diff --git a/python-stdlib/fnmatch/fnmatch.py b/python-stdlib/fnmatch/fnmatch.py
index f573d75c..71009afa 100644
--- a/python-stdlib/fnmatch/fnmatch.py
+++ b/python-stdlib/fnmatch/fnmatch.py
@@ -9,11 +9,21 @@ expression.  They cache the compiled regular expressions for speed.
 The function translate(PATTERN) returns a regular expression
 corresponding to PATTERN.  (It does not compile it.)
 """
-import os
-import os.path
 import re
 
-# import functools
+try:
+    from os.path import normcase
+except ImportError:
+
+    def normcase(s):
+        """
+        From os.path.normcase
+        Normalize the case of a pathname. On Windows, convert all characters
+        in the pathname to lowercase, and also convert forward slashes to
+        backward slashes. On other operating systems, return the path unchanged.
+        """
+        return s
+
 
 __all__ = ["filter", "fnmatch", "fnmatchcase", "translate"]
 
@@ -35,8 +45,8 @@ def fnmatch(name, pat):
     if the operating system requires it.
     If you don't want this, use fnmatchcase(FILENAME, PATTERN).
     """
-    name = os.path.normcase(name)
-    pat = os.path.normcase(pat)
+    name = normcase(name)
+    pat = normcase(pat)
     return fnmatchcase(name, pat)
 
 
@@ -59,10 +69,10 @@ def _compile_pattern(pat):
 def filter(names, pat):
     """Return the subset of the list NAMES that match PAT."""
     result = []
-    pat = os.path.normcase(pat)
+    pat = normcase(pat)
     match = _compile_pattern(pat)
     for name in names:
-        if match(os.path.normcase(name)):
+        if match(normcase(name)):
             result.append(name)
     return result
 
diff --git a/python-stdlib/fnmatch/metadata.txt b/python-stdlib/fnmatch/metadata.txt
index 5eb297d4..10b54b83 100644
--- a/python-stdlib/fnmatch/metadata.txt
+++ b/python-stdlib/fnmatch/metadata.txt
@@ -1,4 +1,3 @@
 srctype = cpython
 type = module
 version = 0.5.2
-depends = os, os.path
diff --git a/python-stdlib/fnmatch/setup.py b/python-stdlib/fnmatch/setup.py
index 5a9ac632..7ca64ddf 100644
--- a/python-stdlib/fnmatch/setup.py
+++ b/python-stdlib/fnmatch/setup.py
@@ -21,5 +21,4 @@ setup(
     license="Python",
     cmdclass={"sdist": sdist_upip.sdist},
     py_modules=["fnmatch"],
-    install_requires=["micropython-os", "micropython-os.path"],
 )