diff --git a/festim/materials/materials.py b/festim/materials/materials.py
index 642f6dde4..c88c7beba 100644
--- a/festim/materials/materials.py
+++ b/festim/materials/materials.py
@@ -5,7 +5,6 @@
 import festim
 import fenics as f
 from typing import Union
-import warnings
 
 
 class Materials(list):
@@ -29,27 +28,6 @@ def __init__(self, *args):
         self.density = None
         self.Q = None
 
-    @property
-    def materials(self):
-        warnings.warn(
-            "The materials attribute will be deprecated in a future release, please use festim.Materials as a list instead",
-            DeprecationWarning,
-        )
-        return self
-
-    @materials.setter
-    def materials(self, value):
-        warnings.warn(
-            "The materials attribute will be deprecated in a future release, please use festim.Materials as a list instead",
-            DeprecationWarning,
-        )
-        if isinstance(value, list):
-            if not all(isinstance(t, festim.Material) for t in value):
-                raise TypeError("materials must be a list of festim.Material")
-            super().__init__(value)
-        else:
-            raise TypeError("materials must be a list")
-
     def __setitem__(self, index, item):
         super().__setitem__(index, self._validate_material(item))
 
diff --git a/test/unit/test_materials.py b/test/unit/test_materials.py
index 803a8f44c..a2046773f 100644
--- a/test/unit/test_materials.py
+++ b/test/unit/test_materials.py
@@ -402,46 +402,6 @@ def test_assign_materials_wrong_type():
             my_materials.insert(0, mat_combination)
 
 
-class TestMaterialsPropertyDeprWarn:
-    """
-    A temporary test to check DeprecationWarnings in F.Materials.materials
-    """
-
-    my_mat = F.Material(id=1, E_D=1, D_0=1)
-    my_mats = F.Materials([])
-
-    def test_property_depr_warns(self):
-        with pytest.deprecated_call():
-            self.my_mats.materials
-
-    def test_property_setter_depr_warns(self):
-        with pytest.deprecated_call():
-            self.my_mats.materials = [self.my_mat]
-
-
-class TestMaterialsPropertyRaiseError:
-    """
-    A temporary test to check TypeErrors in F.Materials.materials
-    """
-
-    my_mat = F.Material(id=1, E_D=1, D_0=1)
-    my_mats = F.Materials([])
-
-    def test_set_materials_wrong_type(self):
-        with pytest.raises(
-            TypeError,
-            match="materials must be a list",
-        ):
-            self.my_mats.materials = self.my_mat
-
-    def test_set_materials_list_wrong_type(self):
-        with pytest.raises(
-            TypeError,
-            match="materials must be a list of festim.Material",
-        ):
-            self.my_mats.materials = [self.my_mat, 1]
-
-
 def test_instanciate_with_no_elements():
     """
     Test to catch bug described in issue #724