diff --git a/novelwriter/constants.py b/novelwriter/constants.py
index 016a30e9..3e7d0bb6 100644
--- a/novelwriter/constants.py
+++ b/novelwriter/constants.py
@@ -25,7 +25,7 @@ from __future__ import annotations
 
 from PyQt5.QtCore import QCoreApplication, QT_TRANSLATE_NOOP
 
-from novelwriter.enum import nwAlert, nwBuildFmt, nwItemClass, nwItemLayout, nwOutline
+from novelwriter.enum import nwBuildFmt, nwItemClass, nwItemLayout, nwOutline
 
 
 def trConst(text: str) -> str:
@@ -165,12 +165,6 @@ class nwLabels:
         nwItemLayout.DOCUMENT:  QT_TRANSLATE_NOOP("Constant", "Novel Document"),
         nwItemLayout.NOTE:      QT_TRANSLATE_NOOP("Constant", "Project Note"),
     }
-    ALERT_NAME = {
-        nwAlert.INFO:  QT_TRANSLATE_NOOP("Constant", "Information"),
-        nwAlert.WARN:  QT_TRANSLATE_NOOP("Constant", "Warning"),
-        nwAlert.ERROR: QT_TRANSLATE_NOOP("Constant", "Error"),
-        nwAlert.ASK:   QT_TRANSLATE_NOOP("Constant", "Question"),
-    }
     ITEM_DESCRIPTION = {
         "none":     QT_TRANSLATE_NOOP("Constant", "None"),
         "root":     QT_TRANSLATE_NOOP("Constant", "Root Folder"),
diff --git a/novelwriter/enum.py b/novelwriter/enum.py
index 1abc29c7..36546778 100644
--- a/novelwriter/enum.py
+++ b/novelwriter/enum.py
@@ -119,16 +119,6 @@ class nwDocInsert(Enum):
 # END Enum nwDocInsert
 
 
-class nwAlert(Enum):
-
-    INFO  = 0
-    WARN  = 1
-    ERROR = 2
-    ASK   = 3
-
-# END Enum nwAlert
-
-
 class nwView(Enum):
 
     EDITOR  = 0
diff --git a/novelwriter/guimain.py b/novelwriter/guimain.py
index 3b7f7e8a..d303491c 100644
--- a/novelwriter/guimain.py
+++ b/novelwriter/guimain.py
@@ -59,7 +59,6 @@ from novelwriter.tools.lipsum import GuiLipsum
 from novelwriter.tools.manuscript import GuiManuscript
 from novelwriter.tools.projwizard import GuiProjectWizard
 from novelwriter.tools.writingstats import GuiWritingStats
-from novelwriter.core.project import NWProject
 from novelwriter.core.coretools import ProjectBuilder
 
 from novelwriter.enum import (
@@ -333,9 +332,7 @@ class GuiMain(QMainWindow):
         return
 
     def postLaunchTasks(self, cmdOpen: str | None) -> None:
-        """This function is called after the main window is created to
-        determine what to open or show after initialisation.
-        """
+        """Process tasks after the main window has been created."""
         if cmdOpen:
             logger.info("Command line path: %s", cmdOpen)
             self.openProject(cmdOpen)
@@ -350,15 +347,6 @@ class GuiMain(QMainWindow):
 
         return
 
-    ##
-    #  Properties
-    ##
-
-    @property
-    def project(self) -> NWProject:
-        """The project instance."""
-        return SHARED.project
-
     ##
     #  Project Actions
     ##
diff --git a/tests/test_dialogs/test_dlg_docsplit.py b/tests/test_dialogs/test_dlg_docsplit.py
index fc6ceccf..0de88a72 100644
--- a/tests/test_dialogs/test_dlg_docsplit.py
+++ b/tests/test_dialogs/test_dlg_docsplit.py
@@ -23,6 +23,7 @@ import pytest
 
 from tools import C, buildTestProject
 
+from novelwriter import SHARED
 from novelwriter.dialogs.docsplit import GuiDocSplit
 from novelwriter.dialogs.editlabel import GuiEditLabel
 
@@ -35,7 +36,7 @@ def testDlgSplit_Main(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     # Create a new project
     buildTestProject(nwGUI, projPath)
 
-    theProject = nwGUI.project
+    theProject = SHARED.project
     projTree = nwGUI.projView.projTree
 
     docText = (
diff --git a/tests/test_dialogs/test_dlg_projdetails.py b/tests/test_dialogs/test_dlg_projdetails.py
index af234423..88fd9a92 100644
--- a/tests/test_dialogs/test_dlg_projdetails.py
+++ b/tests/test_dialogs/test_dlg_projdetails.py
@@ -25,6 +25,7 @@ from tools import getGuiItem
 
 from PyQt5.QtWidgets import QAction
 
+from novelwriter import SHARED
 from novelwriter.dialogs.projdetails import GuiProjectDetails
 
