diff --git a/tests/test_utils_get_adj.py b/tests/test_utils_get_adj.py
index 5e7672683..9718a8a7b 100644
--- a/tests/test_utils_get_adj.py
+++ b/tests/test_utils_get_adj.py
@@ -5,11 +5,28 @@ from slic.core.adjustable import Adjustable
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 from slic.utils.get_adj import *
 
-@pytest.fixture(autouse=True)
-def cleanup_adjustables():
-    instances(Adjustable, weak=True).clear() 
-    yield
-    instances(Adjustable, weak=True).clear() 
+def unregister_adj(target):
+    weak_set = instances(Adjustable, weak=True)
+    removed = 0
+
+    # Normaliser en liste
+    targets = target if isinstance(target, (list, tuple, set)) else [target]
+
+    for item in targets:
+        if isinstance(item, Adjustable):
+            if item in weak_set:
+                weak_set.discard(item)
+                removed += 1
+        elif isinstance(item, str):
+            to_remove = [obj for obj in weak_set if obj.name == item]
+            for obj in to_remove:
+                weak_set.discard(obj)
+            removed += len(to_remove)
+        else:
+            raise TypeError("target must be Adjustable, str, or iterable thereof")
+
+    return removed
+
 
 class SubAdjustable(Adjustable):
     def __init__(self, *a, **kw):
@@ -37,6 +54,7 @@ def real_adjustables():
 def test_get_adj_success(real_adjustables):
     a1, _, _ = real_adjustables
     assert get_adj("brightness") is a1
+    unregister_adj([a1, a1, a3])
 
 
 def test_get_adj_not_found(capfd):
@@ -48,6 +66,7 @@ def test_ensure_adjs_mixed(real_adjustables):
     a1, a2, a3 = real_adjustables
     result = ensure_adjs(["contrast", a1, "debug_internal"])
     assert result == (a2, a1, a3)
+    unregister_adj([a1, a1, a3])
 
 
 def test_get_adjs_filter(real_adjustables):
@@ -56,3 +75,4 @@ def test_get_adjs_filter(real_adjustables):
     assert public == {"brightness": a1, "contrast": a2}
     all_ = get_adjs(include_internal=True)
     assert all_ == {"brightness": a1, "contrast": a2, "debug_internal": a3}
+    unregister_adj([a1, a1, a3])