diff --git a/git/objects/submodule/base.py b/git/objects/submodule/base.py
@@ -1,6 +1,7 @@
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

from io import BytesIO
import logging
import os
@@ -1079,8 +1080,6 @@ def remove(
                    self._clear_cache()
                    wtd = mod.working_tree_dir
                    del mod  # Release file-handles (Windows).
-                    import gc
-
                    gc.collect()
                    rmtree(str(wtd))
                # END delete tree if possible

diff --git a/test/performance/test_streams.py b/test/performance/test_streams.py
@@ -3,6 +3,7 @@

"""Performance tests for data streaming."""

import os
import subprocess
import sys
@@ -92,8 +93,6 @@ def test_large_data_streaming(self, rwrepo):

            # del db file so git has something to do.
            ostream = None
-            import gc
-
            gc.collect()
            os.remove(db_file)


diff --git a/test/test_base.py b/test/test_base.py
@@ -3,6 +3,7 @@
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import os
import sys
import tempfile
@@ -20,8 +21,6 @@

class TestBase(_TestBase):
    def tearDown(self):
-        import gc
-
        gc.collect()

    type_tuples = (

diff --git a/test/test_docs.py b/test/test_docs.py
@@ -3,6 +3,7 @@
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import os
import sys

@@ -16,8 +17,6 @@

class Tutorials(TestBase):
    def tearDown(self):
-        import gc
-
        gc.collect()

    # ACTUALLY skipped by git.util.rmtree (in local onerror function), from the last call to it via

diff --git a/test/test_quick_doc.py b/test/test_quick_doc.py
@@ -1,14 +1,14 @@
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

from test.lib import TestBase
from test.lib.helper import with_rw_directory


class QuickDoc(TestBase):
    def tearDown(self):
-        import gc
-
        gc.collect()

    @with_rw_directory

diff --git a/test/test_remote.py b/test/test_remote.py
@@ -3,6 +3,7 @@
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import os
import os.path as osp
from pathlib import Path
@@ -105,8 +106,6 @@ def assert_received_message(self):

class TestRemote(TestBase):
    def tearDown(self):
-        import gc
-
        gc.collect()

    def _print_fetchhead(self, repo):

diff --git a/test/test_repo.py b/test/test_repo.py
@@ -3,6 +3,7 @@
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import glob
import io
from io import BytesIO
@@ -72,8 +73,6 @@ def tearDown(self):
            if osp.isfile(lfp):
                raise AssertionError("Previous TC left hanging git-lock file: {}".format(lfp))

-        import gc
-
        gc.collect()

    def test_new_should_raise_on_invalid_repo_location(self):

diff --git a/test/test_submodule.py b/test/test_submodule.py
@@ -2,6 +2,7 @@
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/

import contextlib
import os
import os.path as osp
from pathlib import Path
@@ -61,8 +62,6 @@ def update(self, op, cur_count, max_count, message=""):

class TestSubmodule(TestBase):
    def tearDown(self):
-        import gc
-
        gc.collect()

    k_subm_current = "c15a6e1923a14bc760851913858a3942a4193cdb"