diff --git a/mesonbuild/mintro.py b/mesonbuild/mintro.py
index 9657da7c6..14f8d86b6 100644
--- a/mesonbuild/mintro.py
+++ b/mesonbuild/mintro.py
@@ -477,14 +477,18 @@ def list_machines(builddata: build.Build) -> T.Dict[str, T.Dict[str, T.Union[str
     return machines
 
 def list_projinfo(builddata: build.Build) -> T.Dict[str, T.Union[str, T.List[T.Dict[str, str]]]]:
-    result = {'version': builddata.project_version,
-              'descriptive_name': builddata.project_name,
-              'subproject_dir': builddata.subproject_dir}    # type: T.Dict[str, T.Union[str, T.List[T.Dict[str, str]]]]
+    result: T.Dict[str, T.Union[str, T.List[T.Dict[str, str]]]] = {
+        'version': builddata.project_version,
+        'descriptive_name': builddata.project_name,
+        'subproject_dir': builddata.subproject_dir,
+    }
     subprojects = []
     for k, v in builddata.subprojects.items():
-        c = {'name': k,
-             'version': v,
-             'descriptive_name': builddata.projects.get(k)}  # type: T.Dict[str, str]
+        c: T.Dict[str, str] = {
+            'name': k,
+            'version': v,
+            'descriptive_name': builddata.projects.get(k),
+        }
         subprojects.append(c)
     result['subprojects'] = subprojects
     return result
diff --git a/mesonbuild/mtest.py b/mesonbuild/mtest.py
index 2ee337c8b..36afd6128 100644
--- a/mesonbuild/mtest.py
+++ b/mesonbuild/mtest.py
@@ -770,14 +770,16 @@ class TextLogfileBuilder(TestFileLogger):
 
 class JsonLogfileBuilder(TestFileLogger):
     def log(self, harness: 'TestHarness', result: 'TestRun') -> None:
-        jresult = {'name': result.name,
-                   'stdout': result.stdo,
-                   'result': result.res.value,
-                   'starttime': result.starttime,
-                   'duration': result.duration,
-                   'returncode': result.returncode,
-                   'env': result.env,
-                   'command': result.cmd}  # type: T.Dict[str, T.Any]
+        jresult: T.Dict[str, T.Any] = {
+            'name': result.name,
+            'stdout': result.stdo,
+            'result': result.res.value,
+            'starttime': result.starttime,
+            'duration': result.duration,
+            'returncode': result.returncode,
+            'env': result.env,
+            'command': result.cmd,
+        }
         if result.stde:
             jresult['stderr'] = result.stde
         self.file.write(json.dumps(jresult) + '\n')