diff --git a/shared/featureconfig/flags.go b/shared/featureconfig/flags.go
index 6414c39bf..3f1b8f276 100644
--- a/shared/featureconfig/flags.go
+++ b/shared/featureconfig/flags.go
@@ -633,5 +633,5 @@ var E2EBeaconChainFlags = []string{
 	"--attestation-aggregation-strategy=max_cover",
 	"--dev",
 	"--enable-finalized-deposits-cache",
-	"--enable-eth1-data-majority-vote",
+	// "--enable-eth1-data-majority-vote", // TODO(6786): This flag fails long running e2e tests.
 }