diff --git a/tools/scripts/modules/rt/rt_utils.lua b/tools/scripts/modules/rt/rt_utils.lua
index b5d9fc0..3793f23 100644
--- a/tools/scripts/modules/rt/rt_utils.lua
+++ b/tools/scripts/modules/rt/rt_utils.lua
@@ -73,12 +73,8 @@ function cp_with_symlink(srcpath, dstpath, opt)
     else
         option = opt or {symlink = true}
     end
-    if (opt and opt.del == false) then
-        os.execv("cp -r", {srcpath, dstpath})
-    else
-        os.tryrm(dstpath)
-        os.vcp(srcpath, dstpath, option)
-    end
+    os.tryrm(dstpath)
+    os.vcp(srcpath, dstpath, option)
 end
 
 function dirsize(dir)