector.basic import Bbox
+from grass.pygrass.vector.geometry import Area, Line, Node, Point
 
 
 class PointTestCase(TestCase):
diff --git a/python/grass/pygrass/vector/testsuite/test_geometry_attrs.py b/python/grass/pygrass/vector/testsuite/test_geometry_attrs.py
index 356a55ec4d7..cba638b1901 100644
--- a/python/grass/pygrass/vector/testsuite/test_geometry_attrs.py
+++ b/python/grass/pygrass/vector/testsuite/test_geometry_attrs.py
@@ -4,16 +4,8 @@
 @author: pietro
 """
 
-import sys
-import unittest
-import numpy as np
-
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-
-import grass.lib.vector as libvect
-from grass.script.core import run_command
-
 from grass.pygrass.vector import VectorTopo
 
 
diff --git a/python/grass/pygrass/vector/testsuite/test_pygrass_vector_doctests.py b/python/grass/pygrass/vector/testsuite/test_pygrass_vector_doctests.py
index b3d26220ec1..2cf0d0ba0c5 100644
--- a/python/grass/pygrass/vector/testsuite/test_pygrass_vector_doctests.py
+++ b/python/grass/pygrass/vector/testsuite/test_pygrass_vector_doctests.py
@@ -7,10 +7,7 @@
 import grass.gunittest.case
 import grass.gunittest.main
 import grass.gunittest.utils
-
 import grass.pygrass.vector as gvector
-import grass.pygrass.utils as gutils
-
 
 # doctest does not allow changing the base classes of test case, skip test case
 # and test suite, so we need to create a new type which inherits from our class
diff --git a/python/grass/pygrass/vector/testsuite/test_table.py b/python/grass/pygrass/vector/testsuite/test_table.py
index d87786fb3bd..c77233400b1 100644
--- a/python/grass/pygrass/vector/testsuite/test_table.py
+++ b/python/grass/pygrass/vector/testsuite/test_table.py
@@ -7,16 +7,15 @@
 import os
 import sqlite3
 import tempfile as tmp
-from string import ascii_letters, digits
 from random import choice
+from string import ascii_letters, digits
+
 import numpy as np
 
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-
 from grass.pygrass.vector.table import Table, get_path
 
-
 # dictionary that generate random data
 RNG = np.random.default_rng()
 COL2VALS = {
diff --git a/python/grass/pygrass/vector/testsuite/test_vector.py b/python/grass/pygrass/vector/testsuite/test_vector.py
index 5d16333c31f..b4eebb2ab1e 100644
--- a/python/grass/pygrass/vector/testsuite/test_vector.py
+++ b/python/grass/pygrass/vector/testsuite/test_vector.py
@@ -6,8 +6,6 @@
 
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-
-from grass.script.core import run_command
 from grass.pygrass.vector import VectorTopo
 
 
diff --git a/python/grass/pygrass/vector/testsuite/test_vector3d.py b/python/grass/pygrass/vector/testsuite/test_vector3d.py
index 796f85ca529..84e688d22e8 100644
--- a/python/grass/pygrass/vector/testsuite/test_vector3d.py
+++ b/python/grass/pygrass/vector/testsuite/test_vector3d.py
@@ -8,13 +8,9 @@
 
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-
-from grass.script.core import run_command
-
+from grass.pygrass.gis.region import Region
 from grass.pygrass.vector import VectorTopo
 from grass.pygrass.vector.geometry import Point
-from grass.pygrass.gis.region import Region
-from grass.pygrass.utils import get_mapset_vector
 
