diff --git a/user/alarmtest.c b/user/alarmtest.c
deleted file mode 100644
index d3746c4..0000000
--- a/user/alarmtest.c
+++ /dev/null
@@ -1,106 +0,0 @@
-//
-// test program for the alarm lab.
-// you can modify this file for testing,
-// but please make sure your kernel
-// modifications pass the original
-// versions of these tests.
-//
-
-#include "kernel/param.h"
-#include "kernel/types.h"
-#include "kernel/stat.h"
-#include "kernel/riscv.h"
-#include "user/user.h"
-
-void test0();
-void test1();
-void periodic();
-
-int
-main(int argc, char *argv[])
-{
-  test0();
-  test1();
-  exit(0);
-}
-
-volatile static int count;
-
-void
-periodic()
-{
-  count = count + 1;
-  printf("alarm!\n");
-  sigreturn();
-}
-
-// tests whether the kernel calls
-// the alarm handler even a single time.
-void
-test0()
-{
-  int i;
-  printf("test0 start\n");
-  count = 0;
-  sigalarm(2, periodic);
-  for(i = 0; i < 1000*500000; i++){
-    if((i % 1000000) == 0)
-      write(2, ".", 1);
-    if(count > 0)
-      break;
-  }
-  sigalarm(0, 0);
-  if(count > 0){
-    printf("test0 passed\n");
-  } else {
-    printf("\ntest0 failed: the kernel never called the alarm handler\n");
-  }
-}
-
-void __attribute__ ((noinline)) foo(int i, int *j) {
-  if((i % 2500000) == 0) {
-    write(2, ".", 1);
-  }
-  *j += 1;
-}
-
-//
-// tests that the kernel calls the handler multiple times.
-//
-// tests that, when the handler returns, it returns to
-// the point in the program where the timer interrupt
-// occurred, with all registers holding the same values they
-// held when the interrupt occurred.
-//
-void
-test1()
-{
-  int i;
-  int j;
-
-  printf("test1 start\n");
-  count = 0;
-  j = 0;
-  sigalarm(2, periodic);
-  for(i = 0; i < 500000000; i++){
-    if(count >= 10)
-      break;
-    foo(i, &j);
-  }
-  if(count < 10){
-    printf("\ntest1 failed: too few calls to the handler\n");
-    exit(1);
-  } else if(i != j){
-    // the loop should have called foo() i times, and foo() should
-    // have incremented j once per call, so j should equal i.
-    // once possible source of errors is that the handler may
-    // return somewhere other than where the timer interrupt
-    // occurred; another is that that registers may not be
-    // restored correctly, causing i or j or the address ofj
-    // to get an incorrect value.
-    printf("\ntest1 failed: foo() executed fewer times than it was called\n");
-    exit(1);
-  } else {
-    printf("test1 passed\n");
-  }
-}