diff --git a/cura/UltimakerCloudAuthentication.py b/cura/UltimakerCloudAuthentication.py
index 7ebdfd054b..ac752231b9 100644
--- a/cura/UltimakerCloudAuthentication.py
+++ b/cura/UltimakerCloudAuthentication.py
@@ -5,7 +5,7 @@
 # Constants used for the Cloud API
 # ---------
 DEFAULT_CLOUD_API_ROOT = "https://api.ultimaker.com"  # type: str
-DEFAULT_CLOUD_API_VERSION = "1"  # type: str
+DEFAULT_CLOUD_API_VERSION = 1  # type: int
 DEFAULT_CLOUD_ACCOUNT_API_ROOT = "https://account.ultimaker.com"  # type: str
 
 try:
diff --git a/plugins/CuraDrive/src/DrivePluginExtension.py b/plugins/CuraDrive/src/DrivePluginExtension.py
index 8944b9a980..baa8ce092e 100644
--- a/plugins/CuraDrive/src/DrivePluginExtension.py
+++ b/plugins/CuraDrive/src/DrivePluginExtension.py
@@ -3,7 +3,7 @@
 
 import os
 from datetime import datetime
-from typing import Optional, List
+from typing import Optional, List, Dict, Any
 
 from PyQt5.QtCore import QObject, pyqtSlot, pyqtProperty, pyqtSignal
 
@@ -41,7 +41,7 @@ class DrivePluginExtension(QObject, Extension):
 
         # Local data caching for the UI.
         self._drive_window = None  # type: Optional[QObject]
-        self._backups = []
+        self._backups = []  # type: List[Dict[str, Any]]
         self._is_restoring_backup = False
         self._is_creating_backup = False
 
diff --git a/plugins/Toolbox/src/Toolbox.py b/plugins/Toolbox/src/Toolbox.py
index e7e849f1d2..192471a357 100644
--- a/plugins/Toolbox/src/Toolbox.py
+++ b/plugins/Toolbox/src/Toolbox.py
@@ -31,9 +31,6 @@ i18n_catalog = i18nCatalog("cura")
 
 ##  The Toolbox class is responsible of communicating with the server through the API
 class Toolbox(QObject, Extension):
-    DEFAULT_CLOUD_API_ROOT = "https://api.ultimaker.com"  # type: str
-    DEFAULT_CLOUD_API_VERSION = 1  # type: int
-
     def __init__(self, application: CuraApplication) -> None:
         super().__init__()