diff --git a/cmd/beacon-chain/flags/base.go b/cmd/beacon-chain/flags/base.go
index 4b59866d8c43..287d5efe9a92 100644
--- a/cmd/beacon-chain/flags/base.go
+++ b/cmd/beacon-chain/flags/base.go
@@ -142,12 +142,6 @@ var (
 		Usage: "The percentage of freshly allocated data to live data on which the gc will be run again.",
 		Value: 100,
 	}
-	// SafeSlotsToImportOptimistically is deprecated. It should be removed in the next major release.
-	SafeSlotsToImportOptimistically = &cli.IntFlag{
-		Name:   "safe-slots-to-import-optimistically",
-		Usage:  "DEPRECATED. DO NOT USE",
-		Hidden: true,
-	}
 	// SlotsPerArchivedPoint specifies the number of slots between the archived points, to save beacon state in the cold
 	// section of beaconDB.
 	SlotsPerArchivedPoint = &cli.IntFlag{