diff --git a/examples/ble_keyboard.rs b/examples/ble_keyboard.rs
index 874b214..e376ad3 100644
--- a/examples/ble_keyboard.rs
+++ b/examples/ble_keyboard.rs
@@ -6,6 +6,7 @@ use esp32_nimble::{
   BLEHIDDevice, BLEServer,
 };
 use std::sync::Arc;
+use zerocopy::IntoBytes;
 use zerocopy_derive::{Immutable, IntoBytes};
 
 const KEYBOARD_ID: u8 = 0x01;
@@ -298,7 +299,11 @@ impl Keyboard {
   }
 
   fn send_report(&self, keys: &KeyReport) {
-    self.input_keyboard.lock().set_from(keys).notify();
+    self
+      .input_keyboard
+      .lock()
+      .set_value(keys.as_bytes())
+      .notify();
     esp_idf_svc::hal::delay::Ets::delay_ms(7);
   }
 }
diff --git a/src/server/att_value.rs b/src/server/att_value.rs
index 7c00d96..8d32514 100644
--- a/src/server/att_value.rs
+++ b/src/server/att_value.rs
@@ -1,5 +1,4 @@
 use alloc::vec::Vec;
-use zerocopy::{Immutable, IntoBytes};
 
 pub struct AttValue {
   value: Vec<u8>,
@@ -54,9 +53,13 @@ impl AttValue {
     self.value.extend_from_slice(value);
   }
 
+  #[deprecated(note = "Please use `set_value` + zerocopy::IntoBytes")]
   #[inline]
-  pub fn set_from<T: IntoBytes + Immutable>(&mut self, value: &T) {
-    self.set_value(value.as_bytes());
+  pub fn set_from<T: Sized>(&mut self, p: &T) {
+    let slice = unsafe {
+      ::core::slice::from_raw_parts((p as *const T) as *const u8, ::core::mem::size_of::<T>())
+    };
+    self.set_value(slice);
   }
 
   #[inline]
diff --git a/src/server/ble_2904.rs b/src/server/ble_2904.rs
index 89f30a9..77bcfb3 100644
--- a/src/server/ble_2904.rs
+++ b/src/server/ble_2904.rs
@@ -1,4 +1,5 @@
 use alloc::sync::Arc;
+use zerocopy::IntoBytes;
 use zerocopy_derive::{Immutable, IntoBytes};
 
 use crate::{utilities::mutex::Mutex, BLEDescriptor};
@@ -51,13 +52,16 @@ pub struct BLE2904 {
 
 impl BLE2904 {
   pub(super) fn new(descriptor: Arc<Mutex<BLEDescriptor>>) -> Self {
-    descriptor.lock().set_from(&Data {
-      format: BLE2904Format::OPAQUE,
-      exponent: 0,
-      unit: 0,
-      namespace: 1,
-      description: 0,
-    });
+    descriptor.lock().set_value(
+      Data {
+        format: BLE2904Format::OPAQUE,
+        exponent: 0,
+        unit: 0,
+        namespace: 1,
+        description: 0,
+      }
+      .as_bytes(),
+    );
 
     Self { descriptor }
   }
diff --git a/src/server/ble_characteristic.rs b/src/server/ble_characteristic.rs
index 666dec5..7d30a67 100644
--- a/src/server/ble_characteristic.rs
+++ b/src/server/ble_characteristic.rs
@@ -2,7 +2,6 @@ use alloc::{boxed::Box, sync::Arc, vec::Vec};
 use bitflags::bitflags;
 use core::{cell::UnsafeCell, ffi::c_void};
 use esp_idf_svc::sys;
-use zerocopy::{Immutable, IntoBytes};
 
 #[cfg(cpfd)]
 use crate::cpfd::Cpfd;
@@ -160,7 +159,9 @@ impl BLECharacteristic {
     self
   }
 
-  pub fn set_from<T: IntoBytes + Immutable>(&mut self, value: &T) -> &mut Self {
+  #[deprecated(note = "Please use `set_value` + zerocopy::IntoBytes")]
+  pub fn set_from<T: Sized>(&mut self, value: &T) -> &mut Self {
+    #[allow(deprecated)]
     self.value.set_from(value);
     self
   }
diff --git a/src/server/ble_descriptor.rs b/src/server/ble_descriptor.rs
index 8c4d1b2..926b304 100644
--- a/src/server/ble_descriptor.rs
+++ b/src/server/ble_descriptor.rs
@@ -4,7 +4,6 @@ use bitflags::bitflags;
 use core::{cell::UnsafeCell, ffi::c_void};
 use esp_idf_svc::sys as esp_idf_sys;
 use esp_idf_sys::{ble_uuid_any_t, ble_uuid_cmp};
-use zerocopy::{Immutable, IntoBytes};
 
 use crate::{
   utilities::{
@@ -53,7 +52,9 @@ impl BLEDescriptor {
     self
   }
 
-  pub fn set_from<T: IntoBytes + Immutable>(&mut self, value: &T) -> &mut Self {
+  #[deprecated(note = "Please use `set_value` + zerocopy::IntoBytes")]
+  pub fn set_from<T: Sized>(&mut self, value: &T) -> &mut Self {
+    #[allow(deprecated)]
     self.value.set_from(value);
     self
   }