diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py
index e2913e944..4958b2222 100644
--- a/Tests/test_file_png.py
+++ b/Tests/test_file_png.py
@@ -776,7 +776,7 @@ class TestFilePng:
 
         mystdout: MyStdOut | BytesIO = MyStdOut() if buffer else BytesIO()
 
-        sys.stdout = mystdout  # type: ignore[assignment]
+        sys.stdout = mystdout
 
         with Image.open(TEST_PNG_FILE) as im:
             im.save(sys.stdout, "PNG")
diff --git a/Tests/test_file_ppm.py b/Tests/test_file_ppm.py
index d6451ec18..0a61830a4 100644
--- a/Tests/test_file_ppm.py
+++ b/Tests/test_file_ppm.py
@@ -373,7 +373,7 @@ def test_save_stdout(buffer: bool) -> None:
 
     mystdout: MyStdOut | BytesIO = MyStdOut() if buffer else BytesIO()
 
-    sys.stdout = mystdout  # type: ignore[assignment]
+    sys.stdout = mystdout
 
     with Image.open(TEST_FILE) as im:
         im.save(sys.stdout, "PPM")
diff --git a/Tests/test_psdraw.py b/Tests/test_psdraw.py
index 130ffa863..c3afa9089 100644
--- a/Tests/test_psdraw.py
+++ b/Tests/test_psdraw.py
@@ -59,7 +59,7 @@ def test_stdout(buffer: bool) -> None:
 
     mystdout: MyStdOut | BytesIO = MyStdOut() if buffer else BytesIO()
 
-    sys.stdout = mystdout  # type: ignore[assignment]
+    sys.stdout = mystdout
 
     ps = PSDraw.PSDraw()
     _create_document(ps)