diff --git a/patch/u-boot/u-boot-default/u-boot_A13_SOM_512MB.patch b/patch/u-boot/u-boot-default/u-boot_A13_SOM_512MB.patch
deleted file mode 100644
index d7414e4993..0000000000
--- a/patch/u-boot/u-boot-default/u-boot_A13_SOM_512MB.patch
+++ /dev/null
@@ -1,18 +0,0 @@
---- board/sunxi/dram_a13_oli_micro.c	2014-06-09 08:31:03.000000000 +0300
-+++ board/sunxi/dram_a13_oli_micro_512MB.c	2014-06-09 08:39:47.000000000 +0300
-@@ -7,13 +7,13 @@
- 	.clock = 408,
- 	.type = 3,
- 	.rank_num = 1,
--	.density = 2048,
-+	.density = 4096,
- 	.io_width = 16,
- 	.bus_width = 16,
- 	.cas = 9,
- 	.zq = 123,
- 	.odt_en = 0,
--	.size = 256,
-+	.size = 512,
- 	.tpr0 = 0x42d899b7,
- 	.tpr1 = 0xa090,
- 	.tpr2 = 0x22a00,