diff --git a/cura/PrinterOutputDevice.py b/cura/PrinterOutputDevice.py
index 156920e295..6eae259e1e 100644
--- a/cura/PrinterOutputDevice.py
+++ b/cura/PrinterOutputDevice.py
@@ -366,11 +366,6 @@ class PrinterOutputDevice(QObject, OutputDevice):
             self._connection_state = connection_state
             self.connectionStateChanged.emit(self._id)
 
-    ##  Check the connection state of this output device.
-    #   /param connection_state ConnectionState enum.
-    def isConnectionState(self, connection_state):
-        return self._connection_state == connection_state
-
     @pyqtProperty(str, notify = connectionTextChanged)
     def connectionText(self):
         return self._connection_text
@@ -540,4 +535,4 @@ class ConnectionState(IntEnum):
     connecting = 1
     connected = 2
     busy = 3
-    error = 4
+    error = 4
\ No newline at end of file