diff --git a/src/block/mod.rs b/src/block/mod.rs
index 3a83767..8f2aba5 100644
--- a/src/block/mod.rs
+++ b/src/block/mod.rs
@@ -33,9 +33,3 @@ pub use self::avx2::*;
 mod wasm32;
 #[cfg(target_arch = "wasm32")]
 pub use self::wasm32::*;
-
-const _ASSERTION: () = {
-    if core::mem::size_of::<Block>() % core::mem::size_of::<usize>() != 0 {
-        panic!("vector is not a multiple size of usize");
-    }
-};