 
@@ -54,7 +55,7 @@ def testDlgProjDetails_Dialog(qtbot, nwGUI, prjLipsum):
     assert projDet.tabMain.wordCountVal.text() == f"{3000:n}"
     assert projDet.tabMain.chapCountVal.text() == f"{3:n}"
     assert projDet.tabMain.sceneCountVal.text() == f"{5:n}"
-    assert projDet.tabMain.revCountVal.text() == f"{nwGUI.project.data.saveCount:n}"
+    assert projDet.tabMain.revCountVal.text() == f"{SHARED.project.data.saveCount:n}"
 
     assert projDet.tabMain.projPathVal.text() == str(prjLipsum)
 
diff --git a/tests/test_dialogs/test_dlg_projsettings.py b/tests/test_dialogs/test_dlg_projsettings.py
index 0eeb9f6e..bafdadc7 100644
--- a/tests/test_dialogs/test_dlg_projsettings.py
+++ b/tests/test_dialogs/test_dlg_projsettings.py
@@ -95,7 +95,7 @@ def testDlgProjSettings_Main(qtbot, monkeypatch, nwGUI, fncPath, projPath, mockR
     CONFIG.setBackupPath(fncPath)
 
     # Set some values
-    theProject = nwGUI.project
+    theProject = SHARED.project
     theProject.data.setSpellLang("en")
     theProject.data.setAuthor("Jane Smith")
     theProject.data.setAutoReplace({"A": "B", "C": "D"})
@@ -160,7 +160,7 @@ def testDlgProjSettings_StatusImport(qtbot, monkeypatch, nwGUI, fncPath, projPat
     CONFIG.setBackupPath(fncPath)
 
     # Set some values
-    theProject = nwGUI.project
+    theProject = SHARED.project
     theProject.tree[C.hTitlePage].setStatus(C.sFinished)
     theProject.tree[C.hChapterDoc].setStatus(C.sDraft)
     theProject.tree[C.hSceneDoc].setStatus(C.sDraft)
@@ -361,7 +361,7 @@ def testDlgProjSettings_Replace(qtbot, monkeypatch, nwGUI, fncPath, projPath, mo
     CONFIG.setBackupPath(fncPath)
 
     # Set some values
-    theProject = nwGUI.project
+    theProject = SHARED.project
     theProject.data.setAutoReplace({
         "A": "B", "C": "D"
     })
diff --git a/tests/test_dialogs/test_dlg_wordlist.py b/tests/test_dialogs/test_dlg_wordlist.py
index 35b1b1cf..6012cf8e 100644
--- a/tests/test_dialogs/test_dlg_wordlist.py
+++ b/tests/test_dialogs/test_dlg_wordlist.py
@@ -26,6 +26,7 @@ from PyQt5.QtWidgets import QDialog, QAction
 
 from tools import buildTestProject, getGuiItem
 
+from novelwriter import SHARED
 from novelwriter.core.spellcheck import UserDictionary
 from novelwriter.dialogs.wordlist import GuiWordList
 
@@ -55,7 +56,7 @@ def testDlgWordList_Dialog(qtbot, monkeypatch, nwGUI, projPath):
     assert wList.listBox.count() == 0
 
     # Add words
-    userDict = UserDictionary(nwGUI.project)
+    userDict = UserDictionary(SHARED.project)
     userDict.add("word_a")
     userDict.add("word_c")
     userDict.add("word_g")
diff --git a/tests/test_gui/test_gui_doceditor.py b/tests/test_gui/test_gui_doceditor.py
index ea8a9f4f..ef05fd2a 100644
--- a/tests/test_gui/test_gui_doceditor.py
+++ b/tests/test_gui/test_gui_doceditor.py
@@ -28,7 +28,7 @@ from PyQt5.QtCore import Qt
 from PyQt5.QtGui import QTextBlock, QTextCursor, QTextOption
 from PyQt5.QtWidgets import QAction, qApp
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.enum import nwDocAction, nwDocInsert, nwItemLayout
 from novelwriter.constants import nwKeyWords, nwUnicode
 from novelwriter.core.index import countWords
@@ -163,10 +163,10 @@ def testGuiEditor_SaveText(qtbot, monkeypatch, caplog, nwGUI, projPath, ipsumTex
         assert "Could not save document." in caplog.text
 
     # Change header level
-    assert nwGUI.project.tree[C.hSceneDoc].itemLayout == nwItemLayout.DOCUMENT
+    assert SHARED.project.tree[C.hSceneDoc].itemLayout == nwItemLayout.DOCUMENT
     nwGUI.docEditor.replaceText(longText[1:])
     assert nwGUI.docEditor.saveText() is True
-    assert nwGUI.project.tree[C.hSceneDoc].itemLayout == nwItemLayout.DOCUMENT
+    assert SHARED.project.tree[C.hSceneDoc].itemLayout == nwItemLayout.DOCUMENT
 
     # Regular save
     assert nwGUI.docEditor.saveText() is True
@@ -203,9 +203,9 @@ def testGuiEditor_MetaData(qtbot, nwGUI, projPath, mockRnd):
     assert nwGUI.docEditor.setCursorPosition(None) is False
     assert nwGUI.docEditor.setCursorPosition(10) is True
     assert nwGUI.docEditor.getCursorPosition() == 10
-    assert nwGUI.project.tree[C.hSceneDoc].cursorPos != 10
+    assert SHARED.project.tree[C.hSceneDoc].cursorPos != 10
     nwGUI.docEditor.saveCursorPosition()
-    assert nwGUI.project.tree[C.hSceneDoc].cursorPos == 10
+    assert SHARED.project.tree[C.hSceneDoc].cursorPos == 10
 
     assert nwGUI.docEditor.setCursorLine(None) is False
     assert nwGUI.docEditor.setCursorLine(3) is True
@@ -1067,7 +1067,7 @@ def testGuiEditor_Tags(qtbot, nwGUI, projPath, ipsumText, mockRnd):
 
