diff --git a/crates/ccc-crypto-wolfssl/src/aead.rs b/crates/ccc-crypto-wolfssl/src/aead.rs
index aea4afc..c4aefd3 100644
--- a/crates/ccc-crypto-wolfssl/src/aead.rs
+++ b/crates/ccc-crypto-wolfssl/src/aead.rs
@@ -103,8 +103,7 @@ fn aes_gcm_256_encrypt(
         // alignment so the C code's SIMD operations work correctly on ARM64.
         use std::alloc::{alloc_zeroed, dealloc, Layout};
 
-        // sizeof(Aes) = 288 bytes; alignment = 16.
-        let layout = Layout::from_size_align(std::mem::size_of::<crate::sys::Aes>().max(288), 16)
+        let layout = Layout::from_size_align(std::mem::size_of::<crate::sys::Aes>(), 16)
             .expect("layout must be valid");
 
         let aes_ptr = alloc_zeroed(layout) as *mut crate::sys::Aes;
@@ -184,7 +183,7 @@ fn aes_gcm_256_decrypt(
         // alignment so the C code's SIMD operations work correctly on ARM64.
         use std::alloc::{alloc_zeroed, dealloc, Layout};
 
-        let layout = Layout::from_size_align(std::mem::size_of::<crate::sys::Aes>().max(288), 16)
+        let layout = Layout::from_size_align(std::mem::size_of::<crate::sys::Aes>(), 16)
             .expect("layout must be valid");
 
         let aes_ptr = alloc_zeroed(layout) as *mut crate::sys::Aes;