diff --git a/core/base_rules.mk b/core/base_rules.mk
index 41e808b..d4c9a06 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -420,11 +420,10 @@
 #                 be up-to-date.
 ifdef LOCAL_IS_HOST_MODULE
 ifeq ($(USE_CORE_LIB_BOOTCLASSPATH),true)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-files,core-libart-hostdex,$(LOCAL_IS_HOST_MODULE))
+$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH := -bootclasspath $(call java-lib-deps,core-libart-hostdex,$(LOCAL_IS_HOST_MODULE))
 
 full_shared_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE)) \
-    $(full_shared_java_libs)
+full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
 else
 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH :=
 
@@ -698,86 +697,6 @@
 endif
 
 ###########################################################
-# JACK
-###########################################################
-ifdef LOCAL_JACK_ENABLED
-ifdef need_compile_java
-
-full_static_jack_libs := \
-    $(foreach lib,$(LOCAL_STATIC_JAVA_LIBRARIES), \
-      $(call intermediates-dir-for, \
-        JAVA_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE),COMMON)/classes.jack)
-
-ifeq ($(my_prefix),TARGET_)
-ifeq ($(LOCAL_SDK_VERSION),)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(call jack-lib-files,core-libart)
-else
-ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
-# LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(call jack-lib-files,android_stubs_current)
-else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(call jack-lib-files,android_system_stubs_current)
-else
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(call jack-lib-files,sdk_v$(LOCAL_SDK_VERSION))
-endif # current or system_current
-endif # LOCAL_SDK_VERSION
-endif # TARGET_
-
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_STATIC_JACK_LIBRARIES := $(full_static_jack_libs)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VM_ARGS := $(LOCAL_JACK_VM_ARGS)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_EXTRA_ARGS := $(LOCAL_JACK_EXTRA_ARGS)
-
-ifdef LOCAL_IS_HOST_MODULE
-ifeq ($(USE_CORE_LIB_BOOTCLASSPATH),true)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES := $(call jack-lib-files,core-libart-hostdex,$(LOCAL_IS_HOST_MODULE))
-full_shared_jack_libs := $(call jack-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_jack_lib_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-else
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES :=
-full_shared_jack_libs := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_jack_lib_deps := $(full_shared_jack_libs)
-endif # USE_CORE_LIB_BOOTCLASSPATH
-else # !LOCAL_IS_HOST_MODULE
-full_shared_jack_libs := $(call jack-lib-files,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-full_jack_lib_deps := $(call jack-lib-deps,$(LOCAL_JAVA_LIBRARIES),$(LOCAL_IS_HOST_MODULE))
-endif # !LOCAL_IS_HOST_MODULE
-full_jack_libs := $(full_shared_jack_libs) $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
-full_jack_lib_deps += $(full_static_jack_libs) $(LOCAL_JACK_CLASSPATH)
-
-# This is set by packages that are linking to other packages that export
-# shared libraries, allowing them to make use of the code in the linked apk.
-ifneq ($(apk_libraries),)
-  link_apk_jack_libraries := \
-      $(foreach lib,$(apk_libraries), \
-        $(call intermediates-dir-for, \
-              APPS,$(lib),,COMMON)/classes.jack)
-
-  # link against the jar with full original names (before proguard processing).
-  full_shared_jack_libs += $(link_apk_jack_libraries)
-  full_jack_libs += $(link_apk_jack_libraries)
-  full_jack_lib_deps += $(link_apk_jack_libraries)
-endif
-
-# This is set by packages that contain instrumentation, allowing them to
-# link against the package they are instrumenting.  Currently only one such
-# package is allowed.
-ifdef LOCAL_INSTRUMENTATION_FOR
-
-   # link against the jar with full original names (before proguard processing).
-   link_instr_classes_jack := $(link_instr_intermediates_dir.COMMON)/classes.noshrob.jack
-   full_jack_libs += $(link_instr_classes_jack)
-   full_jack_lib_deps += $(link_instr_classes_jack)
-endif
-
-endif  # need_compile_java
-
-# Propagate local configuration options to this target.
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_ALL_JACK_LIBRARIES:= $(full_jack_libs)
-$(LOCAL_INTERMEDIATE_TARGETS) : PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
-
-endif # LOCAL_JACK_ENABLED
-
-###########################################################
 ## NOTICE files
 ###########################################################
 
diff --git a/core/cleanbuild.mk b/core/cleanbuild.mk
index b76e7a5..0753eb2 100644
--- a/core/cleanbuild.mk
+++ b/core/cleanbuild.mk
@@ -285,22 +285,3 @@
   $(info *** Done with the cleaning, now starting the real build.)
 endif
 force_objclean :=
-
-.PHONY: clean-jack-files
-clean-jack-files: clean-dex-files
-	$(hide) find $(OUT_DIR) -name "*.jack" | xargs rm -f
-	$(hide) find $(OUT_DIR) -type d -name "jack" | xargs rm -rf
-	@echo "All jack files have been removed."
-
-.PHONY: clean-dex-files
-clean-dex-files:
-	$(hide) find $(OUT_DIR) -name "*.dex" ! -path "*/jack-incremental/*" | xargs rm -f
-	$(hide) for i in `find $(OUT_DIR) -name "*.jar" -o -name "*.apk"` ; do ((unzip -l $$i 2> /dev/null | \
-				grep -q "\.dex$$" && rm -f $$i) || continue ) ; done
-	@echo "All dex files and archives containing dex files have been removed."
-
-.PHONY: clean-jack-incremental
-clean-jack-incremental:
-	$(hide) find $(OUT_DIR) -name "jack-incremental" -type d | xargs rm -rf
-	@echo "All jack incremental dirs have been removed."
-
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index f30c8ba..76451c6 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -74,7 +74,6 @@
 LOCAL_JAVA_LAYERS_FILE:=
 LOCAL_NO_STANDARD_LIBRARIES:=
 LOCAL_CLASSPATH:=
-LOCAL_JACK_CLASSPATH:=
 LOCAL_DROIDDOC_USE_STANDARD_DOCLET:=
 LOCAL_DROIDDOC_SOURCE_PATH:=
 LOCAL_DROIDDOC_TEMPLATE_DIR:=
@@ -108,11 +107,6 @@
 LOCAL_ADDITIONAL_JAVA_DIR:=
 LOCAL_ALLOW_UNDEFINED_SYMBOLS:=
 LOCAL_DX_FLAGS:=
-LOCAL_JACK_ENABLED:=$(DEFAULT_JACK_ENABLED) # '' (ie disabled), disabled, full, incremental
-LOCAL_JACK_VM_ARGS := $(DEFAULT_JACK_VM_ARGS)
-LOCAL_JACK_EXTRA_ARGS := $(DEFAULT_JACK_EXTRA_ARGS)
-LOCAL_JACK_FLAGS:=
-LOCAL_JILL_FLAGS:=
 LOCAL_CERTIFICATE:=
 LOCAL_SDK_VERSION:=
 LOCAL_SDK_RES_VERSION:=
@@ -120,7 +114,6 @@
 LOCAL_EMMA_INSTRUMENT:=
 LOCAL_PROGUARD_ENABLED:= # '',full,custom,nosystem,disabled,obfuscation,optimization
 LOCAL_PROGUARD_FLAGS:=
-LOCAL_JACK_PROGUARD_FLAGS:=
 LOCAL_PROGUARD_FLAG_FILES:=
 LOCAL_TEST_MODULE_TO_PROGUARD_WITH:=
 LOCAL_EMMA_COVERAGE_FILTER:=
diff --git a/core/config.mk b/core/config.mk
index 07c392a..69b5511 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -136,12 +136,6 @@
 # list of flags to turn specific warnings in to errors
 TARGET_ERROR_FLAGS := -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point
 
