diff --git a/src/bin/dual-iir.rs b/src/bin/dual-iir.rs
index 9d4eab5..0d924c3 100644
--- a/src/bin/dual-iir.rs
+++ b/src/bin/dual-iir.rs
@@ -333,7 +333,6 @@ const APP: () = {
                     .chain(dac_samples.iter())
                     .zip(buf.chunks_exact_mut(N))
                 {
-                    assert_eq!(core::mem::size_of_val(*data), N);
                     let data = unsafe {
                         core::slice::from_raw_parts(
                             data.as_ptr() as *const u8,
diff --git a/src/bin/lockin.rs b/src/bin/lockin.rs
index 548c42e..ee85dd9 100644
--- a/src/bin/lockin.rs
+++ b/src/bin/lockin.rs
@@ -412,7 +412,6 @@ const APP: () = {
                     .chain(dac_samples.iter())
                     .zip(buf.chunks_exact_mut(N))
                 {
-                    assert_eq!(core::mem::size_of_val(*data), N);
                     let data = unsafe {
                         core::slice::from_raw_parts(
                             data.as_ptr() as *const u8,