diff --git a/minuitwrp/Android.mk.old b/minuitwrp/Android.mk.old
deleted file mode 100644
index 9455130..0000000
--- a/minuitwrp/Android.mk.old
+++ /dev/null
@@ -1,218 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
-    graphics.cpp \
-    graphics_fbdev.cpp \
-    resources.cpp \
-    truetype.cpp \
-    graphics_utils.cpp \
-    events.cpp
-
-ifeq ($(TW_SUPPORT_INPUT_1_2_HAPTICS),true)
-    ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 28; echo $$?),0)
-        LOCAL_SHARED_LIBRARIES += android.hardware.vibrator@1.2 libhidlbase
-        LOCAL_CFLAGS += -DUSE_QTI_HAPTICS
-    endif
-endif
-
-ifneq ($(TW_BOARD_CUSTOM_GRAPHICS),)
-    $(warning ****************************************************************************)
-    $(warning * TW_BOARD_CUSTOM_GRAPHICS support has been deprecated in TWRP.            *)
-    $(warning ****************************************************************************)
-    $(error stopping)
-endif
-
-ifeq ($(TW_TARGET_USES_QCOM_BSP), true)
-  LOCAL_CFLAGS += -DMSM_BSP
-  LOCAL_SRC_FILES += graphics_overlay.cpp
-  ifeq ($(TARGET_PREBUILT_KERNEL),)
-    ifeq ($(shell test $(PLATFORM_SDK_VERSION) -ge 28; echo $$?),0)
-      LOCAL_REQUIRED_MODULES := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
-    else
-      LOCAL_ADDITIONAL_DEPENDENCIES := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
-    endif
-    LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
-  else
-    ifeq ($(TARGET_CUSTOM_KERNEL_HEADERS),)
-      LOCAL_C_INCLUDES += $(commands_recovery_local_path)/minuitwrp/include
-    else
-      LOCAL_C_INCLUDES += $(TARGET_CUSTOM_KERNEL_HEADERS)
-    endif
-  endif
-else
-  LOCAL_C_INCLUDES += $(commands_recovery_local_path)/minuitwrp/include
-  # The header files required for adf graphics can cause compile errors
-  # with adf graphics.
-  ifneq ($(wildcard system/core/adf/Android.*),)
-    LOCAL_CFLAGS += -DHAS_ADF
-    LOCAL_SRC_FILES += graphics_adf.cpp
-    LOCAL_WHOLE_STATIC_LIBRARIES += libadf
-  endif
-endif
-
-ifeq ($(TW_NEW_ION_HEAP), true)
-  LOCAL_CFLAGS += -DNEW_ION_HEAP
-endif
-
-ifneq ($(wildcard external/libdrm/Android.*),)
-  LOCAL_CFLAGS += -DHAS_DRM
-  LOCAL_SRC_FILES += graphics_drm.cpp
-  ifneq ($(wildcard external/libdrm/Android.common.mk),)
-    LOCAL_WHOLE_STATIC_LIBRARIES += libdrm_platform
-  else
-    LOCAL_WHOLE_STATIC_LIBRARIES += libdrm
-  endif
-endif
-
-LOCAL_C_INCLUDES += \
-    external/libpng \
-    external/zlib \
-    system/core/include \
-    external/freetype/include \
-    external/libcxx/include \
-    $(LOCAL_PATH)/../twrpinstall/include
-
-ifneq ($(TW_INCLUDE_JPEG),)
-    LOCAL_C_INCLUDES += \
-        external/jpeg
-    LOCAL_CFLAGS += -DTW_INCLUDE_JPEG
-endif
-
-ifeq ($(RECOVERY_TOUCHSCREEN_SWAP_XY), true)
-LOCAL_CFLAGS += -DRECOVERY_TOUCHSCREEN_SWAP_XY
-endif
-
-ifeq ($(RECOVERY_TOUCHSCREEN_FLIP_X), true)
-LOCAL_CFLAGS += -DRECOVERY_TOUCHSCREEN_FLIP_X
-endif
-
-ifeq ($(RECOVERY_TOUCHSCREEN_FLIP_Y), true)
-LOCAL_CFLAGS += -DRECOVERY_TOUCHSCREEN_FLIP_Y
-endif
-
-ifeq ($(RECOVERY_GRAPHICS_FORCE_USE_LINELENGTH), true)
-LOCAL_CFLAGS += -DRECOVERY_GRAPHICS_FORCE_USE_LINELENGTH
-endif
-
-ifeq ($(RECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER), true)
-LOCAL_CFLAGS += -DRECOVERY_GRAPHICS_FORCE_SINGLE_BUFFER
-endif
-
-#Remove the # from the line below to enable event logging
-#TWRP_EVENT_LOGGING := true
-ifeq ($(TWRP_EVENT_LOGGING), true)
-LOCAL_CFLAGS += -D_EVENT_LOGGING
-endif
-
-
-ifeq ($(subst ",,$(TARGET_RECOVERY_FORCE_PIXEL_FORMAT)),RGBA_8888)
-  $(warning ****************************************************************************)
-  $(warning * TARGET_RECOVERY_FORCE_PIXEL_FORMAT := RGBA_8888 not implemented yet      *)
-  $(warning ****************************************************************************)
-  $(error stopping)
-  LOCAL_CFLAGS += -DRECOVERY_RGBA
-endif
-ifeq ($(subst ",,$(TARGET_RECOVERY_FORCE_PIXEL_FORMAT)),RGBX_8888)
-  $(warning ****************************************************************************)
-  $(warning * TARGET_RECOVERY_FORCE_PIXEL_FORMAT := RGBX_8888 not implemented yet      *)
-  $(warning ****************************************************************************)
-  $(error stopping)
-  LOCAL_CFLAGS += -DRECOVERY_RGBX
-endif
-ifeq ($(subst ",,$(TARGET_RECOVERY_FORCE_PIXEL_FORMAT)),BGRA_8888)
-  $(warning ****************************************************************************)
-  $(warning * TARGET_RECOVERY_FORCE_PIXEL_FORMAT := BGRA_8888 not implemented yet      *)
-  $(warning ****************************************************************************)
-  $(error stopping)
-  LOCAL_CFLAGS += -DRECOVERY_BGRA
-endif
-ifeq ($(subst ",,$(TARGET_RECOVERY_FORCE_PIXEL_FORMAT)),RGB_565)
-  LOCAL_CFLAGS += -DRECOVERY_FORCE_RGB_565
-endif
-
-# This used to compare against values in double-quotes (which are just
-# ordinary characters in this context).  Strip double-quotes from the
-# value so that either will work.
