diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 3a3503e..41a3d6b 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -410,12 +410,6 @@
         if (!g_cmdline.empty()) {
             bootimg_set_cmdline(reinterpret_cast<boot_img_hdr_v1*>(kdata), g_cmdline);
         }
-        uint32_t header_version_existing =
-                reinterpret_cast<boot_img_hdr_v1*>(kdata)->header_version;
-        if (g_boot_img_hdr.header_version != header_version_existing) {
-            die("header version mismatch, expected: %" PRIu32 " found %" PRIu32 "",
-                g_boot_img_hdr.header_version, header_version_existing);
-        }
 
         if (!ramdisk.empty()) die("cannot boot a boot.img *and* ramdisk");
 
diff --git a/libmemunreachable/Android.bp b/libmemunreachable/Android.bp
index f872d0f..619ee34 100644
--- a/libmemunreachable/Android.bp
+++ b/libmemunreachable/Android.bp
@@ -46,6 +46,12 @@
             static_libs: ["libunwind_llvm"],
         },
     },
+
+    // TODO(b/78118944), clang lld link flags do not work with special link
+    // rules for libunwind_llvm yet. Linked aosp_arm-eng image failed to
+    // boot up in the emulator.
+    use_clang_lld: false,
+
     export_include_dirs: ["include"],
     local_include_dirs: ["include"],
 }