     # Create Character
     theText = "### Jane Doe\n\n@tag: Jane\n\n" + ipsumText[1] + "\n\n"
-    cHandle = nwGUI.project.newFile("Jane Doe", C.hCharRoot)
+    cHandle = SHARED.project.newFile("Jane Doe", C.hCharRoot)
     assert nwGUI.openDocument(cHandle) is True
     assert nwGUI.docEditor.replaceText(theText) is True
     assert nwGUI.saveDocument() is True
@@ -1145,8 +1145,8 @@ def testGuiEditor_WordCounters(qtbot, monkeypatch, nwGUI, projPath, ipsumText, m
     assert nwGUI.docEditor.docFooter.wordsText.text() == "Words: 0 (+0)"
 
     # Open a document and populate it
-    nwGUI.project.tree[C.hSceneDoc]._initCount = 0  # Clear item's count
-    nwGUI.project.tree[C.hSceneDoc]._wordCount = 0  # Clear item's count
+    SHARED.project.tree[C.hSceneDoc]._initCount = 0  # Clear item's count
+    SHARED.project.tree[C.hSceneDoc]._wordCount = 0  # Clear item's count
     assert nwGUI.openDocument(C.hSceneDoc) is True
 
     theText = "\n\n".join(ipsumText)
@@ -1170,9 +1170,9 @@ def testGuiEditor_WordCounters(qtbot, monkeypatch, nwGUI, projPath, ipsumText, m
 
     nwGUI.docEditor.wCounterDoc.run()
     # nwGUI.docEditor._updateDocCounts(cC, wC, pC)
-    assert nwGUI.project.tree[C.hSceneDoc]._charCount == cC
-    assert nwGUI.project.tree[C.hSceneDoc]._wordCount == wC
-    assert nwGUI.project.tree[C.hSceneDoc]._paraCount == pC
+    assert SHARED.project.tree[C.hSceneDoc]._charCount == cC
+    assert SHARED.project.tree[C.hSceneDoc]._wordCount == wC
+    assert SHARED.project.tree[C.hSceneDoc]._paraCount == pC
     assert nwGUI.docEditor.docFooter.wordsText.text() == f"Words: {wC} (+{wC})"
 
     # Select all text
diff --git a/tests/test_gui/test_gui_docviewer.py b/tests/test_gui/test_gui_docviewer.py
index de21171f..cc8bc995 100644
--- a/tests/test_gui/test_gui_docviewer.py
+++ b/tests/test_gui/test_gui_docviewer.py
@@ -27,7 +27,7 @@ from PyQt5.QtCore import Qt, QUrl
 from PyQt5.QtGui import QTextCursor
 from PyQt5.QtWidgets import qApp, QAction
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.enum import nwDocAction
 from novelwriter.core.tohtml import ToHtml
 
@@ -40,8 +40,8 @@ def testGuiViewer_Main(qtbot, monkeypatch, nwGUI, prjLipsum):
 
     # Rebuild the index
     nwGUI.mainMenu.aRebuildIndex.activate(QAction.Trigger)
-    assert nwGUI.project.index._tagsIndex._tags != {}
-    assert nwGUI.project.index._itemIndex._items != {}
+    assert SHARED.project.index._tagsIndex._tags != {}
+    assert SHARED.project.index._itemIndex._items != {}
 
     # Select a document in the project tree
     nwGUI.projView.setSelectedHandle("88243afbe5ed8")
@@ -128,7 +128,7 @@ def testGuiViewer_Main(qtbot, monkeypatch, nwGUI, prjLipsum):
     nwGUI.docViewer.reloadText()
 
     # Change document title
-    nwItem = nwGUI.project.tree["4c4f28287af27"]
+    nwItem = SHARED.project.tree["4c4f28287af27"]
     nwItem.setName("Test Title")
     assert nwItem.itemName == "Test Title"
     nwGUI.docViewer.updateDocInfo("4c4f28287af27")
diff --git a/tests/test_gui/test_gui_guimain.py b/tests/test_gui/test_gui_guimain.py
index 5ca394cd..4f45367c 100644
--- a/tests/test_gui/test_gui_guimain.py
+++ b/tests/test_gui/test_gui_guimain.py
@@ -202,14 +202,14 @@ def testGuiMain_Editing(qtbot, monkeypatch, nwGUI, projPath, tstPaths, mockRnd):
     assert nwGUI.saveProject()
     assert nwGUI.closeProject()
 
-    assert len(nwGUI.project.tree) == 0
-    assert len(nwGUI.project.tree._treeOrder) == 0
-    assert len(nwGUI.project.tree._treeRoots) == 0
-    assert nwGUI.project.tree.trashRoot() is None
-    assert nwGUI.project.data.name == ""
-    assert nwGUI.project.data.title == ""
-    assert nwGUI.project.data.author == ""
-    assert nwGUI.project.data.spellCheck is False
+    assert len(SHARED.project.tree) == 0
+    assert len(SHARED.project.tree._treeOrder) == 0
+    assert len(SHARED.project.tree._treeRoots) == 0
+    assert SHARED.project.tree.trashRoot() is None
+    assert SHARED.project.data.name == ""
+    assert SHARED.project.data.title == ""
+    assert SHARED.project.data.author == ""
+    assert SHARED.project.data.spellCheck is False
 
