diff --git a/beacon-chain/state/state-native/spec_parameters.go b/beacon-chain/state/state-native/spec_parameters.go
index 1612a71efbd..7c955e92c1d 100644
--- a/beacon-chain/state/state-native/spec_parameters.go
+++ b/beacon-chain/state/state-native/spec_parameters.go
@@ -14,7 +14,7 @@ func (b *BeaconState) ProportionalSlashingMultiplier() (uint64, error) {
 	case version.Phase0:
 		return params.BeaconConfig().ProportionalSlashingMultiplier, nil
 	}
-	return 0, errNotSupported("ProportionalSlashingMultiplier()", b.version)
+	return 0, errNotSupported("ProportionalSlashingMultiplier", b.version)
 }
 
 func (b *BeaconState) InactivityPenaltyQuotient() (uint64, error) {
@@ -26,5 +26,5 @@ func (b *BeaconState) InactivityPenaltyQuotient() (uint64, error) {
 	case version.Phase0:
 		return params.BeaconConfig().InactivityPenaltyQuotient, nil
 	}
-	return 0, errNotSupported("InactivityPenaltyQuotient()", b.version)
+	return 0, errNotSupported("InactivityPenaltyQuotient", b.version)
 }