diff --git a/cura/NetworkClient.py b/cura/NetworkClient.py
index 5294813fb7..6abf4f3d47 100644
--- a/cura/NetworkClient.py
+++ b/cura/NetworkClient.py
@@ -203,7 +203,7 @@ class NetworkClient:
     ##  Does a POST request with form data to the given URL.
     def postForm(self, url: str, header_data: str, body_data: bytes,
                  on_finished: Optional[Callable[[QNetworkReply], None]],
-                 on_progress: Callable = None) -> None:
+                 on_progress: Optional[Callable[[int, int], None]] = None) -> None:
         post_part = QHttpPart()
         post_part.setHeader(QNetworkRequest.ContentDispositionHeader, header_data)
         post_part.setBody(body_data)
@@ -212,7 +212,7 @@ class NetworkClient:
     ##  Does a POST request with form parts to the given URL.
     def postFormWithParts(self, target: str, parts: List[QHttpPart],
                           on_finished: Optional[Callable[[QNetworkReply], None]],
-                          on_progress: Callable = None) -> Optional[QNetworkReply]:
+                          on_progress: Optional[Callable[[int, int], None]] = None) -> Optional[QNetworkReply]:
         self._validateManager()
         
         request = self._createEmptyRequest(target, content_type = None)
diff --git a/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputController.py b/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputController.py
index d31d2bf486..b2a8d8649b 100644
--- a/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputController.py
+++ b/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputController.py
@@ -1,10 +1,11 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
+from UM.OutputDevice.OutputDevice import OutputDevice
 from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
 
 
 class CloudOutputController(PrinterOutputController):
-    def __init__(self, output_device):
+    def __init__(self, output_device: OutputDevice):
         super().__init__(output_device)
         
         # The cloud connection only supports fetching the printer and queue status and adding a job to the queue.
diff --git a/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py b/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
index bf80e0f84c..c4ab752163 100644
--- a/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
+++ b/plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py
@@ -323,8 +323,7 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
             Message(
                 text = message,
                 title = T.ERROR,
-                lifetime = 10,
-                dismissable = True
+                lifetime = 10
             ).show()
         self._sending_job = False  # the upload has finished so we're not sending a job anymore
         self.writeError.emit()
@@ -337,8 +336,7 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         Message(
             text = T.UPLOAD_SUCCESS_TEXT,
             title = T.UPLOAD_SUCCESS_TITLE,
-            lifetime = 5,
-            dismissable = True,
+            lifetime = 5
         ).show()
         self._sending_job = False  # the upload has finished so we're not sending a job anymore
         self.writeFinished.emit()
diff --git a/resources/themes/cura-light/icons/printer_cloud_connected.svg b/resources/themes/cura-light/icons/printer_cloud_connected.svg
deleted file mode 100644
index 59ca67e93e..0000000000
--- a/resources/themes/cura-light/icons/printer_cloud_connected.svg
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="16px" height="16px" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <!-- Generator: Sketch 52.2 (67145) - http://www.bohemiancoding.com/sketch -->
-    <title>noun_Cloud_377836</title>
-    <desc>Created with Sketch.</desc>
-    <g id="Symbols" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <g id="Icon/-group-printer/-cloud" transform="translate(-14.000000, -18.000000)" fill="#3282FF" stroke="#FFFFFF">
-            <g id="noun_Cloud_377836" transform="translate(15.000000, 19.000000)">
-                <path d="M12.3440271,3.61701809 C13.6201197,4.04206192 14.5,5.3142474 14.5,6.82575758 C14.5,8.61355846 13.1725736,10.1363636 11.55,10.1363636 C9.95687956,10.1363636 9.95687956,10.1363636 7.03230084,10.1363636 C5.5144815,10.1363636 5.5144815,10.1363636 4.18278423,10.1363636 C3.03720902,10.1363636 3.03720902,10.1363636 2.45,10.1363636 C0.827426402,10.1363636 -0.5,8.61355846 -0.5,6.82575758 C-0.5,5.37705632 0.379590151,4.08194163 1.60957212,3.69458679 C1.75103656,1.3361233 3.44417494,-0.5 5.6,-0.5 C6.82422325,-0.5 7.98499907,0.153804932 8.73228719,1.21519021 C8.95750893,1.14169648 9.19251064,1.10606061 9.45,1.10606061 C10.8613861,1.10606061 12.0466587,2.17389831 12.3440271,3.61701809 Z" id="Path"></path>
-            </g>
-        </g>
-    </g>
-</svg>
\ No newline at end of file