diff --git a/utils/ap51-flash/Makefile b/utils/ap51-flash/Makefile
index c48396620..ea2eb2f80 100644
--- a/utils/ap51-flash/Makefile
+++ b/utils/ap51-flash/Makefile
@@ -7,23 +7,21 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ap51-flash
-PKG_VERSION:=2016-10-16
+PKG_VERSION:=2017-12-07
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=git://dev.cloudtrax.com/ap51-flash.git
+PKG_SOURCE_URL:=https://github.com/ap51-flash/ap51-flash.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=48b3fbac1c30c5968b2608eb09b53ea37c310a24
+PKG_SOURCE_VERSION:=f94f9c99711d14a3c0186318d822d67d9d0ce391
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
-PKG_MIRROR_HASH:=4d00a1ceb480793db95e359cb95d63630920335415c7ffdcd05f2616cf1bc034
+PKG_MIRROR_HASH:=15786a0ecae9be5ed4e8f32940624d1a1c83da924294df08003616a863947074
 PKG_MAINTAINER:=Russell Senior <russell@personaltelco.net>
+PKG_LICENSE:=GPL-3.0+
+PKG_LICENSE_FILES:=LICENSES/preferred/GPL-3.0
 
 include $(INCLUDE_DIR)/package.mk
 
-ifeq ($(CONFIG_BIG_ENDIAN),y)
-  STAMP_BUILT:=$(STAMP_BUILT)_big
-endif
-
 define Package/ap51-flash
   SECTION:=utils
   CATEGORY:=Utilities
@@ -31,15 +29,8 @@ define Package/ap51-flash
   URL:=http://dev.cloudtrax.com/wiki/ap51-flash-station
 endef
 
-TARGET_EXTRA_CFLAGS:=-DFLASH_FROM_FILE -DNO_LIBPCAP -D_GNU_SOURCE
-ifeq ($(CONFIG_BIG_ENDIAN),y)
-	TARGET_EXTRA_CFLAGS:=$(TARGET_EXTRA_CFLAGS) -DUIP_CONF_BYTE_ORDER=1234
-endif
-
 # pass optimization flags
 MAKE_FLAGS += \
-	OFLAGS="$(TARGET_CFLAGS)" \
-	EXTRA_CFLAGS="$(TARGET_EXTRA_CFLAGS)" \
 	REVISION="$(PKG_VERSION)" \
 	ap51-flash
 
diff --git a/utils/ap51-flash/patches/100-ipport_tftp_def.patch b/utils/ap51-flash/patches/100-ipport_tftp_def.patch
deleted file mode 100644
index ec728c84f..000000000
--- a/utils/ap51-flash/patches/100-ipport_tftp_def.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-Index: ap51-flash-2016-10-16/proto.c
-===================================================================
---- ap51-flash-2016-10-16.orig/proto.c
-+++ ap51-flash-2016-10-16/proto.c
-@@ -29,6 +29,10 @@
- #include "router_redboot.h"
- #include "router_tftp_client.h"
- 
-+#ifndef IPPORT_TFTP
-+#define IPPORT_TFTP	69
-+#endif
-+
- #define TFTP_SRC_PORT 13337
- #define REDBOOT_TELNET_SPORT 13337
- #define REDBOOT_TELNET_DPORT 9000