diff --git a/src/kernel/exception.rs b/src/kernel/exception.rs
index 4009d8a..749a9bc 100644
--- a/src/kernel/exception.rs
+++ b/src/kernel/exception.rs
@@ -174,7 +174,7 @@ fn syscall(machine: &mut Machine, system: &mut System) -> Result<MachineOk, Mach
         SC_P => sc_p(machine, system),
         SC_V => sc_v(machine, system),
         SC_SEM_CREATE => sc_sem_create(machine, system),
-        SC_SEM_DESTROY => todo!(),
+        SC_SEM_DESTROY => sc_sem_remove(machine, system),
         SC_LOCK_CREATE => todo!(),
         SC_LOCK_DESTROY => todo!(),
         SC_LOCK_ACQUIRE => todo!(),
@@ -221,6 +221,12 @@ fn sc_sem_create(machine: &mut Machine, system: &mut System) -> Result<MachineOk
     }
 }
 
+fn sc_sem_remove(machine: &mut Machine, system: &mut System) -> Result<MachineOk, MachineError>{
+    let id = machine.read_int_register(10) as i32;
+    system.get_thread_manager().get_obj_addrs().remove_semaphore(id);
+    Ok(MachineOk::Ok)
+}
+
 fn sc_new_thread(machine: &mut Machine, system: &mut System) -> Result<MachineOk, MachineError> {
     // Get the address of the string for the name of the thread
     let name_addr = machine.read_int_register(10) as usize;