diff --git a/src/perf_event_handler.rs b/src/perf_event_handler.rs
index d5ccc24..9dc822d 100644
--- a/src/perf_event_handler.rs
+++ b/src/perf_event_handler.rs
@@ -58,13 +58,11 @@ impl<T: Copy> EventHandler<T> {
         self.send_perf_event(cpu, EventType::Lost(cnt));
     }
 
-    #[no_mangle]
     unsafe extern "C" fn sample_event(ctx: *mut c_void, cpu: i32, data: *mut c_void, size: u32) {
         let handler: &mut EventHandler<T> = &mut *(ctx as *mut EventHandler<T>);
         handler.handle_sample_event(cpu, data, size);
     }
 
-    #[no_mangle]
     unsafe extern "C" fn lost_event(ctx: *mut c_void, cpu: i32, cnt: u64) {
         let handler: &mut EventHandler<T> = &mut *(ctx as *mut EventHandler<T>);
         handler.handle_lost_event(cpu, cnt);