diff --git a/Android.mk b/Android.mk
index af27621a012d7..5544f8589dbeb 100644
--- a/Android.mk
+++ b/Android.mk
@@ -430,7 +430,6 @@ LOCAL_JAVA_LIBRARIES := core-oj core-libart core-lambda-stubs conscrypt okhttp c
 
 LOCAL_MODULE := framework
 
-LOCAL_DX_FLAGS := --core-library --multi-dex
 LOCAL_JACK_FLAGS := --multi-dex native
 
 LOCAL_RMTYPEDEFS := true
@@ -1101,8 +1100,6 @@ LOCAL_STATIC_JAVA_LIBRARIES := libphonenumber-platform
 LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := ext
 
-LOCAL_DX_FLAGS := --core-library
-
 include $(BUILD_JAVA_LIBRARY)
 
 
diff --git a/core/tests/coretests/Android.mk b/core/tests/coretests/Android.mk
index e47d41801e9b6..fd3997a59ca07 100644
--- a/core/tests/coretests/Android.mk
+++ b/core/tests/coretests/Android.mk
@@ -21,7 +21,6 @@ LOCAL_SRC_FILES := \
 	$(call all-java-files-under, DisabledTestApp/src) \
 	$(call all-java-files-under, EnabledTestApp/src)
 
-LOCAL_DX_FLAGS := --core-library
 LOCAL_AAPT_FLAGS = -0 dat -0 gld
 LOCAL_STATIC_JAVA_LIBRARIES := core-tests-support android-common frameworks-core-util-lib mockwebserver guava littlemock mockito-target
 LOCAL_JAVA_LIBRARIES := android.test.runner conscrypt telephony-common org.apache.http.legacy
diff --git a/core/tests/hosttests/test-apps/MultiDexLegacyAndException/Android.mk b/core/tests/hosttests/test-apps/MultiDexLegacyAndException/Android.mk
index 26f768b96f11a..9b2b9f18a883d 100644
--- a/core/tests/hosttests/test-apps/MultiDexLegacyAndException/Android.mk
+++ b/core/tests/hosttests/test-apps/MultiDexLegacyAndException/Android.mk
@@ -31,28 +31,9 @@ LOCAL_DEX_PREOPT := false
 
 LOCAL_JAVACFLAGS := -nowarn
 
-mainDexList:= \
-    $(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList) --minimal-main-dex
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=minimal-multidex -D jack.preprocessor=true\
     -D jack.preprocessor.file=$(LOCAL_PATH)/test.jpp -D jack.dex.output.multidex.legacy=true
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/test.jpp
-endif
 
 include $(BUILD_PACKAGE)
-
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-	echo "com/android/multidexlegacyandexception/Test.class" >> $@
-
-$(built_dex_intermediate): $(mainDexList)
-endif
diff --git a/core/tests/hosttests/test-apps/MultiDexLegacyTestApp/Android.mk b/core/tests/hosttests/test-apps/MultiDexLegacyTestApp/Android.mk
index 7e4f0a99afa40..874263f5b82d8 100644
--- a/core/tests/hosttests/test-apps/MultiDexLegacyTestApp/Android.mk
+++ b/core/tests/hosttests/test-apps/MultiDexLegacyTestApp/Android.mk
@@ -29,32 +29,13 @@ LOCAL_PACKAGE_NAME := MultiDexLegacyTestApp
 
 LOCAL_DEX_PREOPT := false
 
-mainDexList:= \
-	$(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList) --minimal-main-dex
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=minimal-multidex -D jack.preprocessor=true\
     -D jack.preprocessor.file=$(LOCAL_PATH)/test.jpp -D jack.dex.output.multidex.legacy=true
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/test.jpp
-endif
 
 include $(BUILD_PACKAGE)
 
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-	echo "com/android/multidexlegacytestapp/Test.class" >> $@
-
-$(built_dex_intermediate): $(mainDexList)
-endif
-
 ## The application with a full main dex
 include $(CLEAR_VARS)
 
@@ -70,28 +51,9 @@ LOCAL_PACKAGE_NAME := MultiDexLegacyTestApp2
 
 LOCAL_DEX_PREOPT := false
 
-mainDexList2:= \
-	$(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList2)
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=multidex -D jack.preprocessor=true\
     -D jack.preprocessor.file=$(LOCAL_PATH)/test.jpp -D jack.dex.output.multidex.legacy=true
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/test.jpp
-endif
 
 include $(BUILD_PACKAGE)
-
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList2): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-	echo "com/android/multidexlegacytestapp/Test.class" >> $@
-
-$(built_dex_intermediate): $(mainDexList2)
-endif
\ No newline at end of file
diff --git a/core/tests/hosttests/test-apps/MultiDexLegacyTestServices/Android.mk b/core/tests/hosttests/test-apps/MultiDexLegacyTestServices/Android.mk
index 99bcd6c62b56c..2732372263a85 100644
--- a/core/tests/hosttests/test-apps/MultiDexLegacyTestServices/Android.mk
+++ b/core/tests/hosttests/test-apps/MultiDexLegacyTestServices/Android.mk
@@ -26,20 +26,8 @@ LOCAL_PACKAGE_NAME := MultiDexLegacyTestServices
 
 LOCAL_STATIC_JAVA_LIBRARIES := android-support-multidex
 
-mainDexList:= \
-	$(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList) --minimal-main-dex
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=minimal-multidex -D jack.dex.output.multidex.legacy=true
 
 LOCAL_DEX_PREOPT := false
 
 include $(BUILD_PACKAGE)
-
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-
-$(built_dex_intermediate): $(mainDexList)
-endif
diff --git a/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v1/Android.mk b/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v1/Android.mk
index 1c7d807901206..b4a666f352fad 100644
--- a/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v1/Android.mk
+++ b/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v1/Android.mk
@@ -28,28 +28,9 @@ LOCAL_STATIC_JAVA_LIBRARIES := android-support-multidex
 
 LOCAL_DEX_PREOPT := false
 
-mainDexList:= \
-	$(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList) --minimal-main-dex
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=minimal-multidex -D jack.preprocessor=true\
     -D jack.preprocessor.file=$(LOCAL_PATH)/test.jpp -D jack.dex.output.multidex.legacy=true
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/test.jpp
-endif
 
 include $(BUILD_PACKAGE)
-
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-	echo "com/android/framework/multidexlegacyversionedtestapp/MultiDexUpdateTest.class" >> $@
-
-$(built_dex_intermediate): $(mainDexList)
-endif
\ No newline at end of file
diff --git a/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v2/Android.mk b/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v2/Android.mk
index b77cf31edc628..f38bd4f2321b1 100644
--- a/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v2/Android.mk
+++ b/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v2/Android.mk
@@ -28,28 +28,9 @@ LOCAL_STATIC_JAVA_LIBRARIES := android-support-multidex
 
 LOCAL_DEX_PREOPT := false
 
-mainDexList:= \
-	$(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList) --minimal-main-dex
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=minimal-multidex -D jack.preprocessor=true\
     -D jack.preprocessor.file=$(LOCAL_PATH)/test.jpp -D jack.dex.output.multidex.legacy=true
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/test.jpp
-endif
 
 include $(BUILD_PACKAGE)
-
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-	echo "com/android/framework/multidexlegacyversionedtestapp/MultiDexUpdateTest.class" >> $@
-
-$(built_dex_intermediate): $(mainDexList)
-endif
diff --git a/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v3/Android.mk b/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v3/Android.mk
index 3631626f6b310..5bc2c95e623d0 100644
--- a/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v3/Android.mk
+++ b/core/tests/hosttests/test-apps/MultiDexLegacyVersionedTestApp_v3/Android.mk
@@ -26,31 +26,11 @@ LOCAL_PACKAGE_NAME := MultiDexLegacyVersionedTestApp_v3
 
 LOCAL_STATIC_JAVA_LIBRARIES := android-support-multidex
 
-mainDexList:= \
-	$(call intermediates-dir-for,APPS,$(LOCAL_PACKAGE_NAME),$(LOCAL_IS_HOST_MODULE),common)/maindex.list
-
 LOCAL_DEX_PREOPT := false
 
-LOCAL_DX_FLAGS := --multi-dex --main-dex-list=$(mainDexList) --minimal-main-dex
 LOCAL_JACK_FLAGS := -D jack.dex.output.policy=minimal-multidex -D jack.preprocessor=true\
     -D jack.preprocessor.file=$(LOCAL_PATH)/test.jpp -D jack.dex.output.multidex.legacy=true
 
-#################################
-include $(BUILD_SYSTEM)/configure_local_jack.mk
-#################################
-
-ifdef LOCAL_JACK_ENABLED
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/test.jpp
-endif
 
 include $(BUILD_PACKAGE)
-
-ifndef LOCAL_JACK_ENABLED
-$(mainDexList): $(full_classes_proguard_jar) | $(MAINDEXCLASSES)
-	$(hide) mkdir -p $(dir $@)
-	$(MAINDEXCLASSES) $< 1>$@
-	echo "com/android/framework/multidexlegacyversionedtestapp/MultiDexUpdateTest.class" >> $@
-
-$(built_dex_intermediate): $(mainDexList)
-endif
-
diff --git a/core/tests/inputmethodtests/Android.mk b/core/tests/inputmethodtests/Android.mk
index da336af817ea8..41ea8553c2d65 100644
--- a/core/tests/inputmethodtests/Android.mk
+++ b/core/tests/inputmethodtests/Android.mk
@@ -8,7 +8,6 @@ LOCAL_MODULE_TAGS := tests
 LOCAL_SRC_FILES := \
 	$(call all-java-files-under, src)
 
-LOCAL_DX_FLAGS := --core-library
 LOCAL_STATIC_JAVA_LIBRARIES := core-tests android-common frameworks-core-util-lib
 LOCAL_JAVA_LANGUAGE_VERSION := 1.8
 LOCAL_JAVA_LIBRARIES := android.test.runner
diff --git a/core/tests/systemproperties/Android.mk b/core/tests/systemproperties/Android.mk
index 0c20876c65204..e5ab2dff3fdc3 100644
--- a/core/tests/systemproperties/Android.mk
+++ b/core/tests/systemproperties/Android.mk
@@ -8,7 +8,6 @@ LOCAL_MODULE_TAGS := tests
 LOCAL_SRC_FILES := \
 	$(call all-java-files-under, src)
 
-LOCAL_DX_FLAGS := --core-library
 LOCAL_STATIC_JAVA_LIBRARIES := core-tests android-common frameworks-core-util-lib
 LOCAL_JAVA_LIBRARIES := android.test.runner
 LOCAL_PACKAGE_NAME := FrameworksCoreSystemPropertiesTests