diff --git a/amaranth/lib/memory.py b/amaranth/lib/memory.py
index 6ffdb9d..823c5b5 100644
--- a/amaranth/lib/memory.py
+++ b/amaranth/lib/memory.py
@@ -88,11 +88,6 @@ class Memory(wiring.Component):
         def shape(self):
             return self._shape
 
-        # TODO: redundant with __len__
-        @property
-        def depth(self):
-            return self._depth
-
         def __getitem__(self, index):
             return self._elems[index]
 
diff --git a/tests/test_lib_memory.py b/tests/test_lib_memory.py
index a07d059..d0cdcf9 100644
--- a/tests/test_lib_memory.py
+++ b/tests/test_lib_memory.py
@@ -285,7 +285,7 @@ class MemoryTestCase(FHDLTestCase):
         self.assertEqual(m.shape, 8)
         self.assertEqual(m.depth, 4)
         self.assertEqual(m.init.shape, 8)
-        self.assertEqual(m.init.depth, 4)
+        self.assertEqual(len(m.init), 4)
         self.assertEqual(m.attrs, {})
         self.assertIsInstance(m.init, memory.Memory.Init)
         self.assertEqual(list(m.init), [1, 2, 3, 0])