diff --git a/mir_eval/chord.py b/mir_eval/chord.py
index d2488d12..a5b2d64d 100644
--- a/mir_eval/chord.py
+++ b/mir_eval/chord.py
@@ -261,15 +261,11 @@ def scale_degree_to_bitmap(scale_degree, modulo=False, length=BITMAP_LENGTH):
     "maj9": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1],
     "min9": [1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0],
     "9": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
-    "b9": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
-    "#9": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
     "min11": [1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0],
     "11": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
-    "#11": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
     "maj13": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1],
     "min13": [1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0],
     "13": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
-    "b13": [1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0],
     "1": [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
     "5": [1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
     "": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
diff --git a/tests/test_chord.py b/tests/test_chord.py
index 35e8b484..e8db17fa 100644
--- a/tests/test_chord.py
+++ b/tests/test_chord.py
@@ -638,3 +638,11 @@ def test_validate():
     # Test that error is thrown on different-length labels
     with pytest.raises(ValueError):
         mir_eval.chord.validate([], ["C"])
+
+
+@pytest.mark.parametrize("quality", list(mir_eval.chord.QUALITIES.keys()))
+def test_chord_qualities(quality):
+    if len(quality) > 0:
+        mir_eval.chord.encode(f"C:{quality}", reduce_extended_chords=True)
+    else:
+        mir_eval.chord.encode("C", reduce_extended_chords=True)