diff --git a/fs/aufs/Kconfig b/fs/aufs/Kconfig
index 7d1d113..71dd12a 100644
--- a/fs/aufs/Kconfig
+++ b/fs/aufs/Kconfig
@@ -123,10 +123,6 @@ config AUFS_SEC_PERM_PATCH
 	depends on AUFS = m
 	depends on SECURITY
 	default y
-config AUFS_SPLICE_PATCH
-	bool
-	depends on AUFS
-	default y
 config AUFS_PUT_FILP_PATCH
 	bool
 	depends on AUFS = m
@@ -141,7 +137,7 @@ config AUFS_LHASH_PATCH
 config AUFS_DENY_WRITE_ACCESS_PATCH
 	bool
 	depends on AUFS = m
-	default y
+	default n
 config AUFS_SYSFS_GET_DENTRY_PATCH
 	bool "Show the amount of kernel memory allocated in /sys/fs/aufs"
 	depends on AUFS_SYSAUFS
diff --git a/fs/aufs/f_op.c b/fs/aufs/f_op.c
index 3d797e0..0b31ed0 100644
--- a/fs/aufs/f_op.c
+++ b/fs/aufs/f_op.c
@@ -226,8 +226,6 @@ static ssize_t aufs_write(struct file *file, const char __user *__buf,
 	return err;
 }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23) \
-	|| defined(CONFIG_AUFS_SPLICE_PATCH)
 static int au_test_loopback(void)
 {
 	const char c = current->comm[4];
@@ -237,9 +235,7 @@ static int au_test_loopback(void)
 			      && strncmp(current->comm, "loop", 4) == 0);
 	return loopback;
 }
-#endif
 
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 static ssize_t aufs_splice_read(struct file *file, loff_t *ppos,
 				struct pipe_inode_info *pipe, size_t len,
 				unsigned int flags)
@@ -335,7 +331,6 @@ aufs_splice_write(struct pipe_inode_info *pipe, struct file *file, loff_t *ppos,
 	AuTraceErr(err);
 	return err;
 }
-#endif /* CONFIG_AUFS_SPLICE_PATCH */
 
 /* ---------------------------------------------------------------------- */
 
@@ -874,8 +869,6 @@ struct file_operations aufs_file_fop = {
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 22)
 	.sendfile	= aufs_sendfile,
 #endif
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 	.splice_write	= aufs_splice_write,
 	.splice_read	= aufs_splice_read,
-#endif
 };
diff --git a/fs/aufs/module.c b/fs/aufs/module.c
index ffc8aa2..42bd96e 100644
--- a/fs/aufs/module.c
+++ b/fs/aufs/module.c
@@ -437,11 +437,6 @@ module_exit(aufs_exit);
 #endif
 #endif
 
-#if defined(CONFIG_AUFS_SPLICE_PATCH) \
-	&& LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
-#error CONFIG_AUFS_SPLICE_PATCH is supported linux-2.6.23 and later.
-#endif
-
 #ifdef CONFIG_DEBUG_PROVE_LOCKING
 #if MAX_LOCKDEP_SUBCLASSES < AuLsc_I_End
 #warning lockdep will not work since aufs uses deeper locks.
diff --git a/fs/aufs/sysaufs.c b/fs/aufs/sysaufs.c
index e5560de..911daa5 100644
--- a/fs/aufs/sysaufs.c
+++ b/fs/aufs/sysaufs.c
@@ -396,9 +396,6 @@ static int make_config(struct seq_file *seq, struct sysaufs_args *args,
 #ifdef CONFIG_AUFS_SEC_PERM_PATCH
 	puts_bool(SEC_PERM_PATCH);
 #endif
-#ifdef CONFIG_AUFS_SPLICE_PATCH
-	puts_bool(SPLICE_PATCH);
-#endif
 #ifdef CONFIG_AUFS_PUT_FILP_PATCH
 	puts_bool(PUT_FILP_PATCH);
 #endif
diff --git a/fs/aufs/vfsub.h b/fs/aufs/vfsub.h
index 9bdc9f3..44a3836 100644
--- a/fs/aufs/vfsub.h
+++ b/fs/aufs/vfsub.h
@@ -25,10 +25,7 @@
 
 #include <linux/fs.h>
 #include <linux/version.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 23) \
-	&& defined(CONFIG_AUFS_SPLICE_PATCH)
 #include <linux/splice.h>
-#endif
 #ifdef CONFIG_AUFS_HINOTIFY
 #include <linux/inotify.h>
 #endif
@@ -592,7 +589,6 @@ int do_vfsub_readdir(struct file *file, filldir_t filldir, void *arg)
 
 /* ---------------------------------------------------------------------- */
 
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 static inline
 long do_vfsub_splice_to(struct file *in, loff_t *ppos,
 			struct pipe_inode_info *pipe, size_t len,
@@ -627,7 +623,7 @@ long do_vfsub_splice_from(struct pipe_inode_info *pipe, struct file *out,
 		au_update_fuse_h_inode(out->f_vfsmnt, out->f_dentry); /*ignore*/
 	return err;
 }
-#else
+#if 0
 static inline
 long do_vfsub_splice_to(struct file *in, loff_t *ppos,
 			struct pipe_inode_info *pipe, size_t len,
diff --git a/fs/splice.c b/fs/splice.c
index 581d3f0..61e07dc 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -893,10 +893,9 @@ EXPORT_SYMBOL(generic_splice_sendpage);
 /*
  * Attempt to initiate a splice from pipe to file.
  */
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 			   loff_t *ppos, size_t len, unsigned int flags)
-#else
+#if 0
 static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 			   loff_t *ppos, size_t len, unsigned int flags)
 #endif
@@ -919,18 +918,15 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 
 	return out->f_op->splice_write(pipe, out, ppos, len, flags);
 }
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 EXPORT_SYMBOL(do_splice_from);
-#endif
 
 /*
  * Attempt to initiate a splice from a file to a pipe.
  */
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 long do_splice_to(struct file *in, loff_t *ppos,
 			 struct pipe_inode_info *pipe, size_t len,
 			 unsigned int flags)
-#else
+#if 0
 static long do_splice_to(struct file *in, loff_t *ppos,
 			 struct pipe_inode_info *pipe, size_t len,
 			 unsigned int flags)
@@ -954,9 +950,7 @@ static long do_splice_to(struct file *in, loff_t *ppos,
 
 	return in->f_op->splice_read(in, ppos, pipe, len, flags);
 }
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 EXPORT_SYMBOL(do_splice_to);
-#endif
 
 /**
  * splice_direct_to_actor - splices data directly between two non-pipes
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 7846e83..d5cd3b9 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -70,11 +70,9 @@ extern ssize_t splice_to_pipe(struct pipe_inode_info *,
 extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 				      splice_direct_actor *);
 
-#ifdef CONFIG_AUFS_SPLICE_PATCH
 extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 			   loff_t *ppos, size_t len, unsigned int flags);
 extern long do_splice_to(struct file *in, loff_t *ppos,
 			 struct pipe_inode_info *pipe, size_t len,
 			 unsigned int flags);
 #endif
-#endif