diff --git a/tests/test_utils_get_adj.py b/tests/test_utils_get_adj.py
index 2afe635af..ebeecfbfd 100644
--- a/tests/test_utils_get_adj.py
+++ b/tests/test_utils_get_adj.py
@@ -21,7 +21,7 @@ class SubAdjustable(Adjustable):
     def is_moving(self):
         return False
 
-def test_get_adj_success(SubAdjustable):
+def test_get_adj_success():
     a1 = SubAdjustable("brightness",       units="%", limit_low=0,   limit_high=100)
     assert get_adj("brightness") is a1
 
@@ -29,13 +29,13 @@ def test_get_adj_not_found(capfd):
     with pytest.raises(ValueError, match='could not find Adjustable with name "nonexistent"') as exc_info:
         get_adj("nonexistent")
 
-def test_ensure_adjs_mixed(SubAdjustable):
+def test_ensure_adjs_mixed():
     a2 = SubAdjustable("contrast",         units="%", limit_low=0,   limit_high=100)
     a3 = SubAdjustable("mid_contrast",         units="%", limit_low=0,   limit_high=100)
     result = ensure_adjs([a3, "contrast"])
     assert result == (a3, a2)
 
-def test_get_adjs_filter(SubAdjustable):
+def test_get_adjs_filter():
     a4 = SubAdjustable("mid_brightness",         units="%", limit_low=0,   limit_high=100)
     a5 = SubAdjustable("debug_internal",   internal=True)
     public = get_adjs()