diff --git a/src/profiler.rs b/src/profiler.rs
index 1addfd7..9a27897 100644
--- a/src/profiler.rs
+++ b/src/profiler.rs
@@ -1231,10 +1231,7 @@ impl Profiler<'_> {
         let mut prog_fds = Vec::new();
         for i in 0..num_cpus::get() {
             let perf_fd = unsafe {
-                setup_perf_event(
-                    <usize as Into<T>>::into(i).unwrap(),
-                    self.sample_freq.try_into().unwrap(),
-                )
+                setup_perf_event(i.try_into().unwrap(), self.sample_freq.try_into().unwrap())
             }
             .expect("setup perf event");
             prog_fds.push(perf_fd);