 
 def generate_coordinates(number, bbox=None, with_z=False):
diff --git a/python/grass/script/__init__.py b/python/grass/script/__init__.py
index 8589e8a1521..ea82c2fe451 100644
--- a/python/grass/script/__init__.py
+++ b/python/grass/script/__init__.py
@@ -7,4 +7,4 @@
 from .raster3d import *
 from .vector import *
 from .utils import *
-from . import setup
+from . import setup  # noqa: F401
diff --git a/python/grass/semantic_label/__init__.py b/python/grass/semantic_label/__init__.py
index 9f0b9b6caed..58bfe11a418 100644
--- a/python/grass/semantic_label/__init__.py
+++ b/python/grass/semantic_label/__init__.py
@@ -1 +1,3 @@
 from .reader import SemanticLabelReader, SemanticLabelReaderError
+
+__all__ = ["SemanticLabelReader", "SemanticLabelReaderError"]
diff --git a/python/grass/temporal/testsuite/unittests_temporal_algebra_grs.py b/python/grass/temporal/testsuite/unittests_temporal_algebra_grs.py
index 7e0db57a8ce..d7a81bcb34d 100644
--- a/python/grass/temporal/testsuite/unittests_temporal_algebra_grs.py
+++ b/python/grass/temporal/testsuite/unittests_temporal_algebra_grs.py
@@ -8,7 +8,6 @@
 """
 
 import datetime
-import os
 
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
diff --git a/python/grass/temporal/testsuite/unittests_temporal_algebra_mixed_stds.py b/python/grass/temporal/testsuite/unittests_temporal_algebra_mixed_stds.py
index cf0e9c82bb7..ce911839049 100644
--- a/python/grass/temporal/testsuite/unittests_temporal_algebra_mixed_stds.py
+++ b/python/grass/temporal/testsuite/unittests_temporal_algebra_mixed_stds.py
@@ -8,7 +8,6 @@
 """
 
 import datetime
-import os
 
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
diff --git a/python/grass/temporal/testsuite/unittests_temporal_conditionals.py b/python/grass/temporal/testsuite/unittests_temporal_conditionals.py
index ff0703aec1d..800c7d30bf6 100644
--- a/python/grass/temporal/testsuite/unittests_temporal_conditionals.py
+++ b/python/grass/temporal/testsuite/unittests_temporal_conditionals.py
@@ -8,7 +8,6 @@
 """
 
 import datetime
-import os
 
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
diff --git a/raster/r.in.ascii/testsuite/test_r_in_ascii.py b/raster/r.in.ascii/testsuite/test_r_in_ascii.py
index baa892d83a8..8db06f83517 100644
--- a/raster/r.in.ascii/testsuite/test_r_in_ascii.py
+++ b/raster/r.in.ascii/testsuite/test_r_in_ascii.py
@@ -11,7 +11,6 @@
 
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-from grass.script.core import read_command
 
 INPUT_NOQUOTES = """north:                   4299000.00
 south:                   4247000.00
diff --git a/raster/r.object.geometry/testsuite/test_r_object_geometry.py b/raster/r.object.geometry/testsuite/test_r_object_geometry.py
index 419df4d780b..279d46ae4f0 100644
--- a/raster/r.object.geometry/testsuite/test_r_object_geometry.py
+++ b/raster/r.object.geometry/testsuite/test_r_object_geometry.py
@@ -6,11 +6,9 @@
 
 import json
 import os
-from sys import stderr
 
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-from grass.gunittest.gmodules import call_module
 
 from grass.gunittest.gmodules import SimpleModule
 
diff --git a/raster/r.viewshed/testsuite/test_r_viewshed.py b/raster/r.viewshed/testsuite/test_r_viewshed.py
index 2b136abd551..a341d8e97b5 100644
--- a/raster/r.viewshed/testsuite/test_r_viewshed.py
+++ b/raster/r.viewshed/testsuite/test_r_viewshed.py
@@ -1,6 +1,5 @@
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
-from grass.gunittest.gmodules import call_module
 
 
 class TestViewshed(TestCase):
diff --git a/scripts/db.in.ogr/testsuite/test_db_in_ogr.py b/scripts/db.in.ogr/testsuite/test_db_in_ogr.py
index 423917e1b93..b79efa1f096 100644
--- a/scripts/db.in.ogr/testsuite/test_db_in_ogr.py
+++ b/scripts/db.in.ogr/testsuite/test_db_in_ogr.py
@@ -8,7 +8,6 @@
 from grass.gunittest.main import test
 from grass.gunittest.gmodules import SimpleModule
 
-from grass.script.core import run_command
 from grass.script.utils import decode
 
 import os
diff --git a/scripts/r.fillnulls/testsuite/test_r_fillnulls.py b/scripts/r.fillnulls/testsuite/test_r_fillnulls.py
index 975fd5330f2..dda6d99ed95 100644
--- a/scripts/r.fillnulls/testsuite/test_r_fillnulls.py
+++ b/scripts/r.fillnulls/testsuite/test_r_fillnulls.py
@@ -4,8 +4,6 @@
 @author: Sanjeet Bhatti
 """
 
-import os
-
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
 from grass.gunittest.gmodules import SimpleModule
diff --git a/scripts/r.grow/testsuite/test_r_grow.py b/scripts/r.grow/testsuite/test_r_grow.py
index 3d54b9ab993..1c9488b4180 100644
--- a/scripts/r.grow/testsuite/test_r_grow.py
+++ b/scripts/r.grow/testsuite/test_r_grow.py
@@ -7,7 +7,6 @@
 from grass.gunittest.case import TestCase
 from grass.gunittest.main import test
 from grass.gunittest.gmodules import SimpleModule
-from grass.script.core import run_command
 
 
 class TestRGrow(TestCase):
diff --git a/scripts/v.dissolve/v_dissolve.ipynb b/scripts/v.dissolve/v_dissolve.ipynb
index f90907a704d..085b23828d8 100644
--- a/scripts/v.dissolve/v_dissolve.ipynb
+++ b/scripts/v.dissolve/v_dissolve.ipynb
@@ -19,7 +19,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import os\n",
     "import json\n",
     "import subprocess\n",
     "import sys\n",
diff --git a/temporal/t.rast.accumulate/testsuite/test_accumulation.py b/temporal/t.rast.accumulate/testsuite/test_accumulation.py
index 566c1971f99..6c277c320cf 100644
--- a/temporal/t.rast.accumulate/testsuite/test_accumulation.py
+++ b/temporal/t.rast.accumulate/testsuite/test_accumulation.py
@@ -12,7 +12,6 @@
 
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestAccumulate(TestCase):
diff --git a/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute.py b/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute.py
index 924e3950ca8..e7702ba23b5 100644
--- a/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute.py
+++ b/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute.py
@@ -10,7 +10,6 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
diff --git a/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute_parallel.py b/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute_parallel.py
index 2b56dd30615..5ad25e2e32c 100644
--- a/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute_parallel.py
+++ b/temporal/t.rast.aggregate/testsuite/test_aggregation_absolute_parallel.py
@@ -11,7 +11,6 @@
 import os
 from datetime import datetime
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
diff --git a/temporal/t.rast.aggregate/testsuite/test_aggregation_relative.py b/temporal/t.rast.aggregate/testsuite/test_aggregation_relative.py
index 244b0d519d5..dc1da4c1cc3 100644
--- a/temporal/t.rast.aggregate/testsuite/test_aggregation_relative.py
+++ b/temporal/t.rast.aggregate/testsuite/test_aggregation_relative.py
@@ -10,7 +10,6 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
diff --git a/temporal/t.rast.algebra/testsuite/test_raster_algebra_operators.py b/temporal/t.rast.algebra/testsuite/test_raster_algebra_operators.py
index cf3d12a1aae..f07fabc9106 100644
--- a/temporal/t.rast.algebra/testsuite/test_raster_algebra_operators.py
+++ b/temporal/t.rast.algebra/testsuite/test_raster_algebra_operators.py
@@ -12,7 +12,6 @@
 
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 from grass.gunittest.main import test
 
 
diff --git a/temporal/t.rast.extract/testsuite/test_t_rast_extract.py b/temporal/t.rast.extract/testsuite/test_t_rast_extract.py
index ca3c1a4c1db..b9fff4753c2 100644
--- a/temporal/t.rast.extract/testsuite/test_t_rast_extract.py
+++ b/temporal/t.rast.extract/testsuite/test_t_rast_extract.py
@@ -8,9 +8,6 @@
 @author Soeren Gebbert
 """
 
