diff --git a/lib/logitech_receiver/notifications.py b/lib/logitech_receiver/notifications.py
index 7aa79d50..5535d9ed 100644
--- a/lib/logitech_receiver/notifications.py
+++ b/lib/logitech_receiver/notifications.py
@@ -33,7 +33,6 @@ from .common import Battery as _Battery
 from .common import strhex as _strhex
 from .i18n import _
 from .status import ALERT as _ALERT
-from .status import KEYS as _K
 
 logger = logging.getLogger(__name__)
 
@@ -69,12 +68,12 @@ def _process_receiver_notification(receiver, status, n):
         reason = _("pairing lock is open") if status.lock_open else _("pairing lock is closed")
         if logger.isEnabledFor(logging.INFO):
             logger.info("%s: %s", receiver, reason)
-        status[_K.ERROR] = None
+        status.error = None
         if status.lock_open:
             status.new_device = None
         pair_error = ord(n.data[:1])
         if pair_error:
-            status[_K.ERROR] = error_string = _hidpp10_constants.PAIRING_ERRORS[pair_error]
+            status.error = error_string = _hidpp10_constants.PAIRING_ERRORS[pair_error]
             status.new_device = None
             logger.warning("pairing error %d: %s", pair_error, error_string)
         status.changed(reason=reason)
@@ -86,13 +85,13 @@ def _process_receiver_notification(receiver, status, n):
             reason = _("discovery lock is open") if status.discovering else _("discovery lock is closed")
             if logger.isEnabledFor(logging.INFO):
                 logger.info("%s: %s", receiver, reason)
-            status[_K.ERROR] = None
+            status.error = None
             if status.discovering:
                 status.counter = status.device_address = status.device_authentication = status.device_name = None
             status.device_passkey = None
             discover_error = ord(n.data[:1])
             if discover_error:
-                status[_K.ERROR] = discover_string = _hidpp10_constants.BOLT_PAIRING_ERRORS[discover_error]
+                status.error = discover_string = _hidpp10_constants.BOLT_PAIRING_ERRORS[discover_error]
                 logger.warning("bolt discovering error %d: %s", discover_error, discover_string)
             status.changed(reason=reason)
             return True
@@ -120,7 +119,7 @@ def _process_receiver_notification(receiver, status, n):
             reason = _("pairing lock is open") if status.lock_open else _("pairing lock is closed")
             if logger.isEnabledFor(logging.INFO):
                 logger.info("%s: %s", receiver, reason)
-            status[_K.ERROR] = None
+            status.error = None
             if not status.lock_open:
                 status.counter = status.device_address = status.device_authentication = status.device_name = None
             pair_error = n.data[0]
@@ -129,7 +128,7 @@ def _process_receiver_notification(receiver, status, n):
             elif n.address == 0x02 and not pair_error:
                 status.new_device = receiver.register_new_device(n.data[7])
             if pair_error:
-                status[_K.ERROR] = error_string = _hidpp10_constants.BOLT_PAIRING_ERRORS[pair_error]
+                status.error = error_string = _hidpp10_constants.BOLT_PAIRING_ERRORS[pair_error]
                 status.new_device = None
                 logger.warning("pairing error %d: %s", pair_error, error_string)
             status.changed(reason=reason)
@@ -230,7 +229,6 @@ def _process_hidpp10_notification(device, status, n):
     if n.sub_id == 0x40:  # device unpairing
         if n.address == 0x02:
             # device un-paired
-            status.clear()
             device.wpid = None
             device.status = None
             if device.number in device.receiver:
diff --git a/lib/logitech_receiver/status.py b/lib/logitech_receiver/status.py
index 2104ca67..11a0a920 100644
--- a/lib/logitech_receiver/status.py
+++ b/lib/logitech_receiver/status.py
@@ -32,8 +32,6 @@ _hidpp10 = hidpp10.Hidpp10()
 
 ALERT = NamedInts(NONE=0x00, NOTIFICATION=0x01, SHOW_WINDOW=0x02, ATTENTION=0x04, ALL=0xFF)
 
-KEYS = NamedInts(ERROR=7)
-
 
 def attach_to(device, changed_callback):
     assert device
@@ -46,7 +44,7 @@ def attach_to(device, changed_callback):
             device.status = DeviceStatus(device, changed_callback)
 
 
-class ReceiverStatus(dict):
+class ReceiverStatus:
     """The 'runtime' status of a receiver, mostly about the pairing process --
     is the pairing lock open or closed, any pairing errors, etc.
     """
@@ -57,6 +55,7 @@ class ReceiverStatus(dict):
         assert changed_callback
         self._changed_callback = changed_callback
         self.notification_flags = None
+        self.error = None
 
         self.lock_open = False
         self.discovering = False
@@ -68,8 +67,6 @@ class ReceiverStatus(dict):
         self.device_passkey = None
         self.new_device = None
 
-        self[KEYS.ERROR] = None
-
     def to_string(self):
         count = len(self._receiver)
         return (
@@ -85,9 +82,9 @@ class ReceiverStatus(dict):
         self._changed_callback(self._receiver, alert=alert, reason=reason)
 
