diff --git a/build/tasks/apicheck.mk b/build/tasks/apicheck.mk
deleted file mode 100644
index ee6f35c..0000000
--- a/build/tasks/apicheck.mk
+++ /dev/null
@@ -1,92 +0,0 @@
-# Copyright (C) 2015 The CyanogenMod 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.
-
-#
-# Rules for running apicheck to confirm that you haven't broken
-# api compatibility or added apis illegally.
-#
-
-# skip api check for PDK buid
-ifeq (,$(filter true, $(WITHOUT_CHECK_API) $(TARGET_BUILD_PDK) $(TARGET_DISABLE_LINEAGE_SDK)))
-
-.PHONY: checkapi-lineage
-
-# Run the checkapi rules by default.
-droidcore: checkapi-lineage
-
-# Validate against previous release platform sdk version api text within prebuilts
-lineage_last_released_sdk_version := $(LINEAGE_PLATFORM_SDK_VERSION)
-
-.PHONY: check-lineage-public-api
-checkapi-lineage : check-lineage-public-api
-
-.PHONY: update-lineage-api
-
-# INTERNAL_LINEAGE_PLATFORM_API_FILE is the one build by droiddoc.
-# Note that since INTERNAL_LINEAGE_PLATFORM_API_FILE  is the byproduct of api-stubs module,
-# (See lineage-sdk/Android.mk)
-# we need to add api-stubs as additional dependency of the api check.
-
-$(INTERNAL_LINEAGE_PLATFORM_API_FILE):
-
-# Check that the API we're building hasn't broken the last-released
-# SDK version.
-$(eval $(call check-api, \
-    checkpublicapi-lineage-last, \
-    $(LINEAGE_SRC_API_DIR)/$(lineage_last_released_sdk_version).txt, \
-    $(INTERNAL_LINEAGE_PLATFORM_API_FILE), \
-    $(FRAMEWORK_LINEAGE_PLATFORM_REMOVED_API_FILE), \
-    $(INTERNAL_LINEAGE_PLATFORM_REMOVED_API_FILE), \
-    -hide 2 -hide 3 -hide 4 -hide 5 -hide 6 -hide 24 -hide 25 -hide 26 -hide 27 \
-    -error 7 -error 8 -error 9 -error 10 -error 11 -error 12 -error 13 -error 14 -error 15 \
-    -error 16 -error 17 -error 18 , \
-    cat $(FRAMEWORK_LINEAGE_API_NEEDS_UPDATE_TEXT), \
-    check-lineage-public-api, \
-    $(call doc-timestamp-for,lineage-api-stubs) \
-    ))
-
-# Check that the API we're building hasn't changed from the not-yet-released
-# SDK version.
-$(eval $(call check-api, \
-    checkpublicapi-lineage-current, \
-    $(FRAMEWORK_LINEAGE_PLATFORM_API_FILE), \
-    $(INTERNAL_LINEAGE_PLATFORM_API_FILE), \
-    $(FRAMEWORK_LINEAGE_PLATFORM_REMOVED_API_FILE), \
-    $(INTERNAL_LINEAGE_PLATFORM_REMOVED_API_FILE), \
-    -error 2 -error 3 -error 4 -error 5 -error 6 \
-    -error 7 -error 8 -error 9 -error 10 -error 11 -error 12 -error 13 -error 14 -error 15 \
-    -error 16 -error 17 -error 18 -error 19 -error 20 -error 21 -error 23 -error 24 \
-    -error 25 -error 26 -error 27, \
-    cat $(FRAMEWORK_LINEAGE_API_NEEDS_UPDATE_TEXT), \
-    check-lineage-public-api, \
-    $(call doc-timestamp-for,lineage-api-stubs) \
-    ))
-
-.PHONY: update-lineage-public-api
-update-lineage-public-api: $(INTERNAL_LINEAGE_PLATFORM_API_FILE) | $(ACP)
-	@echo "Copying lineage_current.txt"
-	$(hide) $(ACP) $(INTERNAL_LINEAGE_PLATFORM_API_FILE) $(FRAMEWORK_LINEAGE_PLATFORM_API_FILE)
-	@echo "Copying lineage_removed.txt"
-	$(hide) $(ACP) $(INTERNAL_LINEAGE_PLATFORM_REMOVED_API_FILE) $(FRAMEWORK_LINEAGE_PLATFORM_REMOVED_API_FILE)
-
-update-lineage-api : update-lineage-public-api
-
-.PHONY: update-lineage-prebuilts-latest-public-api
-current_sdk_release_text_file := $(LINEAGE_SRC_API_DIR)/$(lineage_last_released_sdk_version).txt
-
-update-lineage-prebuilts-latest-public-api: $(FRAMEWORK_LINEAGE_PLATFORM_API_FILE) | $(ACP)
-	@echo "Publishing lineage_current.txt as latest API release"
-	$(hide) $(ACP) $(FRAMEWORK_LINEAGE_PLATFORM_API_FILE) $(current_sdk_release_text_file)
-
-endif