diff --git a/src/runtime/syscall_windows_test.go b/src/runtime/syscall_windows_test.go
index 235c79f68ff..65f74b32fb7 100644
--- a/src/runtime/syscall_windows_test.go
+++ b/src/runtime/syscall_windows_test.go
@@ -770,7 +770,6 @@ func TestSyscallN(t *testing.T) {
 	for arglen := 0; arglen <= runtime.MaxArgs; arglen++ {
 		arglen := arglen
 		t.Run(fmt.Sprintf("arg-%d", arglen), func(t *testing.T) {
-			t.Parallel()
 			args := make([]string, arglen)
 			rets := make([]string, arglen+1)
 			params := make([]uintptr, arglen)