-import subprocess
-
-import grass.pygrass.modules as pymod
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
 
diff --git a/temporal/t.rast.gapfill/testsuite/test_gapfill.py b/temporal/t.rast.gapfill/testsuite/test_gapfill.py
index 7b083617d08..bfc8f48f581 100644
--- a/temporal/t.rast.gapfill/testsuite/test_gapfill.py
+++ b/temporal/t.rast.gapfill/testsuite/test_gapfill.py
@@ -8,8 +8,6 @@
 @author Soeren Gebbert
 """
 
-import subprocess
-
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
 from grass.gunittest.utils import xfail_windows
diff --git a/temporal/t.rast.neighbors/testsuite/test_neighbors.py b/temporal/t.rast.neighbors/testsuite/test_neighbors.py
index 414b009fb1d..b48df4df169 100644
--- a/temporal/t.rast.neighbors/testsuite/test_neighbors.py
+++ b/temporal/t.rast.neighbors/testsuite/test_neighbors.py
@@ -5,6 +5,7 @@
 """
 
 import os
+
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
diff --git a/temporal/t.rast.series/testsuite/test_series.py b/temporal/t.rast.series/testsuite/test_series.py
index e936e10e0e7..97df7c048fc 100644
--- a/temporal/t.rast.series/testsuite/test_series.py
+++ b/temporal/t.rast.series/testsuite/test_series.py
@@ -10,7 +10,6 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
diff --git a/temporal/t.rast.to.rast3/testsuite/test_strds_to_rast3.py b/temporal/t.rast.to.rast3/testsuite/test_strds_to_rast3.py
index 3a6eb7d45cc..28853ecbff1 100644
--- a/temporal/t.rast.to.rast3/testsuite/test_strds_to_rast3.py
+++ b/temporal/t.rast.to.rast3/testsuite/test_strds_to_rast3.py
@@ -8,11 +8,7 @@
 @author Soeren Gebbert
 """
 
-import subprocess
-
-import grass.pygrass.modules as pymod
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestSTRDSToRast3(TestCase):
diff --git a/temporal/t.rast.to.vect/testsuite/test_to_vect.py b/temporal/t.rast.to.vect/testsuite/test_to_vect.py
index 2217b46a909..b429d8bf0dc 100644
--- a/temporal/t.rast.to.vect/testsuite/test_to_vect.py
+++ b/temporal/t.rast.to.vect/testsuite/test_to_vect.py
@@ -8,8 +8,6 @@
 @author Soeren Gebbert
 """
 
-import subprocess
-
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
 
diff --git a/temporal/t.rast.univar/testsuite/test_t_rast_univar.py b/temporal/t.rast.univar/testsuite/test_t_rast_univar.py
index 17831b9b5b9..83e5c2d6229 100644
--- a/temporal/t.rast.univar/testsuite/test_t_rast_univar.py
+++ b/temporal/t.rast.univar/testsuite/test_t_rast_univar.py
@@ -9,6 +9,7 @@
 """
 
 from pathlib import Path
+
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
 from grass.gunittest.utils import xfail_windows
diff --git a/temporal/t.rast3d.extract/testsuite/test_t_rast3d_extract.py b/temporal/t.rast3d.extract/testsuite/test_t_rast3d_extract.py
index 4f0d476e0e8..3ae010e8423 100644
--- a/temporal/t.rast3d.extract/testsuite/test_t_rast3d_extract.py
+++ b/temporal/t.rast3d.extract/testsuite/test_t_rast3d_extract.py
@@ -8,9 +8,6 @@
 :authors: Soeren Gebbert
 """
 
-import subprocess
-
-import grass.pygrass.modules as pymod
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
 
diff --git a/temporal/t.rast3d.univar/testsuite/test_t_rast3d_univar.py b/temporal/t.rast3d.univar/testsuite/test_t_rast3d_univar.py
index 4ca64e88442..21980921168 100644
--- a/temporal/t.rast3d.univar/testsuite/test_t_rast3d_univar.py
+++ b/temporal/t.rast3d.univar/testsuite/test_t_rast3d_univar.py
@@ -9,6 +9,7 @@
 """
 
