diff --git a/core/tests/javascript/terminal.py b/core/tests/javascript/terminal.py
index 731afad113f..597f2a57512 100644
--- a/core/tests/javascript/terminal.py
+++ b/core/tests/javascript/terminal.py
@@ -2,7 +2,7 @@
 
 classList = document.documentElement.classList
 
-if not __terminal__:
+if not __terminal__:  # noqa: F821  __terminal__ is defined in core/src/plugins/donkey.js
     classList.add("error")
 else:
     classList.add("ok")
diff --git a/core/tests/manual/game/aliens.py b/core/tests/manual/game/aliens.py
index 78ebf656766..38c1773d5c8 100644
--- a/core/tests/manual/game/aliens.py
+++ b/core/tests/manual/game/aliens.py
@@ -318,16 +318,12 @@ async def main(winstyle=0):
                 if not fullscreen:
                     print("Changing to FULLSCREEN")
                     screen_backup = screen.copy()
-                    screen = pygame.display.set_mode(
-                        SCREENRECT.size, winstyle | pygame.FULLSCREEN, bestdepth
-                    )
+                    screen = pygame.display.set_mode(SCREENRECT.size, winstyle | pygame.FULLSCREEN)
                     screen.blit(screen_backup, (0, 0))
                 else:
                     print("Changing to windowed mode")
                     screen_backup = screen.copy()
-                    screen = pygame.display.set_mode(
-                        SCREENRECT.size, winstyle, bestdepth
-                    )
+                    screen = pygame.display.set_mode(SCREENRECT.size, winstyle)
                     screen.blit(screen_backup, (0, 0))
                 pygame.display.flip()
                 fullscreen = not fullscreen
diff --git a/core/tests/manual/issue-2302/libthree.py b/core/tests/manual/issue-2302/libthree.py
index 2c0c675d528..d84da821b3f 100644
--- a/core/tests/manual/issue-2302/libthree.py
+++ b/core/tests/manual/issue-2302/libthree.py
@@ -140,7 +140,7 @@ def get_stats_gl(renderer):
 
 def bg_from_v(*vertices):
     geometry = new(THREE.BufferGeometry)
-    vertices_f32a = new(Float32Array, vertices)
+    vertices_f32a = new(Float32Array, vertices)  # noqa: F821 Float32Array is defined in js
     attr = new(THREE.Float32BufferAttribute, vertices_f32a, 3)
     return geometry.setAttribute('position', attr)
 
diff --git a/core/tests/python/tests/test_util.py b/core/tests/python/tests/test_util.py
index ebf15c6b6de..4c98a41ae01 100644
--- a/core/tests/python/tests/test_util.py
+++ b/core/tests/python/tests/test_util.py
@@ -11,7 +11,7 @@ def test_as_bytearray():
     msg = b"Hello, world!"
     buffer = js.ArrayBuffer.new(len(msg))
     ui8a = js.Uint8Array.new(buffer)
-    for b in msg:
+    for i, b in enumerate(msg):
         ui8a[i] = b
     ba = util.as_bytearray(buffer)
     assert isinstance(ba, bytearray)
diff --git a/pyproject.toml b/pyproject.toml
index f1650d59e51..be1d3069fa1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,5 +5,5 @@ skip = "*.js,*.json"
 [tool.ruff]
 line-length = 114
 lint.select = ["C4", "C90", "E", "EM", "F", "PIE", "PYI", "PLC", "Q", "RET", "W"]
-lint.ignore = ["E402", "E722", "E731", "E741", "F401", "F704", "F821", "PLC0415"]
+lint.ignore = ["E402", "E722", "E731", "E741", "F401", "F704", "PLC0415"]
 lint.mccabe.max-complexity = 27