diff --git a/configs/mainnet.yaml b/configs/mainnet.yaml
index 0fb81a1c3..60bd1c087 100644
--- a/configs/mainnet.yaml
+++ b/configs/mainnet.yaml
@@ -156,8 +156,6 @@ DOMAIN_SHARD_PROPOSAL: 0x80000000
 DOMAIN_SHARD_COMMITTEE: 0x81000000
 DOMAIN_LIGHT_CLIENT: 0x82000000
 DOMAIN_CUSTODY_BIT_SLASHING: 0x83000000
-# Constant
-NO_SIGNATURE: 0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 
 
 # Phase 1: Upgrade from Phase 0
diff --git a/configs/minimal.yaml b/configs/minimal.yaml
index 6650eadc1..5c1511e6d 100644
--- a/configs/minimal.yaml
+++ b/configs/minimal.yaml
@@ -156,8 +156,6 @@ DOMAIN_SHARD_PROPOSAL: 0x80000000
 DOMAIN_SHARD_COMMITTEE: 0x81000000
 DOMAIN_LIGHT_CLIENT: 0x82000000
 DOMAIN_CUSTODY_BIT_SLASHING: 0x83000000
-# Constant
-NO_SIGNATURE: 0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 
 
 # Phase 1: Upgrade from Phase 0