diff --git a/test/sys/test_ptrace.rs b/test/sys/test_ptrace.rs
index 676dd1d58d..e86c75cb54 100644
--- a/test/sys/test_ptrace.rs
+++ b/test/sys/test_ptrace.rs
@@ -127,8 +127,9 @@ fn test_ptrace_syscall() {
         Child => {
             ptrace::traceme().unwrap();
             // first sigstop until parent is ready to continue
-            kill(getpid(), Signal::SIGSTOP).unwrap();
-            kill(getpid(), Signal::SIGTERM).unwrap();
+            let pid = getpid();
+            kill(pid, Signal::SIGSTOP).unwrap();
+            kill(pid, Signal::SIGTERM).unwrap();
         },
 
         Parent { child } => {
@@ -139,16 +140,6 @@ fn test_ptrace_syscall() {
 
             let get_syscall_id = || ptrace::getregs(child).unwrap().orig_rax as i64;
 
-            // getpid entry
-            ptrace::syscall(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
-            assert_eq!(get_syscall_id(), ::libc::SYS_getpid);
-
-            // getpid exit
-            ptrace::syscall(child, None).unwrap();
-            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
-            assert_eq!(get_syscall_id(), ::libc::SYS_getpid);
-
             // kill entry
             ptrace::syscall(child, None).unwrap();
             assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));