diff --git a/cas/aidl/default/Android.bp b/cas/aidl/default/Android.bp
index 9d094e0364..576016ef27 100644
--- a/cas/aidl/default/Android.bp
+++ b/cas/aidl/default/Android.bp
@@ -26,7 +26,6 @@ cc_library_static {
         "liblog",
         "libutils",
         "libcutils",
-        "libvndksupport",
     ],
     static_libs: [
         "libaidlcommonsupport",
@@ -44,39 +43,34 @@ cc_defaults {
 
     srcs: ["service.cpp"],
 
-    stl: "c++_static",
     static_libs: [
-        "android.hardware.cas-V1-ndk",
-        "android.hardware.common-V2-ndk",
         "libaidlcommonsupport",
-        "libbase",
         "libcasexampleimpl",
-        "libcutils",
-        "libutils",
     ],
     shared_libs: [
+        "android.hardware.cas-V1-ndk",
+        "libbase",
         "libbinder_ndk",
         "liblog",
-        "libvndksupport",
+        "libutils",
+        "libcutils",
     ],
     header_libs: ["media_plugin_headers"],
+    vintf_fragments: ["android.hardware.cas-service.xml"],
 }
 
 cc_binary {
     name: "android.hardware.cas-service.example",
     defaults: ["cas_service_example_defaults"],
-    // Installed in APEX
-    installable: false,
+    init_rc: ["cas-default.rc"],
 }
 
-// TODO(b/297467514) Convert to VAPEX
 cc_binary {
     name: "android.hardware.cas-service.example-lazy",
     defaults: ["cas_service_example_defaults"],
     init_rc: ["cas-default-lazy.rc"],
-    vintf_fragments: ["android.hardware.cas-service.xml"],
     cflags: ["-DLAZY_SERVICE"],
-    overrides: ["com.android.hardware.cas"],
+    overrides: ["android.hardware.cas-service.example"],
 }
 
 cc_fuzz {
@@ -90,7 +84,6 @@ cc_fuzz {
         "android.hardware.cas-V1-ndk",
         "libcutils",
         "liblog",
-        "libvndksupport",
     ],
     static_libs: [
         "libaidlcommonsupport",
@@ -101,34 +94,3 @@ cc_fuzz {
         componentid: 1344,
     },
 }
-
-apex {
-    name: "com.android.hardware.cas",
-    manifest: "manifest.json",
-    file_contexts: "file_contexts",
-    key: "com.android.hardware.key",
-    certificate: ":com.android.hardware.certificate",
-    updatable: false,
-    vendor: true,
-
-    binaries: [
-        "android.hardware.cas-service.example",
-    ],
-    prebuilts: [
-        "cas-default.rc",
-        "android.hardware.cas-service.xml",
-    ],
-}
-
-prebuilt_etc {
-    name: "cas-default.rc",
-    src: "cas-default.rc",
-    installable: false,
-}
-
-prebuilt_etc {
-    name: "android.hardware.cas-service.xml",
-    src: "android.hardware.cas-service.xml",
-    sub_dir: "vintf",
-    installable: false,
-}
diff --git a/cas/aidl/default/SharedLibrary.cpp b/cas/aidl/default/SharedLibrary.cpp
index 6322ff303a..c12d17d0cd 100644
--- a/cas/aidl/default/SharedLibrary.cpp
+++ b/cas/aidl/default/SharedLibrary.cpp
@@ -19,7 +19,6 @@
 #include "SharedLibrary.h"
 #include <dlfcn.h>
 #include <utils/Log.h>
-#include <vndksupport/linker.h>
 
 namespace aidl {
 namespace android {
@@ -27,12 +26,12 @@ namespace hardware {
 namespace cas {
 
 SharedLibrary::SharedLibrary(const String8& path) {
-    mLibHandle = android_load_sphal_library(path.c_str(), RTLD_NOW);
+    mLibHandle = dlopen(path.c_str(), RTLD_NOW);
 }
 
 SharedLibrary::~SharedLibrary() {
     if (mLibHandle != NULL) {
-        android_unload_sphal_library(mLibHandle);
+        dlclose(mLibHandle);
         mLibHandle = NULL;
     }
 }
diff --git a/cas/aidl/default/cas-default.rc b/cas/aidl/default/cas-default.rc
index 0ac7fe57eb..5a603687be 100644
--- a/cas/aidl/default/cas-default.rc
+++ b/cas/aidl/default/cas-default.rc
@@ -1,4 +1,4 @@
-service vendor.cas-default /apex/com.android.hardware.cas/bin/hw/android.hardware.cas-service.example
+service vendor.cas-default /vendor/bin/hw/android.hardware.cas-service.example
     interface aidl android.hardware.cas.IMediaCasService/default
     class hal
     user media
diff --git a/cas/aidl/default/file_contexts b/cas/aidl/default/file_contexts
deleted file mode 100644
index 98bde537df..0000000000
--- a/cas/aidl/default/file_contexts
+++ /dev/null
@@ -1,3 +0,0 @@
-(/.*)?                                                          u:object_r:vendor_file:s0
-/etc(/.*)?                                                      u:object_r:vendor_configs_file:s0
-/bin/hw/android\.hardware\.cas-service\.example                 u:object_r:hal_cas_default_exec:s0
diff --git a/cas/aidl/default/manifest.json b/cas/aidl/default/manifest.json
deleted file mode 100644
index 16b4f6710e..0000000000
--- a/cas/aidl/default/manifest.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-    "name": "com.android.hardware.cas",
-    "version": 1,
-    // For CAS HAL to open plugins from /vendor/lib, "vendor" namespace should be imported.
-    // ":sphal" is an alias for the "vendor" namespace in Vendor APEX.
-    "requireNativeLibs": [
-        ":sphal"
-    ]
-}