diff --git a/src/flamenco/features/gen_features.py b/src/flamenco/features/gen_features.py
index 2982c8e519..cc28d7ac6f 100755
--- a/src/flamenco/features/gen_features.py
+++ b/src/flamenco/features/gen_features.py
@@ -83,19 +83,6 @@ def pubkey_to_c_array(pubkey):
         if x.get("hardcoded") == 1:
             print(f",\n    .hardcoded = 1", file=body, end="")
         print(" },\n", file=body)
-#        if "old" in x:
-#            print(
-#                f'''  {{ .index  = offsetof(fd_features_t, {x["name"]})>>3,
-#        .id     = {{{pubkey_to_c_array(x["old"])}}},
-#                  /* {x["old"]} */
-#        .name   = "{x["name"]}"''',
-#                file=body,
-#                end="",
-#            )
-#            if x.get("hardcoded") == 1:
-#                print(f",\n    .hardcoded = 1", file=body, end="")
-#            print(" },\n", file=body)
-
     print(
         f"""  {{ .index = ULONG_MAX }}
 }};