diff --git a/common/eth2_network_config/built_in_network_configs/gnosis/config.yaml b/common/eth2_network_config/built_in_network_configs/gnosis/config.yaml
index 12d79952854..d762ecfbdaa 100644
--- a/common/eth2_network_config/built_in_network_configs/gnosis/config.yaml
+++ b/common/eth2_network_config/built_in_network_configs/gnosis/config.yaml
@@ -74,9 +74,8 @@ CHURN_LIMIT_QUOTIENT: 4096
 
 # Fork choice
 # ---------------------------------------------------------------
-# TODO: enable once proposer boosting is desired on mainnet
 # 70%
-# PROPOSER_SCORE_BOOST: 70
+PROPOSER_SCORE_BOOST: 70
 
 # Deposit contract
 # ---------------------------------------------------------------
diff --git a/common/eth2_network_config/built_in_network_configs/mainnet/config.yaml b/common/eth2_network_config/built_in_network_configs/mainnet/config.yaml
index 6993c24b8ea..16aa507eed0 100644
--- a/common/eth2_network_config/built_in_network_configs/mainnet/config.yaml
+++ b/common/eth2_network_config/built_in_network_configs/mainnet/config.yaml
@@ -74,9 +74,8 @@ CHURN_LIMIT_QUOTIENT: 65536
 
 # Fork choice
 # ---------------------------------------------------------------
-# TODO: enable once proposer boosting is desired on mainnet
 # 70%
-# PROPOSER_SCORE_BOOST: 70
+PROPOSER_SCORE_BOOST: 70
 
 # Deposit contract
 # ---------------------------------------------------------------