diff --git a/config/features/config.go b/config/features/config.go
index 92bb3495e..9b081e91a 100644
--- a/config/features/config.go
+++ b/config/features/config.go
@@ -54,7 +54,6 @@ type Flags struct {
 	DisableGRPCConnectionLogs bool // Disables logging when a new grpc client has connected.
 
 	// Slasher toggles.
-	DisableLookback           bool // DisableLookback updates slasher to not use the lookback and update validator histories until epoch 0.
 	DisableBroadcastSlashings bool // DisableBroadcastSlashings disables p2p broadcasting of proposer and attester slashings.
 
 	// Bug fixes related flags.