diff --git a/mesonbuild/dependencies/cuda.py b/mesonbuild/dependencies/cuda.py
index 6bc0f05e3..bdd2f500b 100644
--- a/mesonbuild/dependencies/cuda.py
+++ b/mesonbuild/dependencies/cuda.py
@@ -259,9 +259,9 @@ class CudaDependency(SystemDependency):
     def _report_dependency_error(self, msg: str) -> None: ...
 
     @T.overload
-    def _report_dependency_error(self, msg: str, ret_val: TV_ResultTuple) -> TV_ResultTuple: ...
+    def _report_dependency_error(self, msg: str, ret_val: TV_ResultTuple) -> TV_ResultTuple: ... # noqa: F811
 
-    def _report_dependency_error(self, msg: str, ret_val: T.Optional[TV_ResultTuple] = None) -> T.Optional[TV_ResultTuple]:
+    def _report_dependency_error(self, msg: str, ret_val: T.Optional[TV_ResultTuple] = None) -> T.Optional[TV_ResultTuple]: # noqa: F811
         if self.required:
             raise DependencyException(msg)
 
diff --git a/mesonbuild/interpreter/interpreter.py b/mesonbuild/interpreter/interpreter.py
index bef3f678e..877326999 100644
--- a/mesonbuild/interpreter/interpreter.py
+++ b/mesonbuild/interpreter/interpreter.py
@@ -2517,9 +2517,9 @@ Try setting b_lundef to false instead.'''.format(self.coredata.options[OptionKey
     def source_strings_to_files(self, sources: T.List['mesonlib.FileOrString']) -> T.List['mesonlib.File']: ...
 
     @T.overload
-    def source_strings_to_files(self, sources: T.List['SourceInputs']) -> T.List['SourceOutputs']: ...
+    def source_strings_to_files(self, sources: T.List['SourceInputs']) -> T.List['SourceOutputs']: ... # noqa: F811
 
-    def source_strings_to_files(self, sources: T.List['SourceInputs']) -> T.List['SourceOutputs']:
+    def source_strings_to_files(self, sources: T.List['SourceInputs']) -> T.List['SourceOutputs']: # noqa: F811
         """Lower inputs to a list of Targets and Files, replacing any strings.
 
         :param sources: A raw (Meson DSL) list of inputs (targets, files, and