diff --git a/ansys/mapdl/reader/archive.py b/ansys/mapdl/reader/archive.py
index 7e5f2785..b6eb1158 100644
--- a/ansys/mapdl/reader/archive.py
+++ b/ansys/mapdl/reader/archive.py
@@ -140,7 +140,7 @@ def __init__(self, filename, read_parameters=False,
 
     @property
     def filename(self) -> str:
-        """String form of the filename. Accepts ``pathlib.Path`` and string objects when set."""
+        """String form of the filename. This property is read-only."""
         return str(self._filename)
 
     @property
@@ -148,10 +148,6 @@ def pathlib_filename(self) -> pathlib.Path:
         """Return the ``pathlib.Path`` version of the filename. This property can not be set."""
         return self._filename
 
-    @filename.setter
-    def filename(self, value: Union[str, pathlib.Path]):
-        self._filename = pathlib.Path(value)
-
     @property
     def raw(self):  # pragma: no cover
         raise AttributeError('The `raw` attribute has been depreciated.  Access'
diff --git a/ansys/mapdl/reader/emat.py b/ansys/mapdl/reader/emat.py
index 963fee44..b64c0703 100644
--- a/ansys/mapdl/reader/emat.py
+++ b/ansys/mapdl/reader/emat.py
@@ -357,7 +357,7 @@ def __init__(self, filename):
 
     @property
     def filename(self):
-        """String form of the filename. Accepts ``pathlib.Path`` and string objects when set."""
+        """String form of the filename. This property is read-only."""
         return str(self._filename)
 
     @property
@@ -365,10 +365,6 @@ def pathlib_filename(self):
         """Return the ``pathlib.Path`` version of the filename. This property can not be set."""
         return self._filename
 
-    @filename.setter
-    def filename(self, value):
-        self._filename = pathlib.Path(value)
-
     def read_header(self):
         """Read standard emat file header"""
         with open(self.pathlib_filename, 'rb') as f:
diff --git a/ansys/mapdl/reader/full.py b/ansys/mapdl/reader/full.py
index 967b3203..8f4cec7d 100644
--- a/ansys/mapdl/reader/full.py
+++ b/ansys/mapdl/reader/full.py
@@ -102,7 +102,7 @@ def __init__(self, filename: Union[str, pathlib.Path]):
 
     @property
     def filename(self):
-        """String form of the filename. Accepts ``pathlib.Path`` and string objects when set."""
+        """String form of the filename. This property is read-only."""
         return str(self._filename)
 
     @property
@@ -110,10 +110,6 @@ def pathlib_filename(self):
         """Return the ``pathlib.Path`` version of the filename. This property can not be set."""
         return self._filename
 
-    @filename.setter
-    def filename(self, value):
-        self._filename = pathlib.Path(value)
-
     @property
     def k(self):
         """Stiffness Matrix corresponding to sorted DOF.
diff --git a/ansys/mapdl/reader/rst.py b/ansys/mapdl/reader/rst.py
index ce8b2436..9e8bac3e 100644
--- a/ansys/mapdl/reader/rst.py
+++ b/ansys/mapdl/reader/rst.py
@@ -135,7 +135,7 @@ def __init__(self, filename, read_mesh=True, parse_vtk=True, **kwargs):
 
     @property
     def filename(self) -> str:
-        """String form of the filename. Accepts ``pathlib.Path`` and string objects when set."""
+        """String form of the filename. This property is read-only."""
         return str(self._filename)
 
     @property
@@ -143,10 +143,6 @@ def pathlib_filename(self) -> pathlib.Path:
         """Return the ``pathlib.Path`` version of the filename. This property can not be set."""
         return self._filename
 
