diff --git a/dvc/ignore.py b/dvc/ignore.py
index 141a482fa..30d86e6e5 100644
--- a/dvc/ignore.py
+++ b/dvc/ignore.py
@@ -11,7 +11,6 @@ from dvc.fs.base import BaseFileSystem
 from dvc.path_info import PathInfo
 from dvc.pathspec_math import PatternInfo, merge_patterns
 from dvc.scheme import Schemes
-from dvc.system import System
 from dvc.types import AnyPath, List, Optional
 from dvc.utils import relpath
 from dvc.utils.collections import PathStringTrie
@@ -84,7 +83,7 @@ class DvcIgnorePatterns(DvcIgnore):
         else:
             return False
 
-        if not System.is_unix():
+        if os.name == "nt":
             path = normalize_file(path)
         return path
 
diff --git a/dvc/system.py b/dvc/system.py
index a7c27f62b..96a2aea26 100644
--- a/dvc/system.py
+++ b/dvc/system.py
@@ -22,10 +22,6 @@ if (
 
 
 class System:
-    @staticmethod
-    def is_unix():
-        return os.name != "nt"
-
     @staticmethod
     def hardlink(source, link_name):
         try:
@@ -117,99 +113,14 @@ class System:
         # so we need to chmod it to look like a normal copy.
         os.chmod(link_name, 0o666 & ~umask)
 
-    @staticmethod
-    def _getdirinfo(path):
-        from collections import namedtuple
-
-        from win32file import (  # pylint: disable=import-error
-            FILE_FLAG_BACKUP_SEMANTICS,
-            FILE_FLAG_OPEN_REPARSE_POINT,
-            FILE_SHARE_READ,
-            OPEN_EXISTING,
-            CreateFileW,
-            GetFileInformationByHandle,
-        )
-
-        # NOTE: use FILE_FLAG_OPEN_REPARSE_POINT to open symlink itself and not
-        # the target See https://docs.microsoft.com/en-us/windows/desktop/api/
-        # fileapi/nf-fileapi-createfilew#symbolic-link-behavior
-        flags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT
-
-        hfile = CreateFileW(
-            path, 0, FILE_SHARE_READ, None, OPEN_EXISTING, flags, None
-        )
-
-        # See BY_HANDLE_FILE_INFORMATION structure from fileapi.h
-        Info = namedtuple(
-            "BY_HANDLE_FILE_INFORMATION",
-            [
-                "dwFileAttributes",
-                "ftCreationTime",
-                "ftLastAccessTime",
-                "ftLastWriteTime",
-                "dwVolumeSerialNumber",
-                "nFileSizeHigh",
-                "nFileSizeLow",
-                "nNumberOfLinks",
-                "nFileIndexHigh",
-                "nFileIndexLow",
-            ],
-        )
-
-        return Info(*GetFileInformationByHandle(hfile))
-
     @staticmethod
     def inode(path):
-        path = os.fspath(path)
-
-        if System.is_unix():
-            import ctypes
-
-            inode = os.lstat(path).st_ino
-            # NOTE: See https://bugs.python.org/issue29619 and
-            # https://stackoverflow.com/questions/34643289/
-            # pythons-os-stat-is-returning-wrong-inode-value
-            inode = ctypes.c_ulong(inode).value
-        else:
-            # getdirinfo from ntfsutils works on both files and dirs
-            info = System._getdirinfo(path)
-            inode = abs(
-                hash(
-                    (
-                        info.dwVolumeSerialNumber,
-                        info.nFileIndexHigh,
-                        info.nFileIndexLow,
-                    )
-                )
-            )
-        assert inode >= 0
-        assert inode < 2 ** 64
-        return inode
+        return os.lstat(path).st_ino
 
     @staticmethod
     def is_symlink(path):
-        path = os.fspath(path)
-
-        if System.is_unix():
-            return os.path.islink(path)
-
-        # https://docs.microsoft.com/en-us/windows/desktop/fileio/
-        # file-attribute-constants
-        from winnt import (  # pylint: disable=import-error
-            FILE_ATTRIBUTE_REPARSE_POINT,
-        )
-
-        if os.path.lexists(path):
-            info = System._getdirinfo(path)
-            return info.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT
-        return False
+        return os.path.islink(path)
 
     @staticmethod
     def is_hardlink(path):
-        path = os.fspath(path)
-
-        if System.is_unix():
-            return os.stat(path).st_nlink > 1
-
-        info = System._getdirinfo(path)
-        return info.nNumberOfLinks > 1
+        return os.stat(path).st_nlink > 1
diff --git a/requirements/default.txt b/requirements/default.txt
index b97a691a8..c76757bf5 100644
--- a/requirements/default.txt
+++ b/requirements/default.txt
@@ -24,7 +24,6 @@ packaging>=19.0
 zc.lockfile>=1.2.1
 flufl.lock>=3.2,<4
 win-unicode-console>=0.5; sys_platform == 'win32'
-pywin32>=225; sys_platform == 'win32' and python_version < '3.10'
 networkx>=2.5
 psutil>=5.8.0
 pydot>=1.2.4
diff --git a/requirements/tests.txt b/requirements/tests.txt
index 155f54a5e..17915135a 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -21,6 +21,7 @@ google-compute-engine==2.8.13
 google-cloud-storage==1.42.1
 urllib3==1.26.6
 dvclive>=0.2.1
+pywin32>=225; sys_platform == 'win32' and python_version < '3.10'
 
 # required by collective.checkdocs
 Pygments==2.10.0
diff --git a/scripts/pyinstaller/hooks/hook-win32file.py b/scripts/pyinstaller/hooks/hook-win32file.py
deleted file mode 100644
index daee85e09..000000000
--- a/scripts/pyinstaller/hooks/hook-win32file.py
+++ /dev/null
@@ -1 +0,0 @@
-hiddenimports = ["win32timezone"]
diff --git a/tests/func/test_system.py b/tests/func/test_system.py
deleted file mode 100644
index 12c42b6d1..000000000
--- a/tests/func/test_system.py
+++ /dev/null
@@ -1,17 +0,0 @@
-import os
-
-import pytest
-
-from dvc.system import System
-
-
-@pytest.mark.skipif(os.name != "nt", reason="Windows specific")
-def test_getdirinfo(tmp_path):
-    # simulate someone holding an exclusive access
-    locked = str(tmp_path / "locked")
-    fd = os.open(locked, os.O_WRONLY | os.O_CREAT | os.O_EXCL)
-    try:
-        # should not raise WinError
-        System._getdirinfo(locked)
-    finally:
-        os.close(fd)