     # Check the files
     projFile = projPath / "nwProject.nwx"
@@ -222,14 +222,14 @@ def testGuiMain_Editing(qtbot, monkeypatch, nwGUI, projPath, tstPaths, mockRnd):
     assert nwGUI.openProject(projPath)
 
     # Check that we loaded the data
-    assert len(nwGUI.project.tree) == 8
-    assert len(nwGUI.project.tree._treeOrder) == 8
-    assert len(nwGUI.project.tree._treeRoots) == 4
-    assert nwGUI.project.tree.trashRoot() is None
-    assert nwGUI.project.data.name == "New Project"
-    assert nwGUI.project.data.title == "New Novel"
-    assert nwGUI.project.data.author == "Jane Doe"
-    assert nwGUI.project.data.spellCheck is False
+    assert len(SHARED.project.tree) == 8
+    assert len(SHARED.project.tree._treeOrder) == 8
+    assert len(SHARED.project.tree._treeRoots) == 4
+    assert SHARED.project.tree.trashRoot() is None
+    assert SHARED.project.data.name == "New Project"
+    assert SHARED.project.data.title == "New Novel"
+    assert SHARED.project.data.author == "Jane Doe"
+    assert SHARED.project.data.spellCheck is False
 
     # Check that tree items have been created
     assert nwGUI.projView.projTree._getTreeItem(C.hNovelRoot) is not None
diff --git a/tests/test_gui/test_gui_noveltree.py b/tests/test_gui/test_gui_noveltree.py
index ab2812ad..4ada522b 100644
--- a/tests/test_gui/test_gui_noveltree.py
+++ b/tests/test_gui/test_gui_noveltree.py
@@ -29,7 +29,7 @@ from PyQt5.QtGui import QFocusEvent
 from PyQt5.QtCore import Qt, QEvent
 from PyQt5.QtWidgets import QInputDialog, QToolTip
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.enum import nwWidget, nwItemType
 from novelwriter.gui.noveltree import NovelTreeColumn
 from novelwriter.dialogs.editlabel import GuiEditLabel
@@ -48,7 +48,7 @@ def testGuiNovelTree_TreeItems(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     nwGUI.projView.projTree._getTreeItem(C.hCharRoot).setSelected(True)
     nwGUI.projView.projTree.newTreeItem(nwItemType.FILE)
 
-    contentPath = nwGUI.project.storage.contentPath
+    contentPath = SHARED.project.storage.contentPath
     assert isinstance(contentPath, Path)
 
     (contentPath / "0000000000010.nwd").write_text(
diff --git a/tests/test_gui/test_gui_outline.py b/tests/test_gui/test_gui_outline.py
index 4d617b28..85ea4640 100644
--- a/tests/test_gui/test_gui_outline.py
+++ b/tests/test_gui/test_gui_outline.py
@@ -27,7 +27,7 @@ from tools import buildTestProject, writeFile
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QWidget, QAction
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.enum import nwItemClass, nwOutline, nwView
 
 
@@ -71,7 +71,7 @@ def testGuiOutline_Main(qtbot, monkeypatch, nwGUI, projPath):
 
     # Option State
     # ============
-    pOptions = nwGUI.project.options
+    pOptions = SHARED.project.options
     colNames = [h.name for h in nwOutline]
     colItems = [h for h in nwOutline]
     colWidth = {h: outlineTree.DEF_WIDTH[h] for h in nwOutline}
@@ -181,7 +181,7 @@ def testGuiOutline_Content(qtbot, nwGUI, prjLipsum):
     assert outlineBar.novelValue.itemData(2) == ""    # All novels
 
     # Add a second novel folder
-    newHandle = nwGUI.project.newRoot(nwItemClass.NOVEL)
+    newHandle = SHARED.project.newRoot(nwItemClass.NOVEL)
     nwGUI.projView.projTree.revealNewTreeItem(newHandle)
 
     # Check new values in dropdown list
@@ -198,7 +198,7 @@ def testGuiOutline_Content(qtbot, nwGUI, prjLipsum):
         ("Section 4", 4),
     ]
     for dTitle, hLevel in docList:
-        aHandle = nwGUI.project.newFile(dTitle, newHandle)
+        aHandle = SHARED.project.newFile(dTitle, newHandle)
         hHash = "#"*hLevel
         writeFile(prjLipsum / "content" / f"{aHandle}.nwd", f"{hHash} {dTitle}\n\n")
         nwGUI.projView.projTree.revealNewTreeItem(aHandle)
diff --git a/tests/test_gui/test_gui_projtree.py b/tests/test_gui/test_gui_projtree.py
index 83705388..f96ad4e3 100644
--- a/tests/test_gui/test_gui_projtree.py
+++ b/tests/test_gui/test_gui_projtree.py
@@ -30,7 +30,7 @@ from mocked import causeOSError
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QMessageBox, QMenu, QTreeWidgetItem, QDialog
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.enum import nwItemLayout, nwItemType, nwItemClass
 from novelwriter.guimain import GuiMain
 from novelwriter.gui.projtree import GuiProjectTree, GuiProjectView
@@ -46,7 +46,7 @@ def testGuiProjTree_NewItems(qtbot, caplog, monkeypatch, nwGUI, projPath, mockRn
 
     projView = nwGUI.projView
     projTree = nwGUI.projView.projTree
-    theProject = nwGUI.project
+    theProject = SHARED.project
 
