diff --git a/infra/fast-time/override-60x.json b/infra/fast-time/override-60x.json
index 974c458f4..4ac9570cc 100644
--- a/infra/fast-time/override-60x.json
+++ b/infra/fast-time/override-60x.json
@@ -79,8 +79,6 @@
   "vdf_scheme": 0,
   "era_vdf_t": 108000000,
   "fees_v1_activation_daa": 0,
-  "difficulty_v3_activation_daa": 18446744073709551615,
-  "finality_daa_rule_activation_daa": 18446744073709551615,
   "fork_gate_activation_daa": 18446744073709551615,
   "fork_gate_window_daa": 600,
   "vote_or_burn_activation_daa": 18446744073709551615,
@@ -88,10 +86,6 @@
   "signing_bonus_activation_daa": 18446744073709551615,
   "signing_bonus_bps": 1000,
   "finality_leave_activation_daa": 18446744073709551615,
-  "latency_ladder": [{"reps": 27, "admissible": true}, {"reps": 35, "admissible": true}, {"reps": 53, "admissible": true}, {"reps": 88, "admissible": false}, {"reps": 173, "admissible": false}, {"reps": 267, "admissible": false}],
-  "latency_ladder_activation_daa": 18446744073709551615,
-  "latency_ladder_window_daa": 120,
-  "exec_restart_state_root": "",
   "emission": {"launch_rate": "3168808781", "ramp_seconds": 2592000, "ramp_start_percent": 10, "step_seconds": 63115200, "step_decay_q32": 2147483648, "tail": {"kind": "cap"}},
   "proving_consensus_verify_daa": 18446744073709551615,
   "proving_shard_program_id": "",