diff --git a/os/src/main.rs b/os/src/main.rs
index 64855732..c4ab3b5b 100644
--- a/os/src/main.rs
+++ b/os/src/main.rs
@@ -35,7 +35,6 @@ pub fn rust_main() -> ! {
     println!("[kernel] Hello, world!");
     trap::init();
     loader::load_apps();
-    trap::enable_interrupt();
     trap::enable_timer_interrupt();
     timer::set_next_trigger();
     task::run_first_task();
diff --git a/os/src/trap/mod.rs b/os/src/trap/mod.rs
index 650b6cac..7718d779 100644
--- a/os/src/trap/mod.rs
+++ b/os/src/trap/mod.rs
@@ -10,7 +10,6 @@ use riscv::register::{
         Interrupt,
     },
     stval,
-    sstatus,
     sie,
 };
 use crate::syscall::syscall;
@@ -29,10 +28,6 @@ pub fn init() {
     }
 }
 
-pub fn enable_interrupt() {
-    unsafe { sstatus::set_sie(); }
-}
-
 pub fn enable_timer_interrupt() {
     unsafe { sie::set_stimer(); }
 }