diff --git a/src/time.rs b/src/time.rs
index bc9303a..70b5309 100644
--- a/src/time.rs
+++ b/src/time.rs
@@ -1,7 +1,7 @@
 use core::time::Duration;
 use std::time::Instant;
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug)]
 pub struct Periodically {
     last_run: Instant,
     duration: Duration