-ifdef TMPDIR
-JAVA_TMPDIR_ARG := -Djava.io.tmpdir=$(TMPDIR)
-else
-JAVA_TMPDIR_ARG :=
-endif
-
 # ###############################################################
 # Include sub-configuration files
 # ###############################################################
@@ -376,11 +370,6 @@
 
 # ---------------------------------------------------------------
 # Generic tools.
-JACK := $(HOST_OUT_EXECUTABLES)/jack
-JACK_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jack.jar
-JACK_LAUNCHER_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jack-launcher.jar
-JILL_JAR := $(HOST_OUT_JAVA_LIBRARIES)/jill.jar
-JACK_MULTIDEX_DEFAULT_PREPROCESSOR := frameworks/multidex/library/resources/JACK-INF/legacyMultidexInstallation.jpp
 
 LEX := prebuilts/misc/$(BUILD_OS)-$(HOST_PREBUILT_ARCH)/flex/flex-2.5.39
 # The default PKGDATADIR built in the prebuilt bison is a relative path
@@ -424,42 +413,6 @@
 TUNE2FS := $(HOST_OUT_EXECUTABLES)/tune2fs$(HOST_EXECUTABLE_SUFFIX)
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)
 JARJAR := $(HOST_OUT_JAVA_LIBRARIES)/jarjar.jar
-
-ifeq ($(ANDROID_COMPILE_WITH_JACK),true)
-DEFAULT_JACK_ENABLED:=full
-else
-DEFAULT_JACK_ENABLED:=
-endif
-ifneq ($(strip $(ANDROID_JACK_VM)),)
-JACK_VM := $(ANDROID_JACK_VM)
-else
-JACK_VM := java
-endif
-# call jack
-#
-# $(1): vm arguments
-# $(2): jack perf arguments
-ifneq (,$(strip $(filter dist,$(MAKECMDGOALS))))
-JACK_SERVER_LOG_COMMAND := mkdir -p $(DIST_DIR)/logs/; SERVER_LOG=$(DIST_DIR)/logs/jack-server.log
-endif
-define call-jack
-$(JACK_SERVER_LOG_COMMAND) JACK_VM_COMMAND="$(JACK_VM) $(1) $(JAVA_TMPDIR_ARG) -jar $(JACK_LAUNCHER_JAR) " JACK_JAR="$(JACK_JAR)" $(JACK) $(2)
-endef
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_VM_ARGS := $(DEFAULT_JACK_VM_ARGS)
-ifneq ($(ANDROID_JACK_VM_ARGS),)
-DEFAULT_JACK_VM_ARGS := $(ANDROID_JACK_VM_ARGS)
-else
-DEFAULT_JACK_VM_ARGS := -Dfile.encoding=UTF-8 -Xms2560m -XX:+TieredCompilation
-endif
-ifneq ($(ANDROID_JACK_EXTRA_ARGS),)
-DEFAULT_JACK_EXTRA_ARGS := $(ANDROID_JACK_EXTRA_ARGS)
-else
-DEFAULT_JACK_EXTRA_ARGS := @$(BUILD_SYSTEM)/jack-default.args
-endif
-# Turn off jack warnings by default.
-DEFAULT_JACK_EXTRA_ARGS += --verbose error
-
-JILL := java -jar $(JILL_JAR)
 PROGUARD := external/proguard/bin/proguard.sh
 JAVATAGS := build/tools/java-event-log-tags.py
 LLVM_RS_CC := $(HOST_OUT_EXECUTABLES)/llvm-rs-cc$(HOST_EXECUTABLE_SUFFIX)
diff --git a/core/configure_local_jack.mk b/core/configure_local_jack.mk
deleted file mode 100644
index 98b13d2..0000000
--- a/core/configure_local_jack.mk
+++ /dev/null
@@ -1,30 +0,0 @@
-#
-# Copyright (C) 2008 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.
-#
-
-ifdef ANDROID_FORCE_JACK_ENABLED
-LOCAL_JACK_ENABLED := $(ANDROID_FORCE_JACK_ENABLED)
-endif
-LOCAL_JACK_ENABLED := $(strip $(LOCAL_JACK_ENABLED))
-ifneq ($(LOCAL_JACK_ENABLED),full)
-ifneq ($(LOCAL_JACK_ENABLED),incremental)
-ifdef LOCAL_JACK_ENABLED
-ifneq ($(LOCAL_JACK_ENABLED),disabled)
-$(error $(LOCAL_PATH): invalid LOCAL_JACK_ENABLED "$(LOCAL_JACK_ENABLED)" for $(LOCAL_MODULE))
-endif
-endif
-LOCAL_JACK_ENABLED :=
-endif
-endif
diff --git a/core/definitions.mk b/core/definitions.mk
index c1841dc..2f71d7f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -403,14 +403,6 @@
 endef
 
 ###########################################################
-## Reverse order of a list
-###########################################################
-
-define reverse-list
-$(if $(1),$(call reverse-list,$(wordlist 2,$(words $(1)),$(1)))) $(firstword $(1))
-endef
-
-###########################################################
 ## The intermediates directory.  Where object files go for
 ## a given target.  We could technically get away without
 ## the "_intermediates" suffix on the directory, but it's
@@ -610,36 +602,6 @@
 endef
 
 ###########################################################
-## Convert "core ext framework" to "out/.../classes.jack ..."
-## $(1): library list
-## $(2): Non-empty if IS_HOST_MODULE
-###########################################################
-
-# $(1): library name
-# $(2): Non-empty if IS_HOST_MODULE
-define _jack-lib-full-classes
-$(call _java-lib-dir,$(1),$(2))/classes.jack
-endef
-
-# $(1): library name list
-# $(2): Non-empty if IS_HOST_MODULE
-define jack-lib-files
-$(foreach lib,$(1),$(call _jack-lib-full-classes,$(lib),$(2)))
-endef
-
-# $(1): library name
-# $(2): Non-empty if IS_HOST_MODULE
-define _jack-lib-full-dep
-$(call _jack-lib-full-classes,$(1),$(2))
-endef
-
-# $(1): library name list
-# $(2): Non-empty if IS_HOST_MODULE
-define jack-lib-deps
-$(foreach lib,$(1),$(call _jack-lib-full-dep,$(lib),$(2)))
-endef
-
-###########################################################
 ## Run rot13 on a string
 ## $(1): the string.  Must be one line.
 ###########################################################
@@ -1802,147 +1764,6 @@
 $(call compile-java,$(TARGET_JAVAC),$(PRIVATE_BOOTCLASSPATH))
 endef
 
-# Invoke Jack to compile java from source to dex and jack files.
-#
-# Some historical notes:
-# - below we write the list of java files to java-source-list to avoid argument
-#   list length problems with Cygwin
-# - we filter out duplicate java file names because Jack doesn't like them.
-define jack-java-to-dex
-$(hide) rm -f $@
-$(hide) rm -f $(PRIVATE_CLASSES_JACK)
-$(hide) rm -rf $(PRIVATE_JACK_INTERMEDIATES_DIR)
-$(hide) mkdir -p $(dir $@)
-$(hide) mkdir -p $(dir $(PRIVATE_CLASSES_JACK))
-$(hide) mkdir -p $(PRIVATE_JACK_INTERMEDIATES_DIR)
-$(if $(PRIVATE_JACK_INCREMENTAL_DIR),$(hide) mkdir -p $(PRIVATE_JACK_INCREMENTAL_DIR))
-$(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list)
-$(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
-          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list; \
-fi
-$(hide) tr ' ' '\n' < $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list \
-    | sort -u > $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq
-$(if $(PRIVATE_JACK_PROGUARD_FLAGS), \
-    $(hide) echo -basedirectory $(CURDIR) > $@.flags; \
-    echo $(PRIVATE_JACK_PROGUARD_FLAGS) >> $@.flags; \
-)
-$(if $(PRIVATE_EXTRA_JAR_ARGS),
-    $(hide) mkdir -p $@.res.tmp
-    $(hide) $(call create-empty-package-at,$@.res.tmp.zip)
-    $(hide) $(call add-java-resources-to,$@.res.tmp.zip)
-    $(hide) $(call unzip-jar-files,$@.res.tmp.zip,$@.res.tmp)
-    $(hide) rm $@.res.tmp.zip)
-$(hide) if [ -s $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
-    export tmpEcjArg="@$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq"; \
-else \
-    export tmpEcjArg=""; \
-fi; \
-$(call call-jack,$(PRIVATE_JACK_VM_ARGS),$(PRIVATE_JACK_EXTRA_ARGS)) \
-    $(strip $(PRIVATE_JACK_FLAGS)) \
-    $(strip $(PRIVATE_JACK_DEBUG_FLAGS)) \
-    $(if $(NO_OPTIMIZE_DX), \
-        -D jack.dex.optimize="false") \
-    $(if $(PRIVATE_RMTYPEDEFS), \
-        -D jack.android.remove-typedef="true") \
-    $(addprefix --classpath ,$(strip \
-        $(call normalize-path-list,$(PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES) $(PRIVATE_ALL_JACK_LIBRARIES)))) \
-    $(addprefix --import ,$(call reverse-list,$(PRIVATE_STATIC_JACK_LIBRARIES))) \
-    $(if $(PRIVATE_EXTRA_JAR_ARGS),--import-resource $@.res.tmp) \
-    -D jack.import.resource.policy=keep-first \
-    -D jack.import.type.policy=keep-first \
-    --output-jack $(PRIVATE_CLASSES_JACK) \
-    -D jack.java.source.version=1.7 \
-    $(if $(PRIVATE_JACK_INCREMENTAL_DIR),--incremental-folder $(PRIVATE_JACK_INCREMENTAL_DIR)) \
-    --output-dex $(PRIVATE_JACK_INTERMEDIATES_DIR) \
-    $(addprefix --config-jarjar ,$(strip $(PRIVATE_JARJAR_RULES))) \
-    $(if $(PRIVATE_JACK_PROGUARD_FLAGS),--config-proguard $@.flags) \
-    $$tmpEcjArg \
-    || ( rm -rf $(PRIVATE_CLASSES_JACK); rm -rf $(PRIVATE_JACK_INTERMEDIATES_DIR); exit 41 )
-$(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/classes*.dex $(dir $@)
-$(hide) rm -f $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list
-$(if $(PRIVATE_EXTRA_JAR_ARGS),$(hide) rm -rf $@.res.tmp)
-$(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq $(PRIVATE_JACK_INTERMEDIATES_DIR).java-source-list
-$(if $(PRIVATE_JAR_PACKAGES), $(hide) echo unsupported options PRIVATE_JAR_PACKAGES in $@; exit 53)
-$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) echo unsupported options JAR_EXCLUDE_PACKAGES in $@; exit 53)
-$(if $(PRIVATE_JAR_MANIFEST), $(hide) echo unsupported options JAR_MANIFEST in $@; exit 53)
-endef
-
-define transform-jar-to-jack
-	$(hide) mkdir -p $(dir $@)
-	$(JILL) $(PRIVATE_JILL_FLAGS) --output $@.tmpjill.jack $<
-	$(hide) mkdir -p $@.tmpjill.res
-	$(hide) $(call unzip-jar-files,$<,$@.tmpjill.res)
-	$(hide) find $@.tmpjill.res -iname "*.class" -delete
-	$(hide) $(call call-jack,$(PRIVATE_JACK_VM_ARGS),$(PRIVATE_JACK_EXTRA_ARGS)) \
-        -D jack.import.resource.policy=keep-first \
-        -D jack.import.type.policy=keep-first \
-	    --import $@.tmpjill.jack \
-	    --import-resource $@.tmpjill.res \
-	    --output-jack $@
-	$(hide) rm -rf $@.tmpjill.res
-	$(hide) rm $@.tmpjill.jack
-endef
-
-
-# Invoke Jack to compile java from source to jack files without shrink or obfuscation.
-#
-# Some historical notes:
-# - below we write the list of java files to java-source-list to avoid argument
-#   list length problems with Cygwin
-# - we filter out duplicate java file names because Jack doesn't like them.
-define java-to-jack
-$(hide) rm -f $@
-$(hide) rm -rf $(PRIVATE_JACK_INTERMEDIATES_DIR)
-$(hide) mkdir -p $(dir $@)
-$(hide) mkdir -p $(PRIVATE_JACK_INTERMEDIATES_DIR)
-$(if $(PRIVATE_JACK_INCREMENTAL_DIR),$(hide) mkdir -p $(PRIVATE_JACK_INCREMENTAL_DIR))
-$(call dump-words-to-file,$(PRIVATE_JAVA_SOURCES),$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list)
-$(hide) if [ -d "$(PRIVATE_SOURCE_INTERMEDIATES_DIR)" ]; then \
-          find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name '*.java' >> $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list; \
-fi
-$(hide) tr ' ' '\n' < $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list \
-    | sort -u > $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq
-$(if $(PRIVATE_JACK_PROGUARD_FLAGS), \
-    $(hide) echo -basedirectory $(CURDIR) > $@.flags; \
-    echo $(PRIVATE_JACK_PROGUARD_FLAGS) >> $@.flags; \
-)
-$(if $(PRIVATE_EXTRA_JAR_ARGS),
-	$(hide) mkdir -p $@.res.tmp
-	$(hide) $(call create-empty-package-at,$@.res.tmp.zip)
-	$(hide) $(call add-java-resources-to,$@.res.tmp.zip)
-	$(hide) unzip -qo $@.res.tmp.zip -d $@.res.tmp
-	$(hide) rm $@.res.tmp.zip)
-$(hide) if [ -s $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq ] ; then \
-    export tmpEcjArg="@$(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq"; \
-else \
-    export tmpEcjArg=""; \
-fi; \
-$(call call-jack,$(PRIVATE_JACK_VM_ARGS),$(PRIVATE_JACK_EXTRA_ARGS)) \
-    $(strip $(PRIVATE_JACK_FLAGS)) \
-    $(strip $(PRIVATE_JACK_DEBUG_FLAGS)) \
-    $(if $(NO_OPTIMIZE_DX), \
-        -D jack.dex.optimize="false") \
-    $(addprefix --classpath ,$(strip \
-        $(call normalize-path-list,$(PRIVATE_BOOTCLASSPATH_JAVA_LIBRARIES) $(PRIVATE_ALL_JACK_LIBRARIES)))) \
-    $(addprefix --import ,$(call reverse-list,$(PRIVATE_STATIC_JACK_LIBRARIES))) \
-    $(if $(PRIVATE_EXTRA_JAR_ARGS),--import-resource $@.res.tmp) \
-    -D jack.import.resource.policy=keep-first \
-    -D jack.import.type.policy=keep-first \
-    -D jack.java.source.version=1.7 \
-    $(if $(PRIVATE_JACK_INCREMENTAL_DIR),--incremental-folder $(PRIVATE_JACK_INCREMENTAL_DIR)) \
-    --output-jack $@ \
-    $(addprefix --config-jarjar ,$(strip $(PRIVATE_JARJAR_RULES))) \
-    $(if $(PRIVATE_JACK_PROGUARD_FLAGS),--config-proguard $@.flags) \
-    $$tmpEcjArg \
-    || ( rm -f $@ ; exit 41 )
-$(hide) rm -f $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list
-$(if $(PRIVATE_EXTRA_JAR_ARGS),$(hide) rm -rf $@.res.tmp)
-$(hide) mv $(PRIVATE_JACK_INTERMEDIATES_DIR)/java-source-list-uniq $(PRIVATE_JACK_INTERMEDIATES_DIR).java-source-list
-$(if $(PRIVATE_JAR_PACKAGES), $(hide) echo unsupported options PRIVATE_JAR_PACKAGES in $@; exit 53)
-$(if $(PRIVATE_JAR_EXCLUDE_PACKAGES), $(hide) echo unsupported options JAR_EXCLUDE_PACKAGES in $@; exit 53)
-$(if $(PRIVATE_JAR_MANIFEST), $(hide) echo unsupported options JAR_MANIFEST in $@; exit 53)
-endef
-
 # Override the above definitions if we want to do incremetal javac
 ifeq (true, $(ENABLE_INCREMENTALJAVAC))
 define compile-java
@@ -2036,31 +1857,12 @@
 # Create a mostly-empty .jar file that we'll add to later.
 # The MacOS jar tool doesn't like creating empty jar files,
 # so we need to give it something.
-# $(1) package to create
-define create-empty-package-at
-@mkdir -p $(dir $(1))
-$(hide) touch $(dir $(1))dummy
-$(hide) (cd $(dir $(1)) && jar cf $(notdir $(1)) dummy)
-$(hide) zip -qd $(1) dummy
-$(hide) rm $(dir $(1))dummy
-endef
-
-# Create a mostly-empty .jar file that we'll add to later.
-# The MacOS jar tool doesn't like creating empty jar files,
-# so we need to give it something.
 define create-empty-package
-@mkdir -p $(dir $(1))
-$(hide) touch $(dir $(1))zipdummy
-$(hide) (cd $(dir $(1)) && jar cf $(notdir $(1)) zipdummy)
-$(hide) zip -qd $(1) zipdummy
-$(hide) rm $(dir $(1))zipdummy
-endef
-
-# Create a mostly-empty .jar file that we'll add to later.
-# The MacOS jar tool doesn't like creating empty jar files,
-# so we need to give it something.
-define create-empty-package
-$(call create-empty-package-at,$@)
+@mkdir -p $(dir $@)
+$(hide) touch $(dir $@)zipdummy
+$(hide) (cd $(dir $@) && jar cf $(notdir $@) zipdummy)
+$(hide) zip -qd $@ zipdummy
+$(hide) rm $(dir $@)zipdummy
 endef
 