     # Try to add item with no project
     assert projView.projTree.newTreeItem(nwItemType.FILE) is False
@@ -260,19 +260,19 @@ def testGuiProjTree_MoveItems(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     # ===========
 
     projView.setSelectedHandle(C.hNovelRoot)
-    assert nwGUI.project.tree._treeOrder.index(C.hNovelRoot) == 0
+    assert SHARED.project.tree._treeOrder.index(C.hNovelRoot) == 0
 
     # Move novel folder up
     assert projTree.moveTreeItem(-1) is False
-    assert nwGUI.project.tree._treeOrder.index(C.hNovelRoot) == 0
+    assert SHARED.project.tree._treeOrder.index(C.hNovelRoot) == 0
 
     # Move novel folder down
     assert projTree.moveTreeItem(1) is True
-    assert nwGUI.project.tree._treeOrder.index(C.hNovelRoot) == 1
+    assert SHARED.project.tree._treeOrder.index(C.hNovelRoot) == 1
 
     # Move novel folder up again
     assert projTree.moveTreeItem(-1) is True
-    assert nwGUI.project.tree._treeOrder.index(C.hNovelRoot) == 0
+    assert SHARED.project.tree._treeOrder.index(C.hNovelRoot) == 0
 
     # Clean up
     # qtbot.stop()
@@ -348,7 +348,7 @@ def testGuiProjTree_RequestDeleteItem(qtbot, caplog, monkeypatch, nwGUI, projPat
         C.hChapterDir, C.hChapterDoc, C.hSceneDoc,
         "0000000000010"
     ]
-    trashHandle = nwGUI.project.tree.trashRoot()
+    trashHandle = SHARED.project.tree.trashRoot()
     assert projTree.getTreeFromHandle(trashHandle) == [
         trashHandle, "0000000000012", "0000000000011"
     ]
@@ -368,7 +368,7 @@ def testGuiProjTree_MoveItemToTrash(qtbot, caplog, monkeypatch, nwGUI, projPath,
     """Test moving items to Trash."""
     monkeypatch.setattr(GuiEditLabel, "getLabel", lambda *a, text: (text, True))
 
-    theProject = nwGUI.project
+    theProject = SHARED.project
     projTree = nwGUI.projView.projTree
 
     # Create a project
@@ -420,7 +420,7 @@ def testGuiProjTree_PermanentlyDeleteItem(qtbot, caplog, monkeypatch, nwGUI, pro
     """Test permanently deleting items."""
     monkeypatch.setattr(GuiEditLabel, "getLabel", lambda *a, text: (text, True))
 
-    theProject = nwGUI.project
+    theProject = SHARED.project
     projTree = nwGUI.projView.projTree
 
     # Create a project
@@ -471,7 +471,7 @@ def testGuiProjTree_EmptyTrash(qtbot, caplog, monkeypatch, nwGUI, projPath, mock
     """Test emptying Trash."""
     monkeypatch.setattr(GuiEditLabel, "getLabel", lambda *a, text: (text, True))
 
-    theProject = nwGUI.project
+    theProject = SHARED.project
     projTree = nwGUI.projView.projTree
 
     # No project open
@@ -541,16 +541,16 @@ def testGuiProjTree_ContextMenu(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     projTree.setExpandedFromHandle(None, True)
 
     projTree._addTrashRoot()
-    hTrashRoot = nwGUI.project.tree.trashRoot()
+    hTrashRoot = SHARED.project.tree.trashRoot()
 
     projTree.setSelectedHandle(C.hCharRoot)
     projTree.newTreeItem(nwItemType.FILE)
     projTree.setSelectedHandle(C.hNovelRoot)
     projTree.newTreeItem(nwItemType.FILE, isNote=True)
 
-    nwGUI.project.newFile("SubNote", hNovelNote)
+    SHARED.project.newFile("SubNote", hNovelNote)
     projTree.revealNewTreeItem(hSubNote)
-    assert nwGUI.project.tree[hSubNote].itemParent == hNovelNote
+    assert SHARED.project.tree[hSubNote].itemParent == hNovelNote
 
     def itemPos(tHandle):
         return projTree.visualItemRect(projTree._getTreeItem(tHandle)).center()
@@ -578,7 +578,7 @@ def testGuiProjTree_ContextMenu(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     # Direct Edit Functions
     # =====================
     # Trigger the dedicated functions the menu entries connect to
-    nwItem = nwGUI.project.tree[hNovelNote]
+    nwItem = SHARED.project.tree[hNovelNote]
 
