diff --git a/Android.mk b/Android.mk
index d5a9240..9073ac3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -16,29 +16,4 @@
 
 LOCAL_PATH := $(call my-dir)
 
-# Declares a single sdk module. These targets are referenced by the core build system.
-# $(1): sdk version (e.g. 23, current)
-# $(2): api level (e.g. public, system)
-# $(3): stub jar file path
-define declare-sdk-prebuilt
-include $$(CLEAR_VARS)
-# Format: sdk_<api>_<sdk_version>_<stub_name>
-LOCAL_MODULE := sdk_$(2)_$(1)_$(notdir $(basename $(3)))
-LOCAL_PREBUILT_MODULE_FILE := $(3)
-LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-LOCAL_MODULE_SUFFIX := $$(COMMON_JAVA_PACKAGE_SUFFIX)
-LOCAL_BUILT_MODULE_STEM := $$(LOCAL_MODULE)$$(COMMON_JAVA_PACKAGE_SUFFIX)
-LOCAL_MIN_SDK_VERSION := $(if $(call math_is_number,$(strip $(1))),$(1),$$(PLATFORM_JACK_MIN_SDK_VERSION))
-LOCAL_UNINSTALLABLE_MODULE := true
-# TODO(hansson): change to $(1) after migration is done.
-LOCAL_SDK_VERSION := current
-include $$(BUILD_PREBUILT)
-endef
-
-$(foreach version,$(patsubst $(LOCAL_PATH)/%/public/android.jar,%,$(wildcard $(LOCAL_PATH)/*/public/android.jar)),\
-  $(foreach api_level,core public system,\
-    $(foreach jar_file, $(wildcard $(LOCAL_PATH)/$(version)/$(api_level)/*.jar),\
-      $(eval \
-        $(call declare-sdk-prebuilt,$(version),$(api_level),$(jar_file))))))
-
 include $(call all-makefiles-under,$(LOCAL_PATH))