diff --git a/native/jni/HostUnitTests.mk b/native/jni/HostUnitTests.mk
index 9e59283..6967d9b 100644
--- a/native/jni/HostUnitTests.mk
+++ b/native/jni/HostUnitTests.mk
@@ -26,10 +26,8 @@
 #################### Host library for unit test
 # TODO: Remove -std=c++11 once it is set by default on host build.
 LATIN_IME_SRC_DIR := src
-LOCAL_ADDRESS_SANITIZER := true
 LOCAL_CFLAGS += -std=c++11 -Wno-unused-parameter -Wno-unused-function
 LOCAL_CLANG := true
-LOCAL_CXX_STL := libc++
 LOCAL_C_INCLUDES += $(LOCAL_PATH)/$(LATIN_IME_SRC_DIR)
 LOCAL_MODULE := liblatinime_host_static_for_unittests
 LOCAL_MODULE_TAGS := optional
@@ -40,10 +38,8 @@
 include $(CLEAR_VARS)
 LATIN_IME_TEST_SRC_DIR := tests
 # TODO: Remove -std=c++11 once it is set by default on host build.
-LOCAL_ADDRESS_SANITIZER := true
 LOCAL_CFLAGS += -std=c++11 -Wno-unused-parameter -Wno-unused-function
 LOCAL_CLANG := true
-LOCAL_CXX_STL := libc++
 LOCAL_C_INCLUDES += $(LOCAL_PATH)/$(LATIN_IME_SRC_DIR)
 LOCAL_MODULE := liblatinime_host_unittests
 LOCAL_MODULE_TAGS := tests