-
-ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),ABGR_8888)
-  LOCAL_CFLAGS += -DRECOVERY_ABGR
-endif
-ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),RGBX_8888)
-  LOCAL_CFLAGS += -DRECOVERY_RGBX
-endif
-ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),BGRA_8888)
-  LOCAL_CFLAGS += -DRECOVERY_BGRA
-endif
-
-ifneq ($(TARGET_RECOVERY_OVERSCAN_PERCENT),)
-  LOCAL_CFLAGS += -DOVERSCAN_PERCENT=$(TARGET_RECOVERY_OVERSCAN_PERCENT)
-else
-  LOCAL_CFLAGS += -DOVERSCAN_PERCENT=0
-endif
-ifeq ($(TW_FBIOPAN), true)
-    LOCAL_CFLAGS += -DTW_FBIOPAN
-endif
-
-ifneq ($(TW_ROTATION),)
-  ifeq (,$(filter 0 90 180 270, $(TW_ROTATION)))
-    $(error TW_ROTATION must be set to 0, 90, 180 or 270. Currently set to $(TW_ROTATION))
-  endif
-  LOCAL_CFLAGS += -DTW_ROTATION=$(TW_ROTATION)
-else
-  # Support for old flag
-  ifeq ($(BOARD_HAS_FLIPPED_SCREEN), true)
-    LOCAL_CFLAGS += -DTW_ROTATION=180
-  else
-    LOCAL_CFLAGS += -DTW_ROTATION=0
-  endif
-endif
-
-ifeq ($(TW_IGNORE_MAJOR_AXIS_0), true)
-LOCAL_CFLAGS += -DTW_IGNORE_MAJOR_AXIS_0
-endif
-
-ifeq ($(TW_IGNORE_MT_POSITION_0), true)
-LOCAL_CFLAGS += -DTW_IGNORE_MT_POSITION_0
-endif
-
-ifeq ($(TW_IGNORE_ABS_MT_TRACKING_ID), true)
-LOCAL_CFLAGS += -DTW_IGNORE_ABS_MT_TRACKING_ID
-endif
-
-ifneq ($(TW_INPUT_BLACKLIST),)
-  LOCAL_CFLAGS += -DTW_INPUT_BLACKLIST=$(TW_INPUT_BLACKLIST)
-endif
-
-ifneq ($(TW_WHITELIST_INPUT),)
-  LOCAL_CFLAGS += -DWHITELIST_INPUT=$(TW_WHITELIST_INPUT)
-endif
-
-ifeq ($(TW_HAPTICS_TSPDRV), true)
-  LOCAL_SRC_FILES += tspdrv.cpp
-  LOCAL_CFLAGS += -DTW_HAPTICS_TSPDRV
-endif
-
-ifeq ($(TW_DISABLE_TTF), true)
-    $(warning ****************************************************************************)
-    $(warning * TW_DISABLE_TTF support has been deprecated in TWRP.                      *)
-    $(warning ****************************************************************************)
-    $(error stopping)
-endif
-
-LOCAL_CLANG := true
-
-LOCAL_CFLAGS += -DTWRES=\"$(TWRES_PATH)\"
-LOCAL_SHARED_LIBRARIES += libft2 libz libc libcutils libpng libutils libc++
-ifneq ($(TW_INCLUDE_JPEG),)
-    LOCAL_SHARED_LIBRARIES += libjpeg
-endif
-LOCAL_STATIC_LIBRARIES += libpixelflinger_twrp
-ifeq ($(shell test $(PLATFORM_SDK_VERSION) -gt 25; echo $$?),0)
-LOCAL_SHARED_LIBRARIES += libcutils liblog libutils
-endif
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE := libminuitwrp
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/minuitwrp/libminuitwrp_defaults.go b/minuitwrp/libminuitwrp_defaults.go
index 802533a..2f82c6e 100644
--- a/minuitwrp/libminuitwrp_defaults.go
+++ b/minuitwrp/libminuitwrp_defaults.go
@@ -132,8 +132,11 @@
 	var tw_rotation = getMakeVars(ctx, "TW_ROTATION")
 	switch tw_rotation {
 	case "0":
+		fallthrough
 	case "90":
+		fallthrough
 	case "180":
+		fallthrough
 	case "270":
 		cflags = append(cflags, "-DTW_ROTATION="+tw_rotation)
 	default: