diff '--color=auto' -dupr old/src/impls/primitives.rs get-size2-0.8.0/src/impls/primitives.rs
--- old/src/impls/primitives.rs	2026-08-15 16:43:00.804672506 +0200
+++ get-size2-0.8.0/src/impls/primitives.rs	2026-08-15 16:43:22.885502883 +0200
@@ -5,8 +5,8 @@ use std::num::{
     NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU128, NonZeroUsize,
 };
 use std::sync::atomic::{
-    AtomicBool, AtomicI8, AtomicI16, AtomicI32, AtomicI64, AtomicIsize, AtomicU8, AtomicU16,
-    AtomicU32, AtomicU64, AtomicUsize, Ordering,
+    AtomicBool, AtomicI8, AtomicI16, AtomicI32, AtomicIsize, AtomicU8, AtomicU16,
+    AtomicU32, AtomicUsize, Ordering,
 };
 use std::time::{Duration, Instant, SystemTime};
 
@@ -46,12 +46,10 @@ impl GetSize for AtomicBool {}
 impl GetSize for AtomicI8 {}
 impl GetSize for AtomicI16 {}
 impl GetSize for AtomicI32 {}
-impl GetSize for AtomicI64 {}
 impl GetSize for AtomicIsize {}
 impl GetSize for AtomicU8 {}
 impl GetSize for AtomicU16 {}
 impl GetSize for AtomicU32 {}
-impl GetSize for AtomicU64 {}
 impl GetSize for AtomicUsize {}
 impl GetSize for Ordering {}
 impl GetSize for std::cmp::Ordering {}