diff --git a/novelwriter/core/itemmodel.py b/novelwriter/core/itemmodel.py
index 948b6146e..8042a3f22 100644
--- a/novelwriter/core/itemmodel.py
+++ b/novelwriter/core/itemmodel.py
@@ -59,7 +59,9 @@
 NODE_FLAGS |= Qt.ItemFlag.ItemIsSelectable
 NODE_FLAGS |= Qt.ItemFlag.ItemIsDropEnabled
 
-T_NodeData = str | QIcon | QFont | Qt.AlignmentFlag | None
+if TYPE_CHECKING:  # pragma: no cover
+    # Requires Python 3.10
+    T_NodeData = str | QIcon | QFont | Qt.AlignmentFlag | None
 
 
 class ProjectNode:
diff --git a/novelwriter/core/project.py b/novelwriter/core/project.py
index 31a449193..4e16dd53b 100644
--- a/novelwriter/core/project.py
+++ b/novelwriter/core/project.py
@@ -30,6 +30,7 @@
 from functools import partial
 from pathlib import Path
 from time import time
+from typing import TYPE_CHECKING
 
 from PyQt5.QtCore import QCoreApplication
 
@@ -44,12 +45,15 @@
 from novelwriter.core.projectdata import NWProjectData
 from novelwriter.core.projectxml import ProjectXMLReader, ProjectXMLWriter, XMLReadState
 from novelwriter.core.sessions import NWSessionLog
-from novelwriter.core.status import T_StatusKind, T_UpdateEntry
 from novelwriter.core.storage import NWStorage, NWStorageOpen
 from novelwriter.core.tree import NWTree
 from novelwriter.enum import nwItemClass, nwItemLayout, nwItemType
 from novelwriter.error import logException
 
+if TYPE_CHECKING:  # pragma: no cover
+    # Requires Python 3.10
+    from novelwriter.core.status import T_StatusKind, T_UpdateEntry
+
 logger = logging.getLogger(__name__)
 
 
diff --git a/novelwriter/core/status.py b/novelwriter/core/status.py
index 358f9ced9..fa3a3dfc1 100644
--- a/novelwriter/core/status.py
+++ b/novelwriter/core/status.py
@@ -65,8 +65,10 @@ def duplicate(cls, source: StatusEntry) -> StatusEntry:
 
 NO_ENTRY = StatusEntry("", QColor(0, 0, 0), nwStatusShape.SQUARE, QIcon(), 0)
 
-T_UpdateEntry = list[tuple[str | None, StatusEntry]]
-T_StatusKind = Literal["s", "i"]
+if TYPE_CHECKING:  # pragma: no cover
+    # Requires Python 3.10
+    T_UpdateEntry = list[tuple[str | None, StatusEntry]]
+    T_StatusKind = Literal["s", "i"]
 
 
 class NWStatus: