diff --git a/electrum/plugins/bitbox02/bitbox02.py b/electrum/plugins/bitbox02/bitbox02.py
index bcc3ebac7..087546dc4 100644
--- a/electrum/plugins/bitbox02/bitbox02.py
+++ b/electrum/plugins/bitbox02/bitbox02.py
@@ -131,8 +131,9 @@ class BitBox02Client(HardwareClientBase):
             self.config.set_key("bitbox02", bitbox02_config)
 
         def attestation_warning() -> None:
-            self.handler.attestation_failed_warning(
-                "The BitBox02 attestation failed.\nTry reconnecting the BitBox02.\nWarning: The device might not be genuine, if the\n problem persists please contact Shift support."
+            self.handler.show_error(
+                "The BitBox02 attestation failed.\nTry reconnecting the BitBox02.\nWarning: The device might not be genuine, if the\n problem persists please contact Shift support.",
+                blocking=True
             )
 
         class NoiseConfig(bitbox_api_protocol.BitBoxNoiseConfig):
diff --git a/electrum/plugins/bitbox02/qt.py b/electrum/plugins/bitbox02/qt.py
index 4404ffcdd..2a63b681f 100644
--- a/electrum/plugins/bitbox02/qt.py
+++ b/electrum/plugins/bitbox02/qt.py
@@ -89,11 +89,9 @@ class Plugin(BitBox02Plugin, QtPluginBase):
 
 
 class BitBox02_Handler(QtHandlerBase):
-    setup_signal = pyqtSignal()
 
     def __init__(self, win):
         super(BitBox02_Handler, self).__init__(win, "BitBox02")
-        self.setup_signal.connect(self.setup_dialog)
 
     def message_dialog(self, msg):
         self.clear_dialog()
@@ -105,24 +103,6 @@ class BitBox02_Handler(QtHandlerBase):
         vbox.addWidget(l)
         dialog.show()
 
-    def attestation_failed_warning(self, msg):
-        self.clear_dialog()
-        self.dialog = dialog = WindowModalDialog(None, "BitBox02 Attestation Failed")
-        l = QLabel(msg)
-        vbox = QVBoxLayout(dialog)
-        vbox.addWidget(l)
-        okButton = OkButton(dialog)
-        vbox.addWidget(okButton)
-        dialog.setLayout(vbox)
-        dialog.exec_()
-        return
-
-    def get_setup(self):
-        self.done.clear()
-        self.setup_signal.emit()
-        self.done.wait()
-        return
-
     def name_multisig_account(self):
         return QMetaObject.invokeMethod(
             self,
@@ -157,7 +137,3 @@ class BitBox02_Handler(QtHandlerBase):
         dialog.setLayout(vbox)
         dialog.exec_()
         return name.text().strip()
-
-    def setup_dialog(self):
-        self.show_error(_("Please initialize your BitBox02 while connected."))
-        return
diff --git a/electrum/plugins/coldcard/cmdline.py b/electrum/plugins/coldcard/cmdline.py
index ab86f463c..4f246ec77 100644
--- a/electrum/plugins/coldcard/cmdline.py
+++ b/electrum/plugins/coldcard/cmdline.py
@@ -28,12 +28,6 @@ class ColdcardCmdLineHandler(CmdLineHandler):
     def stop(self):
         pass
 
-    def show_message(self, msg, on_cancel=None):
-        print_stderr(msg)
-
-    def show_error(self, msg, blocking=False):
-        print_stderr(msg)
-
     def update_status(self, b):
         _logger.info(f'hw device status {b}')
 
diff --git a/electrum/plugins/coldcard/qt.py b/electrum/plugins/coldcard/qt.py
index 4c590c859..a9b8ce51a 100644
--- a/electrum/plugins/coldcard/qt.py
+++ b/electrum/plugins/coldcard/qt.py
@@ -77,15 +77,10 @@ class Plugin(ColdcardPlugin, QtPluginBase):
 
 
 class Coldcard_Handler(QtHandlerBase):
-    setup_signal = pyqtSignal()
-    #auth_signal = pyqtSignal(object)
 
     def __init__(self, win):
         super(Coldcard_Handler, self).__init__(win, 'Coldcard')
-        self.setup_signal.connect(self.setup_dialog)
-        #self.auth_signal.connect(self.auth_dialog)
 
-    
     def message_dialog(self, msg):
         self.clear_dialog()
         self.dialog = dialog = WindowModalDialog(self.top_level_window(), _("Coldcard Status"))
@@ -93,16 +88,7 @@ class Coldcard_Handler(QtHandlerBase):
         vbox = QVBoxLayout(dialog)
         vbox.addWidget(l)
         dialog.show()
-        
-    def get_setup(self):
-        self.done.clear()
-        self.setup_signal.emit()
-        self.done.wait()
-        return 
-        
-    def setup_dialog(self):
-        self.show_error(_('Please initialize your Coldcard while disconnected.'))
-        return
+
 
 class CKCCSettingsDialog(WindowModalDialog):