-    @filename.setter
-    def filename(self, value: Union[str, pathlib.Path]):
-        self._filename = pathlib.Path(value)
-
     @property
     def mesh(self):
         """Mesh from result file.
diff --git a/tests/archive/test_archive.py b/tests/archive/test_archive.py
index 21475458..f59185d2 100644
--- a/tests/archive/test_archive.py
+++ b/tests/archive/test_archive.py
@@ -460,11 +460,9 @@ def test_filename_property_is_string(self, pathlib_archive):
         assert isinstance(a.filename, str)
 
     def test_filename_setter_pathlib(self, pathlib_archive):
-        pathlib_archive.filename = pathlib.Path('dummy2')
-        assert isinstance(pathlib_archive.filename, str)
-        assert isinstance(pathlib_archive.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            pathlib_archive.filename = pathlib.Path('dummy2')
 
     def test_filename_setter_string(self, pathlib_archive):
-        pathlib_archive.filename = 'dummy2'
-        assert isinstance(pathlib_archive.filename, str)
-        assert isinstance(pathlib_archive.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            pathlib_archive.filename = 'dummy2'
diff --git a/tests/test_emat.py b/tests/test_emat.py
index abbec3c1..fef130d3 100644
--- a/tests/test_emat.py
+++ b/tests/test_emat.py
@@ -53,11 +53,10 @@ def test_filename_property_is_string(self, emat_pathlib):
         assert isinstance(emat_pathlib.filename, str)
 
     def test_filename_setter_pathlib(self, emat_pathlib):
-        emat_pathlib.filename = pathlib.Path('dummy2')
-        assert isinstance(emat_pathlib.filename, str)
-        assert isinstance(emat_pathlib.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            emat_pathlib.filename = pathlib.Path('dummy2')
 
     def test_filename_setter_string(self, emat_pathlib):
-        emat_pathlib.filename = 'dummy2'
-        assert isinstance(emat_pathlib.filename, str)
-        assert isinstance(emat_pathlib.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            emat_pathlib.filename = 'dummy2'
+
diff --git a/tests/test_full.py b/tests/test_full.py
index 6f3d833d..d651a8f4 100644
--- a/tests/test_full.py
+++ b/tests/test_full.py
@@ -85,11 +85,9 @@ def test_filename_property_is_string(self, sparse_full_pathlib_full_file):
         assert isinstance(sparse_full_pathlib_full_file.filename, str)
 
     def test_filename_setter_pathlib(self, sparse_full_pathlib_full_file):
-        sparse_full_pathlib_full_file.filename = pathlib.Path('dummy2')
-        assert isinstance(sparse_full_pathlib_full_file.filename, str)
-        assert isinstance(sparse_full_pathlib_full_file.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            sparse_full_pathlib_full_file.filename = pathlib.Path('dummy2')
 
     def test_filename_setter_string(self, sparse_full_pathlib_full_file):
-        sparse_full_pathlib_full_file.filename = 'dummy2'
-        assert isinstance(sparse_full_pathlib_full_file.filename, str)
-        assert isinstance(sparse_full_pathlib_full_file.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            sparse_full_pathlib_full_file.filename = 'dummy2'
diff --git a/tests/test_rst.py b/tests/test_rst.py
index 6263340b..76780caa 100644
--- a/tests/test_rst.py
+++ b/tests/test_rst.py
@@ -336,17 +336,15 @@ def test_filename_property_is_string(self, pathlib_result):
     @pytest.mark.skipif(not os.path.isfile(temperature_rst),
                         reason="Requires example files")
     def test_filename_setter_pathlib(self, pathlib_result):
-        pathlib_result.filename = pathlib.Path('dummy2')
-        assert isinstance(pathlib_result.filename, str)
-        assert isinstance(pathlib_result.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            pathlib_result.filename = pathlib.Path('dummy2')
 
     @skip_plotting
     @pytest.mark.skipif(not os.path.isfile(temperature_rst),
                         reason="Requires example files")
     def test_filename_setter_string(self, pathlib_result):
-        pathlib_result.filename = 'dummy2'
-        assert isinstance(pathlib_result.filename, str)
-        assert isinstance(pathlib_result.pathlib_filename, pathlib.Path)
+        with pytest.raises(AttributeError):
+            pathlib_result.filename = 'dummy2'
 
 
 def test_rst_node_components(hex_rst):