diff --git a/core/board_config_wifi.mk b/core/board_config_wifi.mk
index a736099..8289bf2 100644
--- a/core/board_config_wifi.mk
+++ b/core/board_config_wifi.mk
@@ -78,3 +78,6 @@
 ifdef WIFI_SKIP_STATE_TOGGLE_OFF_ON_FOR_NAN
     $(call soong_config_set,wifi,wifi_skip_state_toggle_off_on_for_nan,true)
 endif
+ifeq ($(strip $(TARGET_USES_AOSP_FOR_WLAN)),true)
+    $(call soong_config_set,wifi,target_uses_aosp_for_wlan,true)
+endif
\ No newline at end of file
diff --git a/core/device.mk b/core/device.mk
deleted file mode 100644
index 20ff447..0000000
--- a/core/device.mk
+++ /dev/null
@@ -1,76 +0,0 @@
-#
-# Copyright (C) 2007 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-_device_var_list := \
-    DEVICE_NAME \
-    DEVICE_BOARD \
-    DEVICE_REGION
-
-define dump-device
-$(info ==== $(1) ====)\
-$(foreach v,$(_device_var_list),\
-$(info DEVICES.$(1).$(v) := $(DEVICES.$(1).$(v))))\
-$(info --------)
-endef
-
-define dump-devices
-$(foreach p,$(DEVICES),$(call dump-device,$(p)))
-endef
-
-#
-# $(1): device to inherit
-#
-define inherit-device
-  $(foreach v,$(_device_var_list), \
-      $(eval $(v) := $($(v)) $(INHERIT_TAG)$(strip $(1))))
-endef
-
-#
-# $(1): device makefile list
-#
-#TODO: check to make sure that devices have all the necessary vars defined
-define import-devices
-$(call import-nodes,DEVICES,$(1),$(_device_var_list))
-endef
-
-
-#
-# $(1): short device name like "sooner"
-#
-define _resolve-short-device-name
-  $(eval dn := $(strip $(1)))
-  $(eval d := \
-      $(foreach d,$(DEVICES), \
-          $(if $(filter $(dn),$(DEVICES.$(d).DEVICE_NAME)), \
-            $(d) \
-       )) \
-   )
-  $(eval d := $(sort $(d)))
-  $(if $(filter 1,$(words $(d))), \
-    $(d), \
-    $(if $(filter 0,$(words $(d))), \
-      $(error No matches for device "$(dn)"), \
-      $(error Device "$(dn)" ambiguous: matches $(d)) \
-    ) \
-  )
-endef
-
-#
-# $(1): short device name like "sooner"
-#
-define resolve-short-device-name
-$(strip $(call _resolve-short-device-name,$(1)))
-endef
diff --git a/core/product_config.mk b/core/product_config.mk
index 7055a1e..db8ca01 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -144,7 +144,6 @@
 #
 include $(BUILD_SYSTEM)/node_fns.mk
 include $(BUILD_SYSTEM)/product.mk
-include $(BUILD_SYSTEM)/device.mk
 
 # Read all product definitions.
 #