diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index c0343a0..6e61d15 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -78,6 +78,7 @@
 LOCAL_GENERATED_SOURCES:=
 # Group static libraries with "-Wl,--start-group" and "-Wl,--end-group" when linking.
 LOCAL_GROUP_STATIC_LIBRARIES:=
+LOCAL_GTEST:=true
 LOCAL_HAL_STATIC_LIBRARIES:=
 LOCAL_INIT_RC:=
 LOCAL_INSTALLED_MODULE:=
diff --git a/core/host_test_internal.mk b/core/host_test_internal.mk
index 473815b..ffb22c7 100644
--- a/core/host_test_internal.mk
+++ b/core/host_test_internal.mk
@@ -2,15 +2,17 @@
 ## Shared definitions for all host test compilations.
 #####################################################
 
-LOCAL_CFLAGS_windows += -DGTEST_OS_WINDOWS
-LOCAL_CFLAGS_linux += -DGTEST_OS_LINUX
-LOCAL_LDLIBS_linux += -lpthread
-LOCAL_CFLAGS_darwin += -DGTEST_OS_MAC
-LOCAL_LDLIBS_darwin += -lpthread
+ifeq ($(LOCAL_GTEST),true)
+  LOCAL_CFLAGS_windows += -DGTEST_OS_WINDOWS
+  LOCAL_CFLAGS_linux += -DGTEST_OS_LINUX
+  LOCAL_LDLIBS_linux += -lpthread
+  LOCAL_CFLAGS_darwin += -DGTEST_OS_MAC
+  LOCAL_LDLIBS_darwin += -lpthread
 
-LOCAL_CFLAGS += -DGTEST_HAS_STD_STRING -O0 -g
+  LOCAL_CFLAGS += -DGTEST_HAS_STD_STRING -O0 -g
 
-LOCAL_STATIC_LIBRARIES += libgtest_main_host libgtest_host
+  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))
diff --git a/core/target_test_internal.mk b/core/target_test_internal.mk
index 2e65218..59a3a9e 100644
--- a/core/target_test_internal.mk
+++ b/core/target_test_internal.mk
@@ -2,11 +2,12 @@
 ## Shared definitions for all target test compilations.
 #######################################################
 
-LOCAL_CFLAGS += -DGTEST_OS_LINUX_ANDROID -DGTEST_HAS_STD_STRING
+ifeq ($(LOCAL_GTEST),true)
+  LOCAL_CFLAGS += -DGTEST_OS_LINUX_ANDROID -DGTEST_HAS_STD_STRING
 
-ifndef LOCAL_SDK_VERSION
+  ifndef LOCAL_SDK_VERSION
     LOCAL_STATIC_LIBRARIES += libgtest_main libgtest
-else
+  else
     ifneq (,$(filter c++_%,$(LOCAL_NDK_STL_VARIANT)))
         my_ndk_gtest_suffix := _c++
     else ifneq ($(filter stlport_,$(LOCAL_NDK_STL_VARIANT)),)
@@ -19,6 +20,7 @@
     LOCAL_STATIC_LIBRARIES += \
         libgtest_main_ndk$(my_ndk_gtest_suffix) \
         libgtest_ndk$(my_ndk_gtest_suffix)
+  endif
 endif
 
 ifdef LOCAL_MODULE_PATH