diff --git a/novelwriter/core/index.py b/novelwriter/core/index.py
index b4bdaba5..1097294c 100644
--- a/novelwriter/core/index.py
+++ b/novelwriter/core/index.py
@@ -605,7 +605,7 @@ class Index:
         """Get all headings for a specific item."""
         if tItem := self._itemIndex[tHandle]:
             yield from tItem.items()
-        return []
+        return
 
     def novelStructure(
         self, rootHandle: str | None = None, activeOnly: bool = True
diff --git a/novelwriter/gui/editordocument.py b/novelwriter/gui/editordocument.py
index 79754656..e2753038 100644
--- a/novelwriter/gui/editordocument.py
+++ b/novelwriter/gui/editordocument.py
@@ -137,7 +137,7 @@ class GuiTextDocument(QTextDocument):
             if count < maxCount and block.isValid() and block.userState() & cType > 0:
                 count += 1
                 yield block
-        return None
+        return
 
     ##
     #  Public Slots
diff --git a/pyproject.toml b/pyproject.toml
index d22d9bd3..76bff95a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,6 +59,7 @@ forced_separate = ["tests.*"]
 line-length = 99
 
 [tool.ruff.lint]
+preview = true
 select = [
     "A",   # flake8-builtins (A)
     "B",   # flake8-bugbear (B)
@@ -67,7 +68,6 @@ select = [
     "W",   # pycodestyle (W)
     "UP",  # pyupgrade (UP)
     "ANN", # flake8-annotations (ANN)
-    "PLC", # Pylint Convention (PLC)
     "PLE", # Pylint Error (PLE)
     "FA",  # flake8-future-annotations (FA)
 ]
@@ -76,6 +76,7 @@ ignore = [
     "E226",   # missing-whitespace-around-arithmetic-operator
     "E228",   # missing-whitespace-around-modulo-operator
     "E241",   # multiple-spaces-after-comma
+    "E272",   # multiple-spaces-before-keyword
     "ANN401", # any-type
     "UP015",  # redundant-open-modes
     "UP030",  # format-literals
@@ -92,11 +93,6 @@ include = ["novelwriter"]
 exclude = ["**/__pycache__"]
 
 reportIncompatibleMethodOverride = false
-reportGeneralTypeIssues = "information"
-reportOptionalMemberAccess = "information"
-reportOptionalOperand = "information"
-reportOptionalSubscript = "information"
-reportUnboundVariable = "error"
 
 pythonVersion = "3.10"