diff --git a/tools/dicttool/Android.mk b/tools/dicttool/Android.mk
index 6852b82b4..49816294f 100644
--- a/tools/dicttool/Android.mk
+++ b/tools/dicttool/Android.mk
@@ -16,12 +16,6 @@
 # Only build if it's explicitly requested, or running mm/mmm.
 ifneq ($(ONE_SHOT_MAKEFILE)$(filter $(MAKECMDGOALS),dicttool_aosp),)
 
-# HACK: Temporarily disable host tool build on Mac until the build system is ready for C++11.
-LATINIME_HOST_OSNAME := $(shell uname -s)
-ifeq ($(LATINIME_HOST_OSNAME), Darwin) # TODO: Remove this
-$(warning dicttool_aosp is not supported on $(LATINIME_HOST_OSNAME))
-else # TODO: Remove this
-
 LATINIME_DICTTOOL_AOSP_LOCAL_PATH := $(call my-dir)
 LOCAL_PATH := $(LATINIME_DICTTOOL_AOSP_LOCAL_PATH)
 LATINIME_HOST_NATIVE_LIBNAME := liblatinime-aosp-dicttool-host
@@ -86,11 +80,8 @@ LOCAL_MODULE := dicttool_aosp
 include $(BUILD_HOST_JAVA_LIBRARY)
 include $(LOCAL_PATH)/etc/Android.mk
 
-endif # Darwin - TODO: Remove this
-
 # Clear our private variables
 LATINIME_DICTTOOL_AOSP_LOCAL_PATH :=
 LATINIME_LOCAL_DIR :=
-LATINIME_HOST_OSNAME :=
 
 endif
diff --git a/tools/dicttool/NativeLib.mk b/tools/dicttool/NativeLib.mk
index 622a9f171..510f18c4e 100644
--- a/tools/dicttool/NativeLib.mk
+++ b/tools/dicttool/NativeLib.mk
@@ -13,10 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# HACK: Temporarily disable host tool build on Mac until the build system is ready for C++11.
-LATINIME_HOST_OSNAME := $(shell uname -s)
-ifneq ($(LATINIME_HOST_OSNAME), Darwin) # TODO: Remove this
-
 LOCAL_PATH := $(call my-dir)
 include $(CLEAR_VARS)
 
@@ -30,9 +26,6 @@ ifeq ($(FLAG_DBG), true)
 endif #FLAG_DBG
 
 LOCAL_CFLAGS += -DHOST_TOOL -fPIC -Wno-deprecated -Wno-unused-parameter -Wno-unused-function
-ifneq ($(strip $(HOST_JDK_IS_64BIT_VERSION)),)
-LOCAL_MULTILIB := 64
-endif #HOST_JDK_IS_64BIT_VERSION
 
 LATINIME_NATIVE_JNI_DIR := $(LATINIME_DIR_RELATIVE_TO_DICTTOOL)/native/jni
 LATINIME_NATIVE_SRC_DIR := $(LATINIME_DIR_RELATIVE_TO_DICTTOOL)/native/jni/src
@@ -48,9 +41,6 @@ LOCAL_MODULE := $(LATINIME_HOST_NATIVE_LIBNAME)
 
 include $(BUILD_HOST_SHARED_LIBRARY)
 
-endif # Darwin - TODO: Remove this
-
 # Clear our private variables
 include $(LOCAL_PATH)/$(LATINIME_NATIVE_JNI_DIR)/CleanupNativeFileList.mk
 LATINIME_DIR_RELATIVE_TO_DICTTOOL := ../..
-LATINIME_HOST_OSNAME :=