 # Copy an arhchive file and delete any class files and empty folders inside.
@@ -2134,19 +1936,6 @@
 @rm -f $(1).jar-arg-list
 endef
 
-# Add resources carried by static Jack libraries.
-#
-define add-carried-jack-resources
- $(hide) if [ -d $(PRIVATE_JACK_INTERMEDIATES_DIR) ] ; then \
-    jack_res_jar_flags=$$(find $(PRIVATE_JACK_INTERMEDIATES_DIR) -type f \
-        | sed -e "s?^$(PRIVATE_JACK_INTERMEDIATES_DIR)/? -C $(PRIVATE_JACK_INTERMEDIATES_DIR) ?"); \
-    if [ -n "$$jack_res_jar_flags" ] ; then \
-        echo $$jack_res_jar_flags >$(dir $@)jack_res_jar_flags; \
-        jar uf $@ $$jack_res_jar_flags; \
-    fi; \
-fi
-endef
-
 # Sign a package using the specified key/cert.
 #
 define sign-package
diff --git a/core/dpi_specific_apk.mk b/core/dpi_specific_apk.mk
index 5d0b5bf..06e498d 100644
--- a/core/dpi_specific_apk.mk
+++ b/core/dpi_specific_apk.mk
@@ -25,35 +25,24 @@
 $(built_dpi_apk): PRIVATE_MANIFEST_INSTRUMENTATION_FOR := $(LOCAL_INSTRUMENTATION_FOR)
 $(built_dpi_apk): PRIVATE_JNI_SHARED_LIBRARIES := $(jni_shared_libraries_with_abis)
 $(built_dpi_apk): PRIVATE_JNI_SHARED_LIBRARIES_ABI := $(jni_shared_libraries_abis)
+$(built_dpi_apk): PRIVATE_DEX_FILE := $(built_dex)
+# Note that PRIVATE_CLASS_INTERMEDIATES_DIR points to the base apk's intermediate dir.
+$(built_dpi_apk): PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates)/classes
+$(built_dpi_apk): PRIVATE_EXTRA_JAR_ARGS := $(extra_jar_args)
 $(built_dpi_apk): PRIVATE_PRIVATE_KEY := $(private_key)
 $(built_dpi_apk): PRIVATE_CERTIFICATE := $(certificate)
 $(built_dpi_apk): PRIVATE_ADDITIONAL_CERTIFICATES := $(foreach c,\
     $(LOCAL_ADDITIONAL_CERTIFICATES), $(c).x509.pem $(c).pk8)
 
-$(built_dpi_apk): PRIVATE_SOURCE_ARCHIVE :=
-ifneq ($(full_classes_jar),)
-$(built_dpi_apk): PRIVATE_DEX_FILE := $(built_dex)
-ifndef LOCAL_JACK_ENABLED
-# Use the jarjar processed arhive as the initial package file.
-$(built_dpi_apk): PRIVATE_SOURCE_ARCHIVE := $(full_classes_jarjar_jar)
-else
-$(built_dpi_apk): PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
-endif # LOCAL_JACK_ENABLED
-$(built_dpi_apk): $(built_dex)
-else
-$(built_dpi_apk): PRIVATE_DEX_FILE :=
-endif # full_classes_jar
-
 # Set up dependenncies and the build recipe.
 $(built_dpi_apk) : $(R_file_stamp)
 $(built_dpi_apk) : $(all_library_res_package_export_deps)
+$(built_dpi_apk) : $(built_dex)
 $(built_dpi_apk) : $(private_key) $(certificate) $(SIGNAPK_JAR)
 $(built_dpi_apk) : $(AAPT) | $(ZIPALIGN)
 $(built_dpi_apk) : $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
-	$(if $(PRIVATE_SOURCE_ARCHIVE),\
-	  $(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@),\
-	  $(create-empty-package))
+	$(create-empty-package)
 	$(add-assets-to-package)
 ifneq ($(jni_shared_libraries),)
 	$(add-jni-shared-libs-to-package)
@@ -63,9 +52,10 @@
 	$(if $(PRIVATE_EXTRA_JAR_ARGS),$(call add-java-resources-to,$@))
 else
 	$(add-dex-to-package)
-ifdef LOCAL_JACK_ENABLED
-	$(add-carried-jack-resources)
 endif
+	$(add-carried-java-resources)
+ifneq ($(extra_jar_args),)
+	$(add-java-resources-to-package)
 endif
 	$(sign-package)
 	$(align-package)
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index 4814d70..f8264ee 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -34,13 +34,11 @@
 full_classes_compiled_jar := $(intermediates.COMMON)/classes-full-debug.jar
 full_classes_jarjar_jar := $(intermediates.COMMON)/classes-jarjar.jar
 full_classes_jar := $(intermediates.COMMON)/classes.jar
-full_classes_jack := $(intermediates.COMMON)/classes.jack
 built_dex := $(intermediates.COMMON)/classes.dex
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
     $(full_classes_jarjar_jar) \
-    $(full_classes_jack) \
     $(full_classes_jar) \
     $(built_dex)
 
@@ -63,7 +61,6 @@
 	PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates.COMMON)/classes
 $(LOCAL_INTERMEDIATE_TARGETS): \
 	PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RMTYPEDEFS :=
 
 $(cleantarget): PRIVATE_CLEAN_FILES += $(intermediates.COMMON)
 
@@ -72,6 +69,7 @@
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
+$(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
 $(full_classes_compiled_jar): \
         $(java_sources) \
         $(java_resource_sources) \
@@ -98,7 +96,6 @@
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@
 
-ifndef LOCAL_JACK_ENABLED
 $(built_dex): PRIVATE_INTERMEDIATES_DIR := $(intermediates.COMMON)
 $(built_dex): PRIVATE_DX_FLAGS := $(LOCAL_DX_FLAGS)
 $(built_dex): $(full_classes_jar) $(DX)
@@ -112,42 +109,6 @@
 	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
 	$(add-dex-to-package)
 
-else # LOCAL_JACK_ENABLED
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
-
-ifeq ($(LOCAL_JACK_ENABLED),incremental)
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-incremental
-else
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_JACK_INCREMENTAL_DIR :=
-endif
-$(LOCAL_INTERMEDIATE_TARGETS):  PRIVATE_JACK_DEBUG_FLAGS := -g
-
-$(built_dex): PRIVATE_CLASSES_JACK := $(full_classes_jack)
-$(built_dex): PRIVATE_JACK_FLAGS := $(LOCAL_JACK_FLAGS)
-$(built_dex): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
-        $(jar_manifest_file) $(proto_java_sources_file_stamp) $(LOCAL_MODULE_MAKEFILE) \
-        $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
-	@echo Building with Jack: $@
-	$(jack-java-to-dex)
-
-# $(full_classes_jack) is just by-product of $(built_dex).
-# The dummy command was added because, without it, make misses the fact the $(built_dex) also
-# change $(full_classes_jack).
-$(full_classes_jack): $(built_dex)
-	$(hide) touch $@
-
-$(LOCAL_BUILT_MODULE): PRIVATE_DEX_FILE := $(built_dex)
-$(LOCAL_BUILT_MODULE): $(built_dex) $(java_resource_sources)
-	@echo "Host Jar: $(PRIVATE_MODULE) ($@)"
-	$(create-empty-package)
-	$(add-dex-to-package)
-	$(add-carried-jack-resources)
-
-endif # LOCAL_JACK_ENABLED
-
 USE_CORE_LIB_BOOTCLASSPATH :=
 
 endif
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index 90bcc12..9e5aaa3 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -21,37 +21,11 @@
 #
 ifeq ($(HOST_OS),linux)
 
-LOCAL_UNINSTALLABLE_MODULE := true
-LOCAL_IS_STATIC_JAVA_LIBRARY := true
 USE_CORE_LIB_BOOTCLASSPATH := true
 LOCAL_JAVA_LIBRARIES += core-libart-hostdex
 
-intermediates.COMMON := $(call intermediates-dir-for,JAVA_LIBRARIES,$(LOCAL_MODULE),true,COMMON,)
-full_classes_jack := $(intermediates.COMMON)/classes.jack
-LOCAL_INTERMEDIATE_TARGETS += \
-    $(full_classes_jack)
-
 include $(BUILD_SYSTEM)/host_java_library.mk
-# proguard is not supported
-# *.proto files are not supported
-$(full_classes_jack): PRIVATE_JACK_FLAGS := $(LOCAL_JACK_FLAGS)
-$(full_classes_jack): PRIVATE_JARJAR_RULES := $(LOCAL_JARJAR_RULES)
-$(full_classes_jack): \
-	PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
-ifeq ($(LOCAL_JACK_ENABLED),incremental)
-$(full_classes_jack): \
-	PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-incremental
-else
-$(full_classes_jack): \
-	PRIVATE_JACK_INCREMENTAL_DIR :=
-endif
-$(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
-        $(jar_manifest_file) $(layers_file) $(LOCAL_MODULE_MAKEFILE) \
-        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
-        $(JACK_JAR) $(JACK_LAUNCHER_JAR)
-	@echo Building with Jack: $@
-	$(java-to-jack)
 
 USE_CORE_LIB_BOOTCLASSPATH :=
-LOCAL_IS_STATIC_JAVA_LIBRARY :=
+
 endif
diff --git a/core/host_java_library.mk b/core/host_java_library.mk
index 47189d7..b751c5f 100644
--- a/core/host_java_library.mk
+++ b/core/host_java_library.mk
@@ -43,8 +43,6 @@
 include $(BUILD_SYSTEM)/base_rules.mk
 #######################################
 
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RMTYPEDEFS :=
-
 ifeq (true,$(LOCAL_EMMA_INSTRUMENT))
 $(full_classes_emma_jar): PRIVATE_EMMA_COVERAGE_FILE := $(intermediates.COMMON)/coverage.em
 $(full_classes_emma_jar): PRIVATE_EMMA_INTERMEDIATES_DIR := $(emma_intermediates_dir)
@@ -60,13 +58,13 @@
 $(full_classes_emma_jar) : $(full_classes_compiled_jar) | $(EMMA_JAR)
 	$(transform-classes.jar-to-emma)
 
-$(built_javalib_jar) : $(full_classes_emma_jar)
+$(LOCAL_BUILT_MODULE) : $(full_classes_emma_jar)
 	@echo Copying: $@
 	$(hide) $(ACP) -fp $< $@
 
 else # LOCAL_EMMA_INSTRUMENT
-# Directly build into $(built_javalib_jar).
-full_classes_compiled_jar := $(built_javalib_jar)
+# Directly build into LOCAL_BUILT_MODULE.
+full_classes_compiled_jar := $(LOCAL_BUILT_MODULE)
 endif # LOCAL_EMMA_INSTRUMENT
 
 $(full_classes_compiled_jar): PRIVATE_JAVAC_DEBUG_FLAGS := -g
@@ -80,6 +78,7 @@
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES :=
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES :=
+$(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS :=
 $(full_classes_compiled_jar): \
         $(java_sources) \
         $(java_resource_sources) \
diff --git a/core/host_java_library_common.mk b/core/host_java_library_common.mk
index d077634..cd9e679 100644
--- a/core/host_java_library_common.mk
+++ b/core/host_java_library_common.mk
@@ -23,22 +23,6 @@
 LOCAL_IS_HOST_MODULE := true
 LOCAL_BUILT_MODULE_STEM := javalib.jar
 
-intermediates := $(call local-intermediates-dir)
-intermediates.COMMON := $(call local-intermediates-dir,COMMON)
-
-built_javalib_jar := $(intermediates)/javalib.jar
-
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
-ifdef LOCAL_IS_STATIC_JAVA_LIBRARY
-LOCAL_BUILT_MODULE_STEM := classes.jack
-LOCAL_INTERMEDIATE_TARGETS += $(built_javalib_jar)
-endif
-endif
-
 # base_rules.mk looks at this
 all_res_assets :=
 
@@ -55,6 +39,9 @@
 endif
 endif
 
+intermediates := $(call local-intermediates-dir)
+intermediates.COMMON := $(call local-intermediates-dir,COMMON)
+
 LOCAL_INTERMEDIATE_SOURCE_DIR := $(intermediates.COMMON)/src
 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
 
diff --git a/core/jack-default.args b/core/jack-default.args
deleted file mode 100644
index 8d70a82..0000000
--- a/core/jack-default.args
+++ /dev/null
@@ -1,5 +0,0 @@
--D sched.runner=multi-threaded
--D sched.runner.thread.kind=fixed
--D sched.runner.thread.fixed.count=4
---sanity-checks off
--D jack.reporter.level.file=error=--,warning=-
\ No newline at end of file
diff --git a/core/java.mk b/core/java.mk
index 4885d74..fc4703c 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -112,10 +112,6 @@
 full_classes_jar := $(intermediates.COMMON)/classes.jar
 built_dex := $(intermediates.COMMON)/classes.dex
 endif
-# final Jack library, shrinked and obfuscated if it must be
-full_classes_jack := $(intermediates.COMMON)/classes.jack
-# intermediate Jack library without shrink and obfuscation
-noshrob_classes_jack := $(intermediates.COMMON)/classes.noshrob.jack
 
 LOCAL_INTERMEDIATE_TARGETS += \
     $(full_classes_compiled_jar) \
@@ -124,8 +120,6 @@
     $(full_classes_jar) \
     $(full_classes_proguard_jar) \
     $(built_dex_intermediate) \
-    $(full_classes_jack) \
-    $(noshrob_classes_jack) \
     $(built_dex) \
     $(full_classes_stubs_jar)
 
@@ -328,7 +322,6 @@
 	PRIVATE_CLASS_INTERMEDIATES_DIR := $(intermediates.COMMON)/classes
 $(LOCAL_INTERMEDIATE_TARGETS): \
 	PRIVATE_SOURCE_INTERMEDIATES_DIR := $(LOCAL_INTERMEDIATE_SOURCE_DIR)
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_RMTYPEDEFS := $(LOCAL_RMTYPEDEFS)
 
 # Since we're using intermediates.COMMON, make sure that it gets cleaned
 # properly.
@@ -345,7 +338,7 @@
 # - This extra copy, with the dependency on LOCAL_BUILT_MODULE allows the
 #   PRIVATE_ vars to be preserved.
 $(full_classes_stubs_jar): PRIVATE_SOURCE_FILE := $(full_classes_jar)
-$(full_classes_stubs_jar) : $(full_classes_jar) | $(ACP)
+$(full_classes_stubs_jar) : $(LOCAL_BUILT_MODULE) | $(ACP)
 	@echo Copying $(PRIVATE_SOURCE_FILE)
 	$(hide) $(ACP) -fp $(PRIVATE_SOURCE_FILE) $@
 ALL_MODULES.$(LOCAL_MODULE).STUBS := $(full_classes_stubs_jar)
@@ -368,6 +361,7 @@
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_FILES := $(LOCAL_JAR_EXCLUDE_FILES)
 $(full_classes_compiled_jar): PRIVATE_JAR_PACKAGES := $(LOCAL_JAR_PACKAGES)
 $(full_classes_compiled_jar): PRIVATE_JAR_EXCLUDE_PACKAGES := $(LOCAL_JAR_EXCLUDE_PACKAGES)
+$(full_classes_compiled_jar): PRIVATE_RMTYPEDEFS := $(LOCAL_RMTYPEDEFS)
 $(full_classes_compiled_jar): PRIVATE_DONT_DELETE_JAR_META_INF := $(LOCAL_DONT_DELETE_JAR_META_INF)
 $(full_classes_compiled_jar): \
         $(java_sources) \
@@ -430,57 +424,50 @@
     $(error invalid value for LOCAL_PROGUARD_ENABLED: $(LOCAL_PROGUARD_ENABLED))
 endif
 proguard_dictionary := $(intermediates.COMMON)/proguard_dictionary
-# jack already has the libraries in its classpath and doesn't support jars
-legacy_proguard_flags := $(addprefix -libraryjars ,$(full_shared_java_libs))
-common_proguard_flags :=  \
+proguard_flags := $(addprefix -libraryjars ,$(full_shared_java_libs)) \
                   -forceprocessing \
                   -printmapping $(proguard_dictionary)
 
 ifeq ($(filter nosystem,$(LOCAL_PROGUARD_ENABLED)),)
-common_proguard_flags += -include $(BUILD_SYSTEM)/proguard.flags
+proguard_flags += -include $(BUILD_SYSTEM)/proguard.flags
 ifeq ($(LOCAL_EMMA_INSTRUMENT),true)
-common_proguard_flags += -include $(BUILD_SYSTEM)/proguard.emma.flags
+proguard_flags += -include $(BUILD_SYSTEM)/proguard.emma.flags
 endif
 # If this is a test package, add proguard keep flags for tests.
 ifneq ($(LOCAL_INSTRUMENTATION_FOR)$(filter tests,$(LOCAL_MODULE_TAGS)),)
-common_proguard_flags += -include $(BUILD_SYSTEM)/proguard_tests.flags
+proguard_flags += -include $(BUILD_SYSTEM)/proguard_tests.flags
 ifeq ($(filter shrinktests,$(LOCAL_PROGUARD_ENABLED)),)
-common_proguard_flags += -dontshrink # don't shrink tests by default
+proguard_flags += -dontshrink # don't shrink tests by default
 endif # shrinktests
 endif # test package
 ifeq ($(filter obfuscation,$(LOCAL_PROGUARD_ENABLED)),)
 # By default no obfuscation
-common_proguard_flags += -dontobfuscate
+proguard_flags += -dontobfuscate
 endif  # No obfuscation
 ifeq ($(filter optimization,$(LOCAL_PROGUARD_ENABLED)),)
 # By default no optimization
-common_proguard_flags += -dontoptimize
+proguard_flags += -dontoptimize
 endif  # No optimization
 
 ifdef LOCAL_INSTRUMENTATION_FOR
 ifeq ($(filter obfuscation,$(LOCAL_PROGUARD_ENABLED)),)
 # If no obfuscation, link in the instrmented package's classes.jar as a library.
 # link_instr_classes_jar is defined in base_rule.mk
-# jack already has this library in its classpath and doesn't support jars
-legacy_proguard_flags += -libraryjars $(link_instr_classes_jar)
+proguard_flags += -libraryjars $(link_instr_classes_jar)
 else # obfuscation
 # If obfuscation is enabled, the main app must be obfuscated too.
 # We need to run obfuscation using the main app's dictionary,
 # and treat the main app's class.jar as injars instead of libraryjars.
-legacy_proguard_flags := -injars  $(link_instr_classes_jar) \
+proguard_flags := -injars  $(link_instr_classes_jar) \
     -outjars $(intermediates.COMMON)/proguard.$(LOCAL_INSTRUMENTATION_FOR).jar \
     -include $(link_instr_intermediates_dir.COMMON)/proguard_options \
     -applymapping $(link_instr_intermediates_dir.COMMON)/proguard_dictionary \
     -verbose \
-    $(legacy_proguard_flags)
-# not supported with jack
-ifdef LOCAL_JACK_ENABLED
-    $(error $(LOCAL_MODULE): Build with jack of instrumentation when obfuscating is not yet supported)
-endif
+    $(proguard_flags)
 
 # Sometimes (test + main app) uses different keep rules from the main app -
 # apply the main app's dictionary anyway.
-legacy_proguard_flags += -ignorewarnings
+proguard_flags += -ignorewarnings
 
 # Make sure we run Proguard on the main app first
 $(full_classes_proguard_jar) : $(link_instr_intermediates_dir.COMMON)/proguard.classes.jar
@@ -498,7 +485,7 @@
 extra_input_jar :=
 endif
 $(full_classes_proguard_jar): PRIVATE_EXTRA_INPUT_JAR := $(extra_input_jar)
-$(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(legacy_proguard_flags) $(common_proguard_flags) $(LOCAL_PROGUARD_FLAGS)
+$(full_classes_proguard_jar): PRIVATE_PROGUARD_FLAGS := $(proguard_flags) $(LOCAL_PROGUARD_FLAGS)
 $(full_classes_proguard_jar) : $(full_classes_jar) $(extra_input_jar) $(proguard_flag_files) | $(ACP) $(PROGUARD)
 	$(call transform-jar-to-proguard)
 
@@ -509,7 +496,7 @@
 
 endif # LOCAL_PROGUARD_ENABLED defined
 
-ifndef LOCAL_JACK_ENABLED
+
 # Override PRIVATE_INTERMEDIATES_DIR so that install-dex-debug
 # will work even when intermediates != intermediates.COMMON.
 $(built_dex_intermediate): PRIVATE_INTERMEDIATES_DIR := $(intermediates.COMMON)
@@ -525,8 +512,6 @@
 endif
 $(built_dex_intermediate): $(full_classes_proguard_jar) $(DX)
 	$(transform-classes.jar-to-dex)
-endif # LOCAL_JACK_ENABLED is disabled
-
 $(built_dex): $(built_dex_intermediate) | $(ACP)
 	@echo Copying: $@
 	$(hide) mkdir -p $(dir $@)
@@ -537,14 +522,17 @@
 endif
 
 findbugs_xml := $(intermediates.COMMON)/findbugs.xml
+$(findbugs_xml) : PRIVATE_JAR_FILE := $(full_classes_jar)
 $(findbugs_xml) : PRIVATE_AUXCLASSPATH := $(addprefix -auxclasspath ,$(strip \
 								$(call normalize-path-list,$(filter %.jar,\
 										$(full_java_libs)))))
-$(findbugs_xml) : $(full_classes_jar)
+# We can't depend directly on full_classes_jar because the PRIVATE_
+# vars won't be set up correctly.
+$(findbugs_xml) : $(LOCAL_BUILT_MODULE)
 	@echo Findbugs: $@
 	$(hide) $(FINDBUGS) -textui -effort:min -xml:withMessages \
 		$(PRIVATE_AUXCLASSPATH) \
-		$< \
+		$(PRIVATE_JAR_FILE) \
 		> $@
 
 ALL_FINDBUGS_FILES += $(findbugs_xml)
@@ -561,72 +549,3 @@
 $(LOCAL_MODULE)-findbugs : $(findbugs_html)
 
 endif  # full_classes_jar is defined
-
-ifdef LOCAL_JACK_ENABLED
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-rsc
-ifeq ($(LOCAL_JACK_ENABLED),incremental)
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-incremental
-else
-$(LOCAL_INTERMEDIATE_TARGETS): \
-	PRIVATE_JACK_INCREMENTAL_DIR :=
-endif
-
-ifdef full_classes_jar
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_DEBUG_FLAGS := -g
-
-ifdef LOCAL_PROGUARD_ENABLED
-
-ifndef LOCAL_JACK_PROGUARD_FLAGS
-    LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
-endif
-LOCAL_JACK_PROGUARD_FLAGS += $(addprefix -include , $(proguard_flag_files))
-ifdef LOCAL_TEST_MODULE_TO_PROGUARD_WITH
-    $(error $(LOCAL_MODULE): Build with jack when LOCAL_TEST_MODULE_TO_PROGUARD_WITH is defined is not yet implemented)
-endif
-
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS := $(common_proguard_flags) $(LOCAL_JACK_PROGUARD_FLAGS)
-else  # LOCAL_PROGUARD_ENABLED not defined
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_PROGUARD_FLAGS :=
-endif # LOCAL_PROGUARD_ENABLED defined
-
-$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_JACK_FLAGS := $(LOCAL_JACK_FLAGS)
-
-jack_all_deps := $(java_sources) $(java_resource_sources) $(full_jack_lib_deps) \
-        $(jar_manifest_file) $(layers_file) $(RenderScript_file_stamp) $(proguard_flag_files) \
-        $(proto_java_sources_file_stamp) $(LOCAL_ADDITIONAL_DEPENDENCIES) $(LOCAL_JARJAR_RULES) \
-        $(LOCAL_MODULE_MAKEFILE) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
-
-ifeq ($(LOCAL_IS_STATIC_JAVA_LIBRARY),true)
-$(full_classes_jack): $(jack_all_deps)
-	@echo Building with Jack: $@
-	$(java-to-jack)
-
-else #LOCAL_IS_STATIC_JAVA_LIBRARY
-$(built_dex_intermediate): PRIVATE_CLASSES_JACK := $(full_classes_jack)
-
-$(built_dex_intermediate): $(jack_all_deps)
-	@echo Building with Jack: $@
-	$(jack-java-to-dex)
-
-# $(full_classes_jack) is just by-product of $(built_dex_intermediate).
-# The dummy command was added because, without it, make misses the fact the $(built_dex) also
-# change $(full_classes_jack).
-$(full_classes_jack): $(built_dex_intermediate)
-	$(hide) touch $@
-
-endif #LOCAL_IS_STATIC_JAVA_LIBRARY
-
-$(noshrob_classes_jack): PRIVATE_JACK_INTERMEDIATES_DIR := $(intermediates.COMMON)/jack-noshrob-rsc
-ifeq ($(LOCAL_JACK_ENABLED),incremental)
-$(noshrob_classes_jack): PRIVATE_JACK_INCREMENTAL_DIR := $(intermediates.COMMON)/jack-noshrob-incremental
-else
-$(noshrob_classes_jack): PRIVATE_JACK_INCREMENTAL_DIR :=
-endif
-$(noshrob_classes_jack): PRIVATE_JACK_PROGUARD_FLAGS :=
-$(noshrob_classes_jack): $(jack_all_deps)
-	@echo Building with Jack: $@
-	$(java-to-jack)
-endif  # full_classes_jar is defined
-endif # LOCAL_JACK_ENABLED
diff --git a/core/java_library.mk b/core/java_library.mk
index 5a2d19b..b4e3eaa 100644
--- a/core/java_library.mk
+++ b/core/java_library.mk
@@ -24,20 +24,10 @@
 
 LOCAL_BUILT_MODULE_STEM := javalib.jar
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
-ifdef LOCAL_IS_STATIC_JAVA_LIBRARY
-LOCAL_BUILT_MODULE_STEM := classes.jack
-endif
-endif
-
 intermediates.COMMON := $(call local-intermediates-dir,COMMON)
 
