diff --git a/helper/bwrap.go b/helper/bwrap.go
index 4ac1032..60a62ed 100644
--- a/helper/bwrap.go
+++ b/helper/bwrap.go
@@ -19,8 +19,6 @@ type bubblewrap struct {
 
 	// bwrap pipes
 	p *pipes
-	// sealed bwrap config
-	config *bwrap.Config
 	// returns an array of arguments passed directly
 	// to the child process spawned by bwrap
 	argF func(argsFD, statFD int) []string