diff --git a/examples/injection/main.go b/examples/injection/main.go
index 99b74d1..2ce1ed7 100644
--- a/examples/injection/main.go
+++ b/examples/injection/main.go
@@ -7,13 +7,6 @@ import (
 	"github.com/taigrr/adb"
 )
 
-var command string
-
-func init() {
-	// TODO  allow for any input to be used as the command
-	command = "ls"
-}
-
 func main() {
 	ctx := context.TODO()
 	devs, err := adb.Devices(ctx)
diff --git a/util.go b/util.go
index 5095dd9..8f879e7 100644
--- a/util.go
+++ b/util.go
@@ -10,8 +10,6 @@ import (
 
 var adb string
 
-const killed = 130
-
 func init() {
 	path, err := exec.LookPath("adb")
 	if err != nil {