diff --git a/Android.mk b/Android.mk
deleted file mode 100644
index fc7b4f7..0000000
--- a/Android.mk
+++ /dev/null
@@ -1,30 +0,0 @@
-#
-# Copyright (C) 2021 The Android Open-Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-# WARNING: Everything listed here will be built on ALL platforms,
-# including x86, the universal, and the SDK.  Modules must be uniquely
-# named (liblights.panda), and must build everywhere, or limit themselves
-# to only building on ARM if they include assembly. Individual makefiles
-# are responsible for having their own logic, for fine-grained control.
-
-LOCAL_PATH := $(call my-dir)
-
-# if some modules are built directly from this directory (not subdirectories),
-# their rules should be written here.
-
-ifneq (,$(filter $(TARGET_DEVICE),lynx))
-  include $(call all-makefiles-under,$(LOCAL_PATH))
-endif
diff --git a/self-extractors/Android.mk b/self-extractors/Android.mk
deleted file mode 100644
index e69de29..0000000
diff --git a/self-extractors/google_devices/staging/Android.mk b/self-extractors/google_devices/staging/Android.mk.template
similarity index 98%
rename from self-extractors/google_devices/staging/Android.mk
rename to self-extractors/google_devices/staging/Android.mk.template
index 92948df..a720400 100644
--- a/self-extractors/google_devices/staging/Android.mk
+++ b/self-extractors/google_devices/staging/Android.mk.template
@@ -48,7 +48,7 @@ LOCAL_PRIVILEGED_MODULE := true
 LOCAL_MODULE_OWNER := samsung
 LOCAL_MODULE_CLASS := APPS
 LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
-LOCAL_CERTIFICATE := PRESIGNED
+LOCAL_CERTIFICATE := platform
 LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
 LOCAL_LICENSE_CONDITIONS := notice
 LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../COPYRIGHT $(LOCAL_PATH)/../LICENSE