diff --git a/app/buildSrc/src/main/java/Setup.kt b/app/buildSrc/src/main/java/Setup.kt
index f8029e976..1ba59d405 100644
--- a/app/buildSrc/src/main/java/Setup.kt
+++ b/app/buildSrc/src/main/java/Setup.kt
@@ -74,7 +74,7 @@ fun Project.setupCommon() {
         compileSdkVersion(36)
         buildToolsVersion = "36.0.0"
         ndkPath = "$sdkDirectory/ndk/magisk"
-        ndkVersion = "29.0.13113456"
+        ndkVersion = "28.1.13356709"
 
         defaultConfig {
             minSdk = 23
diff --git a/build.py b/build.py
index 8364ba2f7..131c37cb6 100755
--- a/build.py
+++ b/build.py
@@ -71,7 +71,7 @@ default_archs = {"armeabi-v7a", "x86", "arm64-v8a", "x86_64"}
 default_targets = {"magisk", "magiskinit", "magiskboot", "magiskpolicy"}
 support_targets = default_targets | {"resetprop"}
 rust_targets = {"magisk", "magiskinit", "magiskboot", "magiskpolicy"}
-ondk_version = "r29.1"
+ondk_version = "r28.4"
 
 # Global vars
 config = {}
diff --git a/native/src/core/lib.rs b/native/src/core/lib.rs
index a1122b294..d9e15a0de 100644
--- a/native/src/core/lib.rs
+++ b/native/src/core/lib.rs
@@ -4,7 +4,6 @@
 #![feature(fn_traits)]
 #![feature(unix_socket_ancillary_data)]
 #![feature(unix_socket_peek)]
-#![feature(maybe_uninit_uninit_array)]
 #![allow(clippy::missing_safety_doc)]
 
 use crate::ffi::SuRequest;
diff --git a/native/src/core/su/pts.rs b/native/src/core/su/pts.rs
index 647db219c..f6dfa59bd 100644
--- a/native/src/core/su/pts.rs
+++ b/native/src/core/su/pts.rs
@@ -144,8 +144,7 @@ pub fn pump_tty(infd: i32, outfd: i32) {
                     pump_via_pipe(pfd.fd, STDOUT_FILENO, &p)
                 } else if pfd.fd == sfd {
                     resize_pty(outfd);
-                    let mut buf: [MaybeUninit<u8>; size_of::<signalfd_siginfo>()] =
-                        MaybeUninit::uninit_array();
+                    let mut buf = [MaybeUninit::<u8>::uninit(); size_of::<signalfd_siginfo>()];
                     if unsafe { read(pfd.fd, buf.as_mut_ptr() as *mut _, buf.len()) } < 0 {
                         error!("read error");
                         false