diff --git a/src/proto_alpha/lib_protocol/storage_costs.ml b/src/proto_alpha/lib_protocol/storage_costs.ml
index 17c4c892acd448bf3f7e16d79963331f4d16dade..b22216ac0b0c9d71279c4e3e760148d5b67c77cd 100644
--- a/src/proto_alpha/lib_protocol/storage_costs.ml
+++ b/src/proto_alpha/lib_protocol/storage_costs.ml
@@ -42,10 +42,6 @@ let write_access ~written_bytes =
   Gas_limit_repr.atomic_step_cost
     (add (safe_int 200_000) (mul (safe_int 4) (safe_int written_bytes)))
 
-(* TODO: https://gitlab.com/tezos/tezos/-/issues/2397
-   Fill in real benchmarked values.
-   Benchmark defined in [Storage_benchmarks].
-*)
 let list_key_values_step_cost = Saturation_repr.safe_int 117
 
 let list_key_values_intercept = Saturation_repr.safe_int 470