     # Toggle active flag
     assert nwItem.isActive is True
@@ -619,17 +619,17 @@ def testGuiProjTree_ContextMenu(qtbot, monkeypatch, nwGUI, projPath, mockRnd):
     with monkeypatch.context() as mp:
         mp.setattr(QMessageBox, "result", lambda *a: QMessageBox.No)
         projTree._covertFolderToFile(hNewFolderOne, nwItemLayout.DOCUMENT)
-        assert nwGUI.project.tree[hNewFolderOne].isFolderType()
+        assert SHARED.project.tree[hNewFolderOne].isFolderType()
 
     # Convert the first folder to a document
     projTree._covertFolderToFile(hNewFolderOne, nwItemLayout.DOCUMENT)
-    assert nwGUI.project.tree[hNewFolderOne].isFileType()
-    assert nwGUI.project.tree[hNewFolderOne].isDocumentLayout()
+    assert SHARED.project.tree[hNewFolderOne].isFileType()
+    assert SHARED.project.tree[hNewFolderOne].isDocumentLayout()
 
     # Convert the second folder to a note
     projTree._covertFolderToFile(hNewFolderTwo, nwItemLayout.NOTE)
-    assert nwGUI.project.tree[hNewFolderTwo].isFileType()
-    assert nwGUI.project.tree[hNewFolderTwo].isNoteLayout()
+    assert SHARED.project.tree[hNewFolderTwo].isFileType()
+    assert SHARED.project.tree[hNewFolderTwo].isNoteLayout()
 
     # qtbot.stop()
 
@@ -649,7 +649,7 @@ def testGuiProjTree_MergeDocuments(qtbot, monkeypatch, nwGUI, projPath, mockRnd,
     # Create a project
     buildTestProject(nwGUI, projPath)
 
-    theProject = nwGUI.project
+    theProject = SHARED.project
     projTree = nwGUI.projView.projTree
 
     mergedDoc1 = "0000000000014"
@@ -751,7 +751,7 @@ def testGuiProjTree_SplitDocument(qtbot, monkeypatch, nwGUI, projPath, mockRnd,
     # Create a project
     buildTestProject(nwGUI, projPath)
 
-    theProject = nwGUI.project
+    theProject = SHARED.project
     projTree = nwGUI.projView.projTree
 
     docText = (
@@ -852,7 +852,7 @@ def testGuiProjTree_Duplicate(qtbot, monkeypatch, nwGUI: GuiMain, projPath, mock
     """Test the duplicate items function."""
     # Create a project
     buildTestProject(nwGUI, projPath)
-    assert len(nwGUI.project.tree) == 8
+    assert len(SHARED.project.tree) == 8
 
     projTree = nwGUI.projView.projTree
     projTree._getTreeItem(C.hNovelRoot).setExpanded(True)  # type: ignore
@@ -860,28 +860,28 @@ def testGuiProjTree_Duplicate(qtbot, monkeypatch, nwGUI: GuiMain, projPath, mock
 
     # Nothing to do
     assert projTree._duplicateFromHandle(C.hInvalid) is False
-    assert len(nwGUI.project.tree) == 8
+    assert len(SHARED.project.tree) == 8
 
     # Duplicate title page, but select no
     with monkeypatch.context() as mp:
         mp.setattr(QMessageBox, "result", lambda *a: QMessageBox.No)
         assert projTree._duplicateFromHandle(C.hTitlePage) is False
-        assert len(nwGUI.project.tree) == 8
+        assert len(SHARED.project.tree) == 8
 
     # Duplicate title page
     assert projTree._duplicateFromHandle(C.hTitlePage) is True
-    assert len(nwGUI.project.tree) == 9
+    assert len(SHARED.project.tree) == 9
 
     # Duplicate folder
     assert projTree._duplicateFromHandle(C.hChapterDir) is True
-    assert len(nwGUI.project.tree) == 12
+    assert len(SHARED.project.tree) == 12
 
     # Duplicate novel root
     assert projTree._duplicateFromHandle(C.hNovelRoot) is True
-    assert len(nwGUI.project.tree) == 21
+    assert len(SHARED.project.tree) == 21
 
     # Check tree order that all items are next to eachother
-    assert nwGUI.project.tree._treeOrder == [
+    assert SHARED.project.tree._treeOrder == [
         C.hNovelRoot, C.hTitlePage, "0000000000010", C.hChapterDir, C.hChapterDoc, C.hSceneDoc,
         "0000000000011", "0000000000012", "0000000000013", "0000000000014", "0000000000015",
         "0000000000016", "0000000000017", "0000000000018", "0000000000019", "000000000001a",
@@ -889,7 +889,7 @@ def testGuiProjTree_Duplicate(qtbot, monkeypatch, nwGUI: GuiMain, projPath, mock
     ]
 
     # Make the duplicator stop early
-    content = nwGUI.project.storage.contentPath
+    content = SHARED.project.storage.contentPath
     assert isinstance(content, Path)
     (content / "000000000001e.nwd").touch()
     assert (content / "000000000001e.nwd").exists()
@@ -897,7 +897,7 @@ def testGuiProjTree_Duplicate(qtbot, monkeypatch, nwGUI: GuiMain, projPath, mock
     # Should only create the folder, and skip the two files because the
     # next handle is already a file
     assert projTree._duplicateFromHandle(C.hChapterDir) is True
-    assert len(nwGUI.project.tree) == 22
+    assert len(SHARED.project.tree) == 22
 
