diff --git a/kasa/smartdevice.py b/kasa/smartdevice.py
index e7b7a38f..4f850b5b 100755
--- a/kasa/smartdevice.py
+++ b/kasa/smartdevice.py
@@ -393,12 +393,6 @@ class SmartDevice:
         sys_info = self.sys_info
         return str(sys_info["alias"])
 
-    @property  # type: ignore
-    @requires_update
-    def has_children(self) -> bool:
-        """Check if the device has children devices."""
-        return bool(self._sys_info.get("child_num"))
-
     async def set_alias(self, alias: str) -> None:
         """Set the device name (alias)."""
         return await self._query_helper("system", "set_dev_alias", {"alias": alias})
diff --git a/kasa/tests/test_smartdevice.py b/kasa/tests/test_smartdevice.py
index 17517524..33cee68b 100644
--- a/kasa/tests/test_smartdevice.py
+++ b/kasa/tests/test_smartdevice.py
@@ -170,16 +170,6 @@ async def test_representation(dev):
     assert pattern.match(str(dev))
 
 
-async def test_children(dev):
-    """Make sure that children property is exposed by every device."""
-    if dev.is_strip:
-        assert len(dev.children) > 0
-        assert dev.has_children is True
-    else:
-        assert len(dev.children) == 0
-        assert dev.has_children is False
-
-
 async def test_internal_state(dev):
     """Make sure the internal state returns the last update results."""
     assert dev.internal_state == dev._last_update