 from pathlib import Path
+
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
 from grass.gunittest.utils import xfail_windows
diff --git a/temporal/t.shift/testsuite/test_shift.py b/temporal/t.shift/testsuite/test_shift.py
index ea28e165995..3d55b059b4c 100644
--- a/temporal/t.shift/testsuite/test_shift.py
+++ b/temporal/t.shift/testsuite/test_shift.py
@@ -10,10 +10,8 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestShiftAbsoluteSTRDS(TestCase):
diff --git a/temporal/t.snap/testsuite/test_snap.py b/temporal/t.snap/testsuite/test_snap.py
index 36a71c420bf..e46e25c454d 100644
--- a/temporal/t.snap/testsuite/test_snap.py
+++ b/temporal/t.snap/testsuite/test_snap.py
@@ -10,10 +10,8 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestSnapAbsoluteSTRDS(TestCase):
diff --git a/temporal/t.support/testsuite/test_support_str3ds.py b/temporal/t.support/testsuite/test_support_str3ds.py
index 928826dbd72..533a9649692 100644
--- a/temporal/t.support/testsuite/test_support_str3ds.py
+++ b/temporal/t.support/testsuite/test_support_str3ds.py
@@ -10,10 +10,8 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestSupportAbsoluteSTR3DS(TestCase):
diff --git a/temporal/t.support/testsuite/test_support_strds.py b/temporal/t.support/testsuite/test_support_strds.py
index f5e9ac3aa29..397a4a5e88d 100644
--- a/temporal/t.support/testsuite/test_support_strds.py
+++ b/temporal/t.support/testsuite/test_support_strds.py
@@ -10,10 +10,8 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestSupportAbsoluteSTRDS(TestCase):
diff --git a/temporal/t.support/testsuite/test_support_stvds.py b/temporal/t.support/testsuite/test_support_stvds.py
index 2b6e347dead..b7ecc1aee01 100644
--- a/temporal/t.support/testsuite/test_support_stvds.py
+++ b/temporal/t.support/testsuite/test_support_stvds.py
@@ -10,10 +10,8 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestSupportAbsoluteSTVDS(TestCase):
diff --git a/temporal/t.unregister/testsuite/test_unregister.py b/temporal/t.unregister/testsuite/test_unregister.py
index a32d33c1f32..b0102095e3d 100644
--- a/temporal/t.unregister/testsuite/test_unregister.py
+++ b/temporal/t.unregister/testsuite/test_unregister.py
@@ -10,7 +10,6 @@
 
 import os
 
-import grass.pygrass.modules as pymod
 import grass.temporal as tgis
 from grass.gunittest.case import TestCase
 from grass.gunittest.gmodules import SimpleModule
diff --git a/vector/v.extract/testsuite/test_v_extract.py b/vector/v.extract/testsuite/test_v_extract.py
index 958f153d1a3..c46505a5527 100644
--- a/vector/v.extract/testsuite/test_v_extract.py
+++ b/vector/v.extract/testsuite/test_v_extract.py
@@ -11,7 +11,6 @@
 
 import os
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 from grass.script.core import read_command
 
 TABLE_1 = """cat|MAJORRDS_|ROAD_NAME|MULTILANE|PROPYEAR|OBJECTID|SHAPE_LEN
diff --git a/vector/v.fill.holes/examples.ipynb b/vector/v.fill.holes/examples.ipynb
index fcc006501e4..a6b3ea746ce 100644
--- a/vector/v.fill.holes/examples.ipynb
+++ b/vector/v.fill.holes/examples.ipynb
@@ -15,12 +15,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import os\n",
     "import sys\n",
     "\n",
     "from IPython.display import Image\n",
     "\n",
-    "import grass.script as gs\n",
     "import grass.jupyter as gj"
    ]
   },
diff --git a/vector/v.in.ogr/testsuite/test_v_in_ogr.py b/vector/v.in.ogr/testsuite/test_v_in_ogr.py
index 167cd8747e8..31d2ef7ef3b 100644
--- a/vector/v.in.ogr/testsuite/test_v_in_ogr.py
+++ b/vector/v.in.ogr/testsuite/test_v_in_ogr.py
@@ -4,7 +4,6 @@
 """
 
 from grass.gunittest.case import TestCase
-from grass.gunittest.gmodules import SimpleModule
 
 
 class TestOgrImport(TestCase):