diff --git a/patch/kernel/odroidc2-default/hack_to_force_memory_page_writable.patch b/patch/kernel/odroidc2-default/hack_to_force_memory_page_writable.patch
deleted file mode 100644
index d1875bd8b..000000000
--- a/patch/kernel/odroidc2-default/hack_to_force_memory_page_writable.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From e6a2123ce9131a740f96e58004d76890d6b56a3f Mon Sep 17 00:00:00 2001
-From: Dongjin Kim <tobetter@gmail.com>
-Date: Fri, 29 Jun 2018 19:48:17 +0900
-Subject: [PATCH] ODROID-C2: gpu/arm: hack to force the memory page writable
-
-This patch is the hack to force the memory pages allocated by the ump driver
-to be writable such that they cannot have an error 'permission denied' when
-'mmap()' is called.
-
-Change-Id: I6917b0c36d93b0bf24a5a81d68c46c1802e2f9a5
-Signed-off-by: Dongjin Kim <tobetter@gmail.com>
----
- drivers/gpu/arm/ump/linux/ump_kernel_linux.c | 6 ++++++
- 1 file changed, 6 insertions(+)
-
-diff --git a/drivers/gpu/arm/ump/linux/ump_kernel_linux.c b/drivers/gpu/arm/ump/linux/ump_kernel_linux.c
-index e162c85cbd44f..56c3611856523 100755
---- a/drivers/gpu/arm/ump/linux/ump_kernel_linux.c
-+++ b/drivers/gpu/arm/ump/linux/ump_kernel_linux.c
-@@ -321,10 +321,16 @@ static int ump_file_ioctl(struct inode *inode, struct file *filp, unsigned int c
- 		break;
- 
- 	case UMP_IOC_ALLOCATE :
-+#if defined(CONFIG_ARCH_MESON64_ODROIDC2)
-+		mapping_allow_writable(filp->f_mapping);
-+#endif
- 		err = ump_allocate_wrapper((u32 __user *)argument, session_data);
- 		break;
- 
- 	case UMP_IOC_RELEASE:
-+#if defined(CONFIG_ARCH_MESON64_ODROIDC2)
-+		mapping_deny_writable(filp->f_mapping);
-+#endif
- 		err = ump_release_wrapper((u32 __user *)argument, session_data);
- 		break;
-