diff --git a/usb/1.1/Android.mk b/usb/1.1/Android.mk
index 12d306b..57147f1 100644
--- a/usb/1.1/Android.mk
+++ b/usb/1.1/Android.mk
@@ -16,6 +16,8 @@
     android.hardware.usb-V1.0-java \
     android.hidl.base-V1.0-java \
 
+LOCAL_NO_STANDARD_LIBRARIES := true
+LOCAL_JAVA_LIBRARIES += core-oj hwbinder
 
 #
 # Build types.hal (PortMode_1_1)
@@ -100,101 +102,6 @@
 ################################################################################
 
 include $(CLEAR_VARS)
-LOCAL_MODULE := android.hardware.usb-V1.1-java-static
-LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-
-intermediates := $(call local-generated-sources-dir, COMMON)
-
-HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
-
-LOCAL_STATIC_JAVA_LIBRARIES := \
-    android.hardware.usb-V1.0-java-static \
-    android.hidl.base-V1.0-java-static \
-
-
-#
-# Build types.hal (PortMode_1_1)
-#
-GEN := $(intermediates)/android/hardware/usb/V1_1/PortMode_1_1.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.usb@1.1::types.PortMode_1_1
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (PortStatus_1_1)
-#
-GEN := $(intermediates)/android/hardware/usb/V1_1/PortStatus_1_1.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.usb@1.1::types.PortStatus_1_1
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build IUsb.hal
-#
-GEN := $(intermediates)/android/hardware/usb/V1_1/IUsb.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IUsb.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.usb@1.1::IUsb
-
-$(GEN): $(LOCAL_PATH)/IUsb.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build IUsbCallback.hal
-#
-GEN := $(intermediates)/android/hardware/usb/V1_1/IUsbCallback.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IUsbCallback.hal
-$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
-$(GEN): $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.usb@1.1::IUsbCallback
-
-$(GEN): $(LOCAL_PATH)/IUsbCallback.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-include $(BUILD_STATIC_JAVA_LIBRARY)
-
-
-################################################################################
-
-include $(CLEAR_VARS)
 LOCAL_MODULE := android.hardware.usb-V1.1-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES