diff --git a/Deprecation.md b/Deprecation.md
index 0cf3a01..74b54fa 100644
--- a/Deprecation.md
+++ b/Deprecation.md
@@ -18,17 +18,17 @@
 | `BUILD_AUX_STATIC_LIBRARY`       | Obsolete  |
 | `BUILD_COPY_HEADERS`             | Error     |
 | `BUILD_HOST_EXECUTABLE`          | Error     |
-| `BUILD_HOST_FUZZ_TEST`           | Error     |
-| `BUILD_HOST_NATIVE_TEST`         | Error     |
+| `BUILD_HOST_FUZZ_TEST`           | Obsolete  |
+| `BUILD_HOST_NATIVE_TEST`         | Obsolete  |
 | `BUILD_HOST_SHARED_LIBRARY`      | Error     |
 | `BUILD_HOST_SHARED_TEST_LIBRARY` | Obsolete  |
 | `BUILD_HOST_STATIC_LIBRARY`      | Error     |
-| `BUILD_HOST_STATIC_TEST_LIBRARY` | Error     |
-| `BUILD_HOST_TEST_CONFIG`         | Error     |
-| `BUILD_NATIVE_BENCHMARK`         | Error     |
+| `BUILD_HOST_STATIC_TEST_LIBRARY` | Obsolete  |
+| `BUILD_HOST_TEST_CONFIG`         | Obsolete  |
+| `BUILD_NATIVE_BENCHMARK`         | Obsolete  |
 | `BUILD_SHARED_TEST_LIBRARY`      | Obsolete  |
-| `BUILD_STATIC_TEST_LIBRARY`      | Error     |
-| `BUILD_TARGET_TEST_CONFIG`       | Error     |
+| `BUILD_STATIC_TEST_LIBRARY`      | Obsolete  |
+| `BUILD_TARGET_TEST_CONFIG`       | Obsolete  |
 | `BUILD_*`                        | Available |
 
 ## Module Type Deprecation Process
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 90bef1b..e2bdb37 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -293,7 +293,6 @@
 LOCAL_SYSTEM_SHARED_LIBRARIES:=none
 LOCAL_TARGET_REQUIRED_MODULES:=
 LOCAL_TEST_CONFIG:=
-LOCAL_TEST_CONFIG_OPTIONS:=
 LOCAL_TEST_DATA:=
 LOCAL_TEST_MODULE_TO_PROGUARD_WITH:=
 LOCAL_TIDY:=
diff --git a/core/config.mk b/core/config.mk
index 90bc8e7..1856284 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -134,6 +134,7 @@
   LOCAL_CUSTOM_BUILD_STEP_OUTPUT \
   LOCAL_IS_AUX_MODULE \
   ,AUX support has been removed)
+$(KATI_obsolete_var HOST_OUT_TEST_CONFIG TARGET_OUT_TEST_CONFIG LOCAL_TEST_CONFIG_OPTIONS)
 
 # Used to force goals to build.  Only use for conditionally defined goals.
 .PHONY: FORCE
@@ -196,23 +197,12 @@
 BUILD_HOST_JAVA_LIBRARY :=$= $(BUILD_SYSTEM)/host_java_library.mk
 BUILD_COPY_HEADERS :=$= $(BUILD_SYSTEM)/copy_headers.mk
 BUILD_NATIVE_TEST :=$= $(BUILD_SYSTEM)/native_test.mk
-BUILD_NATIVE_BENCHMARK :=$= $(BUILD_SYSTEM)/native_benchmark.mk
-BUILD_HOST_NATIVE_TEST :=$= $(BUILD_SYSTEM)/host_native_test.mk
 BUILD_FUZZ_TEST :=$= $(BUILD_SYSTEM)/fuzz_test.mk
-BUILD_HOST_FUZZ_TEST :=$= $(BUILD_SYSTEM)/host_fuzz_test.mk
-
-BUILD_SHARED_TEST_LIBRARY :=$= $(BUILD_SYSTEM)/shared_test_lib.mk
-BUILD_HOST_SHARED_TEST_LIBRARY :=$= $(BUILD_SYSTEM)/host_shared_test_lib.mk
-BUILD_STATIC_TEST_LIBRARY :=$= $(BUILD_SYSTEM)/static_test_lib.mk
-BUILD_HOST_STATIC_TEST_LIBRARY :=$= $(BUILD_SYSTEM)/host_static_test_lib.mk
 
 BUILD_NOTICE_FILE :=$= $(BUILD_SYSTEM)/notice_files.mk
 BUILD_HOST_DALVIK_JAVA_LIBRARY :=$= $(BUILD_SYSTEM)/host_dalvik_java_library.mk
 BUILD_HOST_DALVIK_STATIC_JAVA_LIBRARY :=$= $(BUILD_SYSTEM)/host_dalvik_static_java_library.mk
 
-BUILD_HOST_TEST_CONFIG :=$= $(BUILD_SYSTEM)/host_test_config.mk
-BUILD_TARGET_TEST_CONFIG :=$= $(BUILD_SYSTEM)/target_test_config.mk
-
 include $(BUILD_SYSTEM)/deprecation.mk
 
 # ###############################################################
diff --git a/core/deprecation.mk b/core/deprecation.mk
index 879505b..2b7a869 100644
--- a/core/deprecation.mk
+++ b/core/deprecation.mk
@@ -31,23 +31,23 @@
 DEFAULT_ERROR_BUILD_MODULE_TYPES :=$= \
   BUILD_COPY_HEADERS \
   BUILD_HOST_EXECUTABLE \
-  BUILD_HOST_FUZZ_TEST \
-  BUILD_HOST_NATIVE_TEST \
   BUILD_HOST_SHARED_LIBRARY \
   BUILD_HOST_STATIC_LIBRARY \
-  BUILD_HOST_STATIC_TEST_LIBRARY \
-  BUILD_HOST_TEST_CONFIG \
-  BUILD_NATIVE_BENCHMARK \
-  BUILD_STATIC_TEST_LIBRARY \
-  BUILD_TARGET_TEST_CONFIG \
 
 # These are BUILD_* variables that are always errors to reference.
 # Setting the BUILD_BROKEN_USES_BUILD_* variables is also an error.
 OBSOLETE_BUILD_MODULE_TYPES :=$= \
   BUILD_AUX_EXECUTABLE \
   BUILD_AUX_STATIC_LIBRARY \
+  BUILD_HOST_FUZZ_TEST \
+  BUILD_HOST_NATIVE_TEST \
   BUILD_HOST_SHARED_TEST_LIBRARY \
+  BUILD_HOST_STATIC_TEST_LIBRARY \
+  BUILD_HOST_TEST_CONFIG \
+  BUILD_NATIVE_BENCHMARK \
   BUILD_SHARED_TEST_LIBRARY \
+  BUILD_STATIC_TEST_LIBRARY \
+  BUILD_TARGET_TEST_CONFIG \
 
 $(foreach m,$(OBSOLETE_BUILD_MODULE_TYPES),\
   $(KATI_obsolete_var $(m),Please convert to Soong) \
diff --git a/core/envsetup.mk b/core/envsetup.mk
index 1093856..6e75a18 100644
--- a/core/envsetup.mk
+++ b/core/envsetup.mk
@@ -375,9 +375,6 @@
 HOST_CROSS_OUT_GEN := $(HOST_CROSS_OUT)/gen
 .KATI_READONLY := HOST_CROSS_OUT_GEN
 
-HOST_OUT_TEST_CONFIG := $(HOST_OUT)/test_config
-.KATI_READONLY := HOST_OUT_TEST_CONFIG
-
 # Out for HOST_2ND_ARCH
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_INTERMEDIATES := $(HOST_OUT)/obj32
 $(HOST_2ND_ARCH_VAR_PREFIX)HOST_OUT_SHARED_LIBRARIES := $(HOST_OUT)/lib
@@ -463,7 +460,6 @@
 TARGET_OUT_NOTICE_FILES := $(TARGET_OUT_INTERMEDIATES)/NOTICE_FILES
 TARGET_OUT_FAKE := $(PRODUCT_OUT)/fake_packages
 TARGET_OUT_TESTCASES := $(PRODUCT_OUT)/testcases
-TARGET_OUT_TEST_CONFIG := $(PRODUCT_OUT)/test_config
 .KATI_READONLY := \
   TARGET_OUT_EXECUTABLES \
   TARGET_OUT_OPTIONAL_EXECUTABLES \
@@ -477,8 +473,7 @@
   TARGET_OUT_ETC \
   TARGET_OUT_NOTICE_FILES \
   TARGET_OUT_FAKE \
-  TARGET_OUT_TESTCASES \
-  TARGET_OUT_TEST_CONFIG
+  TARGET_OUT_TESTCASES
 
 ifeq ($(SANITIZE_LITE),true)
 # When using SANITIZE_LITE, APKs must not be packaged with sanitized libraries, as they will not
diff --git a/core/host_fuzz_test.mk b/core/host_fuzz_test.mk
deleted file mode 100644
index 54c6577..0000000
--- a/core/host_fuzz_test.mk
+++ /dev/null
@@ -1,10 +0,0 @@
-################################################
-## A thin wrapper around BUILD_HOST_EXECUTABLE
-## Common flags for host fuzz tests are added.
-################################################
-$(call record-module-type,HOST_FUZZ_TEST)
-
-LOCAL_SANITIZE += fuzzer
-LOCAL_STATIC_LIBRARIES += libLLVMFuzzer
-
-include $(BUILD_HOST_EXECUTABLE)
diff --git a/core/host_native_test.mk b/core/host_native_test.mk
deleted file mode 100644
index aa05bb3..0000000
--- a/core/host_native_test.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-################################################
-## A thin wrapper around BUILD_HOST_EXECUTABLE
-## Common flags for host native tests are added.
-################################################
-$(call record-module-type,HOST_NATIVE_TEST)
-
-ifdef LOCAL_MODULE_CLASS
-ifneq ($(LOCAL_MODULE_CLASS),NATIVE_TESTS)
-$(error $(LOCAL_PATH): LOCAL_MODULE_CLASS must be NATIVE_TESTS with BUILD_HOST_NATIVE_TEST)
-endif
-endif
-
-LOCAL_MODULE_CLASS := NATIVE_TESTS
-
-include $(BUILD_SYSTEM)/host_test_internal.mk
-
-ifndef LOCAL_MULTILIB
-ifndef LOCAL_32_BIT_ONLY
-LOCAL_MULTILIB := both
-endif
-endif
-
-include $(BUILD_HOST_EXECUTABLE)
diff --git a/core/host_shared_test_lib.mk b/core/host_shared_test_lib.mk
deleted file mode 100644
index ed7e23a..0000000
--- a/core/host_shared_test_lib.mk
+++ /dev/null
@@ -1 +0,0 @@
-$(error BUILD_HOST_SHARED_TEST_LIBRARY is obsolete)
diff --git a/core/host_static_test_lib.mk b/core/host_static_test_lib.mk
deleted file mode 100644
index a9e39b1..0000000
--- a/core/host_static_test_lib.mk
+++ /dev/null
@@ -1,9 +0,0 @@
-##################################################
-## A thin wrapper around BUILD_HOST_STATIC_LIBRARY
-## Common flags for host native tests are added.
-##################################################
-$(call record-module-type,HOST_STATIC_TEST_LIBRARY)
-
-include $(BUILD_SYSTEM)/host_test_internal.mk
-
-include $(BUILD_SYSTEM)/host_static_library.mk
diff --git a/core/host_test_config.mk b/core/host_test_config.mk
deleted file mode 100644
index b9975e5..0000000
--- a/core/host_test_config.mk
+++ /dev/null
@@ -1,25 +0,0 @@
-#
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-#
-# Common rules for building a TradeFed test XML file for host side tests.
-#
-
-$(call record-module-type,HOST_TEST_CONFIG)
-
-LOCAL_IS_HOST_MODULE := true
-
-include $(BUILD_SYSTEM)/test_config_common.mk
diff --git a/core/host_test_internal.mk b/core/host_test_internal.mk
deleted file mode 100644
index dfe8cf1..0000000
--- a/core/host_test_internal.mk
+++ /dev/null
@@ -1,28 +0,0 @@
-#####################################################
-## Shared definitions for all host test compilations.
-#####################################################
-
-ifeq ($(LOCAL_GTEST),true)
-  LOCAL_CFLAGS_linux += -DGTEST_OS_LINUX
-  LOCAL_CFLAGS_darwin += -DGTEST_OS_MAC
-
-  LOCAL_CFLAGS += -DGTEST_HAS_STD_STRING -O0 -g
-
-  LOCAL_STATIC_LIBRARIES += libgtest_main_host libgtest_host
-endif
-
-ifdef LOCAL_MODULE_PATH
-$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH when building test $(LOCAL_MODULE))
-endif
-
-ifdef LOCAL_MODULE_PATH_32
-$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_32 when building test $(LOCAL_MODULE))
-endif
-
-ifdef LOCAL_MODULE_PATH_64
-$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_64 when building test $(LOCAL_MODULE))
-endif
-
-ifndef LOCAL_MODULE_RELATIVE_PATH
-LOCAL_MODULE_RELATIVE_PATH := $(LOCAL_MODULE)
-endif
diff --git a/core/native_benchmark.mk b/core/native_benchmark.mk
deleted file mode 100644
index 073d8dd..0000000
--- a/core/native_benchmark.mk
+++ /dev/null
@@ -1,15 +0,0 @@
-###########################################
-## A thin wrapper around BUILD_EXECUTABLE
-## Common flags for native benchmarks are added.
-###########################################
-$(call record-module-type,NATIVE_BENCHMARK)
-
-LOCAL_STATIC_LIBRARIES += libgoogle-benchmark
-
-ifndef LOCAL_MULTILIB
-ifndef LOCAL_32_BIT_ONLY
-LOCAL_MULTILIB := both
-endif
-endif
-
-include $(BUILD_EXECUTABLE)
diff --git a/core/shared_test_lib.mk b/core/shared_test_lib.mk
deleted file mode 100644
index 1ea9fe7..0000000
--- a/core/shared_test_lib.mk
+++ /dev/null
@@ -1 +0,0 @@
-$(error BUILD_SHARED_TEST_LIBRARY is obsolete)
diff --git a/core/static_test_lib.mk b/core/static_test_lib.mk
deleted file mode 100644
index a0e2970..0000000
--- a/core/static_test_lib.mk
+++ /dev/null
@@ -1,9 +0,0 @@
-#############################################
-## A thin wrapper around BUILD_STATIC_LIBRARY
-## Common flags for native tests are added.
-#############################################
-$(call record-module-type,STATIC_TEST_LIBRARY)
-
-include $(BUILD_SYSTEM)/target_test_internal.mk
-
-include $(BUILD_STATIC_LIBRARY)
diff --git a/core/target_test_config.mk b/core/target_test_config.mk
deleted file mode 100644
index 61f5d2b..0000000
--- a/core/target_test_config.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-#
-# Common rules for building a TradeFed test XML file for target side tests.
-#
-
-$(call record-module-type,TARGET_TEST_CONFIG)
-
-include $(BUILD_SYSTEM)/test_config_common.mk
diff --git a/core/test_config_common.mk b/core/test_config_common.mk
deleted file mode 100644
index 487f9f2..0000000
--- a/core/test_config_common.mk
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# Copyright (C) 2017 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-LOCAL_MODULE_CLASS := TEST_CONFIG
-
-# Output test config files to testcases directory.
-ifeq (,$(filter general-tests, $(LOCAL_COMPATIBILITY_SUITE)))
-  LOCAL_COMPATIBILITY_SUITE += general-tests
-endif
-
-LOCAL_MODULE_SUFFIX := .config
-
-my_test_config_file := $(wildcard $(LOCAL_PATH)/$(LOCAL_MODULE).xml)
-LOCAL_SRC_FILES :=
-
-include $(BUILD_SYSTEM)/base_rules.mk
-
-# The test config is not in a standalone XML file.
-ifndef my_test_config_file
-
-ifndef LOCAL_TEST_CONFIG_OPTIONS
-  $(call pretty-error,LOCAL_TEST_CONFIG_OPTIONS must be set if the test XML file is not provided.)
-endif
-
-my_base_test_config_file := $(LOCAL_PATH)/AndroidTest.xml
-my_test_config_file := $(dir $(LOCAL_BUILT_MODULE))AndroidTest.xml
-
-$(my_test_config_file) : PRIVATE_test_config_options := $(LOCAL_TEST_CONFIG_OPTIONS)
-$(my_test_config_file) : $(my_base_test_config_file)
-	@echo "Create $(notdir $@) with options: $(PRIVATE_test_config_options)."
-	$(eval _option_xml := \
-		$(foreach option,$(PRIVATE_test_config_options), \
-			$(eval p := $(subst :,$(space),$(option))) \
-			<option name="$(word 1,$(p))" value="$(word 2,$(p))" \/>\n))
-	$(hide) sed 's&</configuration>&$(_option_xml)</configuration>&' $< > $@
-
-endif # my_test_config_file
-
-$(LOCAL_BUILT_MODULE) : $(my_test_config_file)
-	$(copy-file-to-target)
-
-my_base_test_config_file :=
-my_test_config_file :=