     # qtbot.stop()
 
@@ -938,13 +938,13 @@ def testGuiProjTree_Other(qtbot, monkeypatch, nwGUI: GuiMain, projPath, mockRnd)
     assert projTree.revealNewTreeItem(C.hInvalid) is False
 
     # Try to add an orphaned file to the tree
-    nHandle = nwGUI.project.newFile("Test", C.hNovelRoot)
-    nwGUI.project.tree[nHandle].setParent(None)  # type: ignore
+    nHandle = SHARED.project.newFile("Test", C.hNovelRoot)
+    SHARED.project.tree[nHandle].setParent(None)  # type: ignore
     assert projTree.revealNewTreeItem(nHandle) is False
 
     # Try to add an item with unknown parent to the tree
-    nHandle = nwGUI.project.newFile("Test", C.hNovelRoot)
-    nwGUI.project.tree[nHandle].setParent(C.hInvalid)  # type: ignore
+    nHandle = SHARED.project.newFile("Test", C.hNovelRoot)
+    SHARED.project.tree[nHandle].setParent(C.hInvalid)  # type: ignore
     assert projTree.revealNewTreeItem(nHandle) is False
 
     # Method: undoLastMove
diff --git a/tests/test_gui/test_gui_statusbar.py b/tests/test_gui/test_gui_statusbar.py
index 701a2d07..2a024f8a 100644
--- a/tests/test_gui/test_gui_statusbar.py
+++ b/tests/test_gui/test_gui_statusbar.py
@@ -24,7 +24,7 @@ import pytest
 
 from tools import C, buildTestProject
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.extensions.statusled import StatusLED
 
 
@@ -32,8 +32,8 @@ from novelwriter.extensions.statusled import StatusLED
 def testGuiStatusBar_Main(qtbot, nwGUI, projPath, mockRnd):
     """Test the the various features of the status bar."""
     buildTestProject(nwGUI, projPath)
-    cHandle = nwGUI.project.newFile("A Note", C.hCharRoot)
-    newDoc = nwGUI.project.storage.getDocument(cHandle)
+    cHandle = SHARED.project.newFile("A Note", C.hCharRoot)
+    newDoc = SHARED.project.storage.getDocument(cHandle)
     newDoc.writeDocument("# A Note\n\n")
     nwGUI.projView.projTree.revealNewTreeItem(cHandle)
     nwGUI.rebuildIndex(beQuiet=True)
diff --git a/tests/test_tools/test_tools_manuscript.py b/tests/test_tools/test_tools_manuscript.py
index 9d58554d..af8a8146 100644
--- a/tests/test_tools/test_tools_manuscript.py
+++ b/tests/test_tools/test_tools_manuscript.py
@@ -32,7 +32,7 @@ from PyQt5.QtCore import Qt, pyqtSlot
 from PyQt5.QtWidgets import QDialogButtonBox
 from PyQt5.QtPrintSupport import QPrintPreviewDialog
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.guimain import GuiMain
 from novelwriter.core.buildsettings import BuildSettings
 from novelwriter.tools.manuscript import GuiManuscript
@@ -45,7 +45,7 @@ def testManuscript_Init(monkeypatch, qtbot: QtBot, nwGUI: GuiMain, projPath: Pat
     """Test the init/main functionality of the GuiManuscript dialog."""
     buildTestProject(nwGUI, projPath)
     nwGUI.openProject(projPath)
-    nwGUI.project.storage.getDocument(C.hChapterDoc).writeDocument("## A Chapter\n\n\t\tHi")
+    SHARED.project.storage.getDocument(C.hChapterDoc).writeDocument("## A Chapter\n\n\t\tHi")
     allText = "New Novel\nBy Jane Doe\nA Chapter\n\t\tHi\n* * *"
 
     manus = GuiManuscript(nwGUI)
@@ -159,7 +159,7 @@ def testManuscript_Features(monkeypatch, qtbot: QtBot, nwGUI: GuiMain, projPath:
     manus.show()
     manus.loadContent()
 
-    cacheFile = CONFIG.dataPath("cache") / f"build_{nwGUI.project.data.uuid}.json"
+    cacheFile = CONFIG.dataPath("cache") / f"build_{SHARED.project.data.uuid}.json"
     manus.buildList.setCurrentRow(0)
     build = manus._getSelectedBuild()
     assert isinstance(build, BuildSettings)
diff --git a/tests/test_tools/test_tools_manussettings.py b/tests/test_tools/test_tools_manussettings.py
index deccca1c..1371caf0 100644
--- a/tests/test_tools/test_tools_manussettings.py
+++ b/tests/test_tools/test_tools_manussettings.py
@@ -21,16 +21,16 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 
 import pytest
 
-from tools import C, buildTestProject
-
 from pathlib import Path
 from pytestqt.qtbot import QtBot
 
+from tools import C, buildTestProject
+
 from PyQt5.QtGui import QFont
 from PyQt5.QtCore import pyqtSlot
 from PyQt5.QtWidgets import QDialogButtonBox, QFontDialog
 
-from novelwriter import CONFIG
+from novelwriter import CONFIG, SHARED
 from novelwriter.guimain import GuiMain
 from novelwriter.constants import nwHeadFmt
 from novelwriter.core.buildsettings import BuildSettings, FilterMode
@@ -128,11 +128,11 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
         "worldRoot": 9,
     }
 
