diff --git a/app/scodoc/notes_table.py b/app/scodoc/notes_table.py
index 2f75395f54..6e849893f1 100644
--- a/app/scodoc/notes_table.py
+++ b/app/scodoc/notes_table.py
@@ -72,10 +72,6 @@ from app.scodoc import sco_preferences
 from app.scodoc import sco_etud
 
 
-# Support for old user-written "bonus" functions with 2 args:
-BONUS_TWO_ARGS = len(inspect.getargspec(scu.CONFIG.compute_bonus)[0]) == 2
-
-
 def comp_ranks(T):
     """Calcul rangs à partir d'une liste ordonnée de tuples [ (valeur, ..., etudid) ]
     (valeur est une note numérique), en tenant compte des ex-aequos
@@ -934,15 +930,9 @@ class NotesTable(object):
                     if len(coefs_bonus_gen) == 1:
                         coefs_bonus_gen = [1.0]  # irrelevant, may be zero
 
-                    if BONUS_TWO_ARGS:
-                        # backward compat: compute_bonus took only 2 args
-                        bonus = scu.CONFIG.compute_bonus(
-                            notes_bonus_gen, coefs_bonus_gen
-                        )
-                    else:
-                        bonus = scu.CONFIG.compute_bonus(
-                            notes_bonus_gen, coefs_bonus_gen, infos=infos
-                        )
+                    bonus = scu.CONFIG.compute_bonus(
+                        notes_bonus_gen, coefs_bonus_gen, infos=infos
+                    )
                 self.bonus[etudid] = bonus
                 infos["moy"] += bonus
                 infos["moy"] = min(infos["moy"], 20.0)  # clip bogus bonus