diff --git a/docs/docstrings/top/filesystem.md b/docs/docstrings/top/filesystem.md
deleted file mode 100644
index 9f05cc3a..00000000
--- a/docs/docstrings/top/filesystem.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# filesystem
-
-::: filesystem
diff --git a/mkdocs.yml b/mkdocs.yml
index 34692b3f..4e2187fb 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -24,7 +24,6 @@ nav:
           - "boilerplate": docstrings/top/boilerplate.md
           - "buffer": docstrings/top/buffer.md
           - "constants": docstrings/top/constants.md
-          - "filesystem": docstrings/top/filesystem.md
           - "io": docstrings/top/io.md
           - "logging": docstrings/top/logging.md
           - "namelist": docstrings/top/namelist.md
diff --git a/ndsl/filesystem.py b/ndsl/filesystem.py
deleted file mode 100644
index df2e709f..00000000
--- a/ndsl/filesystem.py
+++ /dev/null
@@ -1,37 +0,0 @@
-import warnings
-
-import fsspec
-
-
-def get_fs(path: str) -> fsspec.AbstractFileSystem:
-    """Return the fsspec filesystem required to handle a given path."""
-    warnings.warn(
-        "Usage of `get_fs()` is discouraged if favor `os.path` and `pathlib` "
-        "modules. The function will be removed in the next version of NDSL.",
-        DeprecationWarning,
-        stacklevel=2,
-    )
-    fs, _, _ = fsspec.get_fs_token_paths(path)
-    return fs
-
-
-def is_file(filename):
-    warnings.warn(
-        "Usage of `is_file()` is discouraged if favor of plain `os.path.isfile()`. "
-        "The function will be removed in the next version of NDSL.",
-        DeprecationWarning,
-        stacklevel=2,
-    )
-    return get_fs(filename).isfile(filename)
-
-
-def open(filename, *args, **kwargs):
-    warnings.warn(
-        "Usage of `open()` is discouraged if favor the python built-in file "
-        "open context manager. The function will be removed in the next version "
-        "of NDSL.",
-        DeprecationWarning,
-        stacklevel=2,
-    )
-    fs = get_fs(filename)
-    return fs.open(filename, *args, **kwargs)
diff --git a/setup.py b/setup.py
index 1719226f..6d109c36 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,6 @@ def local_pkg(name: str, relative_path: str) -> str:
     "cftime",
     "xarray>=2025.01.2",  # datatree + fixes
     "f90nml>=1.1.0",
-    "fsspec",
     "netcdf4==1.7.2",
     "scipy",  # restart capacities only
     "h5netcdf",  # for xarray
diff --git a/tests/test_filesystem.py b/tests/test_filesystem.py
deleted file mode 100644
index 5f05af82..00000000
--- a/tests/test_filesystem.py
+++ /dev/null
@@ -1,19 +0,0 @@
-import pytest
-
-import ndsl.filesystem as fs
-
-
-def test_is_file_is_deprecated() -> None:
-    with pytest.deprecated_call():
-        fs.is_file("path/to/my_file.txt")
-
-
-def test_open_is_deprecated() -> None:
-    with pytest.deprecated_call():
-        with fs.open("README.md", "r"):
-            pass
-
-
-def test_get_fs_is_deprecated() -> None:
-    with pytest.deprecated_call():
-        fs.get_fs("path/to/my/file.txt")