diff --git a/cmd/lotus/main.go b/cmd/lotus/main.go
index f85c828cb..33ff56ac3 100644
--- a/cmd/lotus/main.go
+++ b/cmd/lotus/main.go
@@ -17,8 +17,6 @@ import (
 var AdvanceBlockCmd *cli.Command
 
 func main() {
-	os.Setenv("BELLMAN_NO_GPU", "1")
-
 	lotuslog.SetupLogLevels()
 
 	local := []*cli.Command{
diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index e297d672b..2e02f06e4 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit e297d672bab07d5a2c87d2e0cc8d5d98177ec8b9
+Subproject commit 2e02f06e433cfa18313b14eb8151f014f31e7dc9