diff --git a/syscall/process.rs b/syscall/process.rs
index c4f846ba057e9b6d4ab80304fa0b69624078c835..3a511fb1252fdf4d99d3036f53daea23aa3e5a6e 100644
--- a/syscall/process.rs
+++ b/syscall/process.rs
@@ -82,10 +82,6 @@ pub fn clone(flags: usize, stack_base: usize) -> Result<usize> {
         pid = context.id;
     }
 
-    println!("Clone {}", pid);
-
-    unsafe { asm!("xchg bx, bx" : : : : "intel", "volatile"); }
-
     unsafe { context::switch(); }
 
     Ok(pid)