 
-class DeviceStatus(dict):
+class DeviceStatus:
     """Holds the 'runtime' status of a peripheral
-    Currently _active, battery, link_encrypted, notification_flags -- dict entries are being moved to attributs
+    Currently _active, battery, link_encrypted, notification_flags, error
     Updates mostly come from incoming notification events from the device itself.
     """
 
@@ -100,13 +97,11 @@ class DeviceStatus(dict):
         self.battery = None
         self.link_encrypted = None
         self.notification_flags = None
+        self.error = None
 
     def to_string(self):
         return self.battery.to_str() if self.battery is not None else ""
 
-    def __repr__(self):
-        return "{" + ", ".join("'%s': %r" % (k, v) for k, v in self.items()) + "}"
-
     def __bool__(self):
         return bool(self._active)
 
@@ -123,11 +118,11 @@ class DeviceStatus(dict):
 
         alert, reason = ALERT.NONE, None
         if info.ok():
-            self[KEYS.ERROR] = None
+            self.error = None
         else:
             logger.warning("%s: battery %d%%, ALERT %s", self._device, info.level, info.status)
-            if self.get(KEYS.ERROR) != info.status:
-                self[KEYS.ERROR] = info.status
+            if self.error != info.status:
+                self.error = info.status
                 alert = ALERT.NOTIFICATION | ALERT.ATTENTION
             reason = info.to_str()
 
diff --git a/lib/solaar/cli/pair.py b/lib/solaar/cli/pair.py
index 0a4fb10e..626f680b 100644
--- a/lib/solaar/cli/pair.py
+++ b/lib/solaar/cli/pair.py
@@ -131,7 +131,7 @@ def run(receivers, args, find_receiver, _ignore):
         dev = receiver.status.new_device
         print("Paired device %d: %s (%s) [%s:%s]" % (dev.number, dev.name, dev.codename, dev.wpid, dev.serial))
     else:
-        error = receiver.status.get(_status.KEYS.ERROR)
+        error = receiver.status.get(_status.error)
         if error:
             raise Exception("pairing failed: %s" % error)
         else:
diff --git a/lib/solaar/ui/pair_window.py b/lib/solaar/ui/pair_window.py
index aae92cb3..052129c5 100644
--- a/lib/solaar/ui/pair_window.py
+++ b/lib/solaar/ui/pair_window.py
@@ -18,7 +18,6 @@ import logging
 
 from gi.repository import GLib, Gtk
 from logitech_receiver import hidpp10_constants as _hidpp10_constants
-from logitech_receiver.status import KEYS as _K
 
 from solaar.i18n import _, ngettext
 
@@ -72,9 +71,10 @@ def _check_lock_state(assistant, receiver, count=2):
             logger.debug("assistant %s destroyed, bailing out", assistant)
         return False
 
-    if receiver.status.get(_K.ERROR):
+    if receiver.status.error:
         # receiver.status.new_device = _fake_device(receiver)
-        _pairing_failed(assistant, receiver, receiver.status.pop(_K.ERROR))
+        _pairing_failed(assistant, receiver, receiver.status.error)
+        receiver.status.error = None
         return False
 
     if receiver.status.new_device:
@@ -145,7 +145,7 @@ def _prepare(assistant, page, receiver):
         if receiver.receiver_kind == "bolt":
             if receiver.discover(timeout=_PAIRING_TIMEOUT):
                 assert receiver.status.new_device is None
-                assert receiver.status.get(_K.ERROR) is None
+                assert receiver.status.error is None
                 spinner = page.get_children()[-1]
                 spinner.start()
                 GLib.timeout_add(_STATUS_CHECK, _check_lock_state, assistant, receiver)
@@ -154,7 +154,7 @@ def _prepare(assistant, page, receiver):
                 GLib.idle_add(_pairing_failed, assistant, receiver, "discovery did not start")
         elif receiver.set_lock(False, timeout=_PAIRING_TIMEOUT):
             assert receiver.status.new_device is None
-            assert receiver.status.get(_K.ERROR) is None
+            assert receiver.status.error is None
             spinner = page.get_children()[-1]
             spinner.start()
             GLib.timeout_add(_STATUS_CHECK, _check_lock_state, assistant, receiver)
@@ -178,7 +178,7 @@ def _finish(assistant, receiver):
     if receiver.status.discovering:
         receiver.discover(True)
     if not receiver.status.lock_open and not receiver.status.discovering:
-        receiver.status[_K.ERROR] = None
+        receiver.status.error = None
 
 
 def _pairing_failed(assistant, receiver, error):
diff --git a/lib/solaar/ui/window.py b/lib/solaar/ui/window.py
index 9892dd9e..999439a9 100644
--- a/lib/solaar/ui/window.py
+++ b/lib/solaar/ui/window.py
@@ -190,7 +190,6 @@ def _create_buttons_box():
         assert _find_selected_device_id() is not None
         device = _find_selected_device()
         assert device is not None
-        assert bool(device)
         assert device.kind is not None
         _action.unpair(_window, device)