diff --git a/client/operation.go b/client/operation.go
index 046368e..19a9dfb 100644
--- a/client/operation.go
+++ b/client/operation.go
@@ -153,11 +153,7 @@ func prepareProcessLaunch(storageRoot string, req *shared.StartProcessRequest) *
 
 	if err == nil && fi.IsDir() {
 		exefile := "./" + path.Clean(strings.TrimPrefix(req.Args[0], "/"))
-		err = set_permission(path.Join(verpath, exefile))
-		if err != nil {
-			logger.Println("set_permission failed :", err)
-			return nil
-		}
+		os.Chmod(path.Join(verpath, exefile), 0777)
 
 		exef, _ := os.Executable()
 		cmd := exec.Command(path.Join(path.Dir(exef), verpath, exefile), req.Args[1:]...)
diff --git a/client/set_permission_default.go b/client/set_permission_default.go
deleted file mode 100644
index ef8f120..0000000
--- a/client/set_permission_default.go
+++ /dev/null
@@ -1,7 +0,0 @@
-//go:build client && windows
-
-package client
-
-func set_permission(path string) error {
-	return nil
-}
diff --git a/client/set_permission_linux.go b/client/set_permission_linux.go
deleted file mode 100644
index 689b862..0000000
--- a/client/set_permission_linux.go
+++ /dev/null
@@ -1,21 +0,0 @@
-//go:build client && linux
-
-package client
-
-import (
-	"os"
-	"os/exec"
-)
-
-func init() {
-	file, _ := os.OpenFile("setcap.sh", os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0777)
-	file.Write([]byte("sudo setcap 'cap_net_bind_service=+ep' $1"))
-	file.Sync()
-	file.Close()
-}
-
-func set_permission(path string) error {
-	os.Chmod(path, 0777)
-	cmd := exec.Command("/bin/bash", "./setcap.sh", path)
-	return cmd.Run()
-}