-    hPlotDoc = nwGUI.project.newFile("Main Plot", C.hPlotRoot)
-    hCharDoc = nwGUI.project.newFile("Jane Doe", C.hCharRoot)
+    hPlotDoc = SHARED.project.newFile("Main Plot", C.hPlotRoot)
+    hCharDoc = SHARED.project.newFile("Jane Doe", C.hCharRoot)
     nwGUI.projView.projTree.revealNewTreeItem(hPlotDoc)
     nwGUI.projView.projTree.revealNewTreeItem(hCharDoc)
-    nwGUI.project.tree[hPlotDoc].setActive(False)  # type: ignore
+    SHARED.project.tree[hPlotDoc].setActive(False)  # type: ignore
 
     # Create the dialog and populate it
     bSettings = GuiBuildSettings(nwGUI, build)
@@ -167,7 +167,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
 
     # Switch off novel docs
     filterTab.filterOpt._widgets[switchMap["incNovel"]].setChecked(False)
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (False, FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -182,7 +182,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
 
     # Switch on note docs
     filterTab.filterOpt._widgets[switchMap["incNotes"]].setChecked(True)
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (False, FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -197,7 +197,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
 
     # Switch on inactive docs
     filterTab.filterOpt._widgets[switchMap["incInactive"]].setChecked(True)
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (False, FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -214,7 +214,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
     filterTab._treeMap[C.hChapterDoc].setSelected(True)
     filterTab._treeMap[C.hSceneDoc].setSelected(True)
     filterTab.includedButton.click()
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (False, FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -232,7 +232,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
     filterTab._treeMap[hPlotDoc].setSelected(True)  # type: ignore
     filterTab._treeMap[hCharDoc].setSelected(True)  # type: ignore
     filterTab.excludedButton.click()
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (False, FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -247,7 +247,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
 
     # Switch on novel docs
     filterTab.filterOpt._widgets[switchMap["incNovel"]].setChecked(True)
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (True,  FilterMode.FILTERED),  # Now enabled
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -264,7 +264,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
     filterTab.optTree.clearSelection()
     filterTab._treeMap[C.hNovelRoot].setSelected(True)
     filterTab.resetButton.click()
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (True,  FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -284,7 +284,7 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
     filterTab._treeMap[hPlotDoc].setSelected(True)  # type: ignore
     filterTab._treeMap[hCharDoc].setSelected(True)  # type: ignore
     filterTab.resetButton.click()
-    assert build.buildItemFilter(nwGUI.project) == {
+    assert build.buildItemFilter(SHARED.project) == {
         C.hNovelRoot:  (False, FilterMode.SKIPPED),
         C.hTitlePage:  (True,  FilterMode.FILTERED),
         C.hChapterDir: (False, FilterMode.SKIPPED),
@@ -302,8 +302,8 @@ def testBuildSettings_Filter(qtbot: QtBot, nwGUI: GuiMain, projPath: Path, mockR
         C.hNovelRoot, C.hTitlePage, C.hChapterDir, C.hChapterDoc, C.hSceneDoc,
         C.hPlotRoot, hPlotDoc, C.hCharRoot, hCharDoc,
     ]
-    nwGUI.project.tree[hCharDoc].setRoot(None)  # type: ignore
-    nwGUI.project.tree[hPlotDoc].setParent(None)  # type: ignore
+    SHARED.project.tree[hCharDoc].setRoot(None)  # type: ignore
+    SHARED.project.tree[hPlotDoc].setParent(None)  # type: ignore
     filterTab._populateTree()
     assert list(filterTab._treeMap.keys()) == [
         C.hNovelRoot, C.hTitlePage, C.hChapterDir, C.hChapterDoc, C.hSceneDoc,
diff --git a/tests/test_tools/test_tools_writingstats.py b/tests/test_tools/test_tools_writingstats.py
index 50d78f2a..64de8775 100644
--- a/tests/test_tools/test_tools_writingstats.py
+++ b/tests/test_tools/test_tools_writingstats.py
@@ -20,15 +20,17 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 """
 
 import json
-from pathlib import Path
 import pytest
 
+from pathlib import Path
+
 from tools import getGuiItem, buildTestProject
 from mocked import causeOSError
 
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QAction, QFileDialog
 
+from novelwriter import SHARED
 from novelwriter.constants import nwFiles
 from novelwriter.tools.writingstats import GuiWritingStats
 
@@ -39,7 +41,7 @@ def testToolWritingStats_Main(qtbot, monkeypatch, nwGUI, projPath, tstPaths):
     """
     # Create a project to work on
     buildTestProject(nwGUI, projPath)
-    project = nwGUI.project
+    project = SHARED.project
 
     qtbot.wait(100)
     assert nwGUI.saveProject()
diff --git a/tests/tools.py b/tests/tools.py
index f96b5259..6230d1a2 100644
--- a/tests/tools.py
+++ b/tests/tools.py
@@ -165,8 +165,9 @@ def buildTestProject(obj, projPath):
         nwGUI = None
         project = obj
     else:
+        from novelwriter import SHARED
         nwGUI = obj
-        project = obj.project
+        project = SHARED.project
 
     project.storage.openProjectInPlace(projPath)
     project.setDefaultStatusImport()