diff --git a/libntfs/attrib.c b/libntfs/attrib.c
index b58c0740..13165d4c 100644
--- a/libntfs/attrib.c
+++ b/libntfs/attrib.c
@@ -3193,7 +3193,6 @@ cluster_free_err_out:
  *
  * On success return 0 and on error return -1 with errno set to the error code.
  * The following error codes are defined:
- *	ENOTSUP	- The desired resize is not implemented yet.
  *	ENOMEM	- Not enough memory to complete operation.
  *	ERANGE	- @newsize is not valid for the attribute type of @na.
  *	ENOSPC  - There is no enogh space in base mft to resize $ATTRIBUTE_LIST.
@@ -3249,10 +3248,8 @@ static int ntfs_resident_attr_resize(ntfs_attr *na, const s64 newsize)
 		/* Error! If not enough space, just continue. */
 		if (errno != ENOSPC) {
 			err = errno;
-			if (err != ENOTSUP)
-				Dprintf("%s(): Eeek!  Failed to resize "
-						"resident part of attribute.  "
-						"Aborting...\n", __FUNCTION__);
+			Dprintf("%s(): Eeek!  Failed to resize resident part "
+				"of attribute.  Aborting...\n", __FUNCTION__);
 			goto put_err_out;
 		}
 	}
@@ -3590,7 +3587,6 @@ static int ntfs_attr_make_resident(ntfs_attr *na, ntfs_attr_search_ctx *ctx)
  *
  * On success return 0 and on error return -1 with errno set to the error code.
  * The following error codes are defined:
- *	ENOTSUP	- The desired resize is not implemented yet.
  *	ENOMEM	- Not enough memory to complete operation.
  *	ENOSPC  - There is no enogh space in base mft to resize $ATTRIBUTE_LIST.
  */
@@ -3905,7 +3901,6 @@ put_err_out:
  *
  * On success return 0 and on error return -1 with errno set to the error code.
  * The following error codes are defined:
- *	ENOTSUP	- The desired resize is not implemented yet.
  *	ENOMEM	- Not enough memory to complete operation.
  *	ERANGE	- @newsize is not valid for the attribute type of @na.
  */
@@ -4061,7 +4056,6 @@ put_err_out:
  *
  * On success return 0 and on error return -1 with errno set to the error code.
  * The following error codes are defined:
- *	ENOTSUP	- The desired resize is not implemented yet.
  *	ENOMEM	- Not enough memory to complete operation.
  *	ERANGE	- @newsize is not valid for the attribute type of @na.
  *	ENOSPC  - There is no enogh space in base mft to resize $ATTRIBUTE_LIST.
diff --git a/libntfs/attrlist.c b/libntfs/attrlist.c
index 845760df..6375187e 100644
--- a/libntfs/attrlist.c
+++ b/libntfs/attrlist.c
@@ -91,7 +91,6 @@ int ntfs_attrlist_need(ntfs_inode *ni)
  * following error codes are defined:
  *	EINVAL	- Invalid argumets passed to function.
  *	ENOMEM	- Not enough memory to allocate necessary buffers.
- *	ENOTSUP	- Code that required for set is not implemented yet.
  *	EIO	- I/O error occured or damaged filesystem.
  */
 int ntfs_attrlist_entry_add(ntfs_inode *ni, ATTR_RECORD *attr)
diff --git a/libntfs/inode.c b/libntfs/inode.c
index 6e2aa006..ffe1dc9a 100644
--- a/libntfs/inode.c
+++ b/libntfs/inode.c
@@ -405,7 +405,6 @@ int ntfs_inode_attach_all_extents(ntfs_inode *ni)
  * Return 0 on success or -1 on error with errno set to the error code.
  * The following error codes are defined:
  *	EINVAL	- Invalid arguments were passed to the function.
- *	ENOTSUP	- Syncing requires code that has not been imlemented yet.
  *	EBUSY	- Inode and/or one of its extents is busy, try again later.
  *	EIO	- I/O error while writing the inode (or one of its extents).
  */
@@ -515,7 +514,6 @@ int ntfs_inode_sync(ntfs_inode *ni)
  *	EINVAL	- Invalid arguments were passed to the function.
  *	EEXIST	- Attibute list already exist.
  *	EIO	- Input/Ouput error occured.
- *	ENOTSUP	- Add requires code that has not been imlemented yet.
  *	ENOMEM	- Not enogh memory to perform add.
  */
 int ntfs_inode_add_attrlist(ntfs_inode *ni)