diff --git a/chiado/config.yaml b/chiado/config.yaml
index 35b9ede..2189c9e 100644
--- a/chiado/config.yaml
+++ b/chiado/config.yaml
@@ -153,14 +153,3 @@ BELLATRIX_FORK_EPOCH: 180
 INACTIVITY_SCORE_BIAS: 4
 # 2**4 (= 16)
 INACTIVITY_SCORE_RECOVERY_RATE: 16
-INACTIVITY_PENALTY_QUOTIENT_ALTAIR: 50331648
-MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR: 64
-PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR: 2
-
-# Sync committee
-# ---------------------------------------------------------------
-# 2**9 (= 512)
-SYNC_COMMITTEE_SIZE: 512
-# 2**9 (= 512)
-# assert EPOCHS_PER_SYNC_COMMITTEE_PERIOD * SLOTS_PER_EPOCH <= SLOTS_PER_HISTORICAL_ROOT
-EPOCHS_PER_SYNC_COMMITTEE_PERIOD: 512
diff --git a/mainnet/config.yaml b/mainnet/config.yaml
index 1bc1595..7126db3 100644
--- a/mainnet/config.yaml
+++ b/mainnet/config.yaml
@@ -155,14 +155,3 @@ BELLATRIX_FORK_EPOCH: 385536 # 2022-11-30T19:23:40.000Z
 INACTIVITY_SCORE_BIAS: 4
 # 2**4 (= 16)
 INACTIVITY_SCORE_RECOVERY_RATE: 16
-INACTIVITY_PENALTY_QUOTIENT_ALTAIR: 50331648
-MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR: 64
-PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR: 2
-
-# Sync committee
-# ---------------------------------------------------------------
-# 2**9 (= 512)
-SYNC_COMMITTEE_SIZE: 512
-# 2**9 (= 512)
-# assert EPOCHS_PER_SYNC_COMMITTEE_PERIOD * SLOTS_PER_EPOCH <= SLOTS_PER_HISTORICAL_ROOT
-EPOCHS_PER_SYNC_COMMITTEE_PERIOD: 512