diff --git a/api/s12_curves.py b/api/s12_curves.py
index 83c39e8..34780b0 100644
--- a/api/s12_curves.py
+++ b/api/s12_curves.py
@@ -156,35 +156,6 @@ def inp_out_curve(name: str) -> list[str]:
     return lines
 
 
-'''def inp_in_curve_v3(section: list[str]) -> ChangeSet:
-    types = {}
-    curves: dict[str, list[dict[str, float]]] = {}
-
-    count = len(section)
-    for i in range(0, count):
-        if section[i].startswith(';'):
-            continue
-
-        tokens = section[i].split()
-
-        # for EPA3
-        if tokens[1] == 'PUMP' or tokens[1] == 'EFFICIENCY' or tokens[1] == 'VOLUME' or tokens[1] == 'HEADLOSS':
-            types[tokens[0]] = tokens[1]
-            continue
-
-        if tokens[0] not in curves:
-            curves[tokens[0]] = []
-        curves[tokens[0]].append({'x': float(tokens[1]), 'y': float(tokens[2])})
-
-    cs = ChangeSet()
-    for id, coords in curves.items():
-        c_type = types[id] if id in types else CURVE_TYPE_PUMP
-        cs.append(g_add_prefix | {'type': 'curve', 'id' : id, 'c_type': c_type, 'coords' : coords})
-
-    #print(descs)
-    return cs'''
-
-
 def inp_out_curve_v3(name: str) -> list[str]:
     lines = []
     types = read_all(name, f"select * from _curve")