 # This file will be the one that other modules should depend on.
-common_javalib.jar := $(intermediates.COMMON)/javalib.jar
+common_javalib.jar := $(intermediates.COMMON)/$(LOCAL_BUILT_MODULE_STEM)
 LOCAL_INTERMEDIATE_TARGETS += $(common_javalib.jar)
 
 ifeq ($(LOCAL_PROGUARD_ENABLED),disabled)
@@ -69,11 +59,7 @@
 	@echo "target Static Jar: $(PRIVATE_MODULE) ($@)"
 	$(copy-file-to-target)
 
-ifdef LOCAL_JACK_ENABLED
-$(LOCAL_BUILT_MODULE) : $(full_classes_jack)
-else
-$(LOCAL_BUILT_MODULE) : $(common_javalib.jar)
-endif
+$(LOCAL_BUILT_MODULE): $(common_javalib.jar)
 	$(copy-file-to-target)
 
 else # !LOCAL_IS_STATIC_JAVA_LIBRARY
@@ -83,15 +69,8 @@
 $(common_javalib.jar): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(common_javalib.jar) : $(built_dex) $(java_resource_sources)
 	@echo "target Jar: $(PRIVATE_MODULE) ($@)"
-ifdef LOCAL_JACK_ENABLED
-	$(create-empty-package)
-else
 	$(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@)
-endif
 	$(add-dex-to-package)
-ifdef LOCAL_JACK_ENABLED
-	$(add-carried-jack-resources)
-endif
 
 ifdef LOCAL_DEX_PREOPT
 ifneq ($(dexpreopt_boot_jar_module),) # boot jar
diff --git a/core/notice_files.mk b/core/notice_files.mk
index 43a5435..e63cd84 100644
--- a/core/notice_files.mk
+++ b/core/notice_files.mk
@@ -43,7 +43,7 @@
       # javalib.jar is the default name for the build module (and isn't meaningful)
       # If that's what we have, substitute the module name instead.  These files
       # aren't included on the device, so this name is synthetic anyway.
-      ifneq ($(filter javalib.jar classes.jack,$(module_leaf)),)
+      ifeq ($(module_leaf),javalib.jar)
         module_leaf := $(LOCAL_MODULE).jar
       endif
       module_installed_filename := \
diff --git a/core/package_internal.mk b/core/package_internal.mk
index fee484f..d52997b 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -57,10 +57,6 @@
 endif
 LOCAL_MODULE_CLASS := APPS
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
 # Package LOCAL_MODULE_TAGS default to optional
 LOCAL_MODULE_TAGS := $(strip $(LOCAL_MODULE_TAGS))
 ifeq ($(LOCAL_MODULE_TAGS),)
@@ -166,13 +162,6 @@
 endif # !custom
 LOCAL_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_PROGUARD_FLAGS)
 
-ifdef LOCAL_JACK_ENABLED
-ifndef LOCAL_JACK_PROGUARD_FLAGS
-    LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
-endif
-LOCAL_JACK_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_JACK_PROGUARD_FLAGS)
-endif # LOCAL_JACK_ENABLED
-
 ifeq (true,$(EMMA_INSTRUMENT))
 ifndef LOCAL_EMMA_INSTRUMENT
 # No emma for test apks.
@@ -282,18 +271,6 @@
 # they want to use this module's R.java file.
 $(LOCAL_BUILT_MODULE): $(R_file_stamp)
 
-ifdef LOCAL_JACK_ENABLED
-ifneq ($(built_dex_intermediate),)
-$(built_dex_intermediate): $(R_file_stamp)
-endif
-ifneq ($(noshrob_classes_jack),)
-$(noshrob_classes_jack): $(R_file_stamp)
-endif
-ifneq ($(full_classes_jack),)
-$(full_classes_jack): $(R_file_stamp)
-endif
-endif # LOCAL_JACK_ENABLED
-
 ifneq ($(full_classes_jar),)
 # If full_classes_jar is non-empty, we're building sources.
 # If we're building sources, the initial javac step (which
@@ -411,13 +388,9 @@
 $(LOCAL_BUILT_MODULE): PRIVATE_DONT_DELETE_JAR_DIRS := $(LOCAL_DONT_DELETE_JAR_DIRS)
 $(LOCAL_BUILT_MODULE): $(all_res_assets) $(jni_shared_libraries) $(full_android_manifest)
 	@echo "target Package: $(PRIVATE_MODULE) ($@)"
-ifdef LOCAL_JACK_ENABLED
-	$(create-empty-package)
-else
 	$(if $(PRIVATE_SOURCE_ARCHIVE),\
 	  $(call initialize-package-file,$(PRIVATE_SOURCE_ARCHIVE),$@),\
 	  $(create-empty-package))
-endif
 	$(add-assets-to-package)
 ifneq ($(jni_shared_libraries),)
 	$(add-jni-shared-libs-to-package)
@@ -428,9 +401,6 @@
 else
 	$(add-dex-to-package)
 endif
-ifdef LOCAL_JACK_ENABLED
-	$(add-carried-jack-resources)
-endif
 ifdef LOCAL_DEX_PREOPT
 ifneq (nostripping,$(LOCAL_DEX_PREOPT))
 	$(call dexpreopt-remove-classes.dex,$@)
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index d367828..f85b0b8 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -302,14 +302,6 @@
 $(built_module) : $(common_javalib_jar)
 endif # TARGET JAVA_LIBRARIES
 
-ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
-$(intermediates.COMMON)/classes.jack : PRIVATE_JILL_FLAGS:=$(LOCAL_JILL_FLAGS)
-$(intermediates.COMMON)/classes.jack : $(my_prebuilt_src_file) $(LOCAL_MODULE_MAKEFILE) \
-        $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JILL_JAR) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
-	$(transform-jar-to-jack)
-
-endif # JAVA_LIBRARIES
-
 $(built_module) : $(LOCAL_MODULE_MAKEFILE) $(LOCAL_ADDITIONAL_DEPENDENCIES)
 
 my_prebuilt_src_file :=
diff --git a/core/static_java_library.mk b/core/static_java_library.mk
index 69d6ebf..02078e0 100644
--- a/core/static_java_library.mk
+++ b/core/static_java_library.mk
@@ -56,20 +56,8 @@
 ifneq ($(LOCAL_PROGUARD_ENABLED),custom)
   proguard_options_file := $(intermediates.COMMON)/proguard_options
 endif
-
 LOCAL_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_PROGUARD_FLAGS)
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
-ifndef LOCAL_JACK_PROGUARD_FLAGS
-    LOCAL_JACK_PROGUARD_FLAGS := $(LOCAL_PROGUARD_FLAGS)
-endif
-LOCAL_JACK_PROGUARD_FLAGS := $(addprefix -include ,$(proguard_options_file)) $(LOCAL_JACK_PROGUARD_FLAGS)
-endif # LOCAL_JACK_ENABLED
-
 endif  # LOCAL_RESOURCE_DIR
 
 all_res_assets := $(all_resources)
@@ -126,11 +114,9 @@
 	$(hide) find $(PRIVATE_SOURCE_INTERMEDIATES_DIR) -name R.java | xargs cat > $@
 
 $(LOCAL_BUILT_MODULE): $(R_file_stamp)
-ifdef LOCAL_JACK_ENABLED
-$(noshrob_classes_jack): $(R_file_stamp)
-$(full_classes_jack): $(R_file_stamp)
-endif # LOCAL_JACK_ENABLED
+ifneq ($(full_classes_jar),)
 $(full_classes_compiled_jar): $(R_file_stamp)
+endif
 
 endif  # need_compile_res