diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c
index b2f54fab4001..7c00656151fb 100644
--- a/fs/ntfs3/attrib.c
+++ b/fs/ntfs3/attrib.c
@@ -54,33 +54,6 @@ static inline u64 get_pre_allocated(u64 size)
 	return ret;
 }
 
-/*
- * attr_must_be_resident
- *
- * Return: True if attribute must be resident.
- */
-static inline bool attr_must_be_resident(struct ntfs_sb_info *sbi,
-					 enum ATTR_TYPE type)
-{
-	const struct ATTR_DEF_ENTRY *de;
-
-	switch (type) {
-	case ATTR_STD:
-	case ATTR_NAME:
-	case ATTR_ID:
-	case ATTR_LABEL:
-	case ATTR_VOL_INFO:
-	case ATTR_ROOT:
-	case ATTR_EA_INFO:
-		return true;
-	default:
-		de = ntfs_query_def(sbi, type);
-		if (de && (de->flags & NTFS_ATTR_MUST_BE_RESIDENT))
-			return true;
-		return false;
-	}
-}
-
 /*
  * attr_load_runs - Load all runs stored in @attr.
  */
diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index f45520a0d539..b7c68ca65bac 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -345,35 +345,6 @@ int ntfs_loadlog_and_replay(struct ntfs_inode *ni, struct ntfs_sb_info *sbi)
 	return err;
 }
 
-/*
- * ntfs_query_def
- *
- * Return: Current ATTR_DEF_ENTRY for given attribute type.
- */
-const struct ATTR_DEF_ENTRY *ntfs_query_def(struct ntfs_sb_info *sbi,
-					    enum ATTR_TYPE type)
-{
-	int type_in = le32_to_cpu(type);
-	size_t min_idx = 0;
-	size_t max_idx = sbi->def_entries - 1;
-
-	while (min_idx <= max_idx) {
-		size_t i = min_idx + ((max_idx - min_idx) >> 1);
-		const struct ATTR_DEF_ENTRY *entry = sbi->def_table + i;
-		int diff = le32_to_cpu(entry->type) - type_in;
-
-		if (!diff)
-			return entry;
-		if (diff < 0)
-			min_idx = i + 1;
-		else if (i)
-			max_idx = i - 1;
-		else
-			return NULL;
-	}
-	return NULL;
-}
-
 /*
  * ntfs_look_for_free_space - Look for a free space in bitmap.
  */
diff --git a/fs/ntfs3/ntfs_fs.h b/fs/ntfs3/ntfs_fs.h
index 070ede6bee19..6e2355310433 100644
--- a/fs/ntfs3/ntfs_fs.h
+++ b/fs/ntfs3/ntfs_fs.h
@@ -585,8 +585,6 @@ int ntfs_fix_post_read(struct NTFS_RECORD_HEADER *rhdr, size_t bytes,
 		       bool simple);
 int ntfs_extend_init(struct ntfs_sb_info *sbi);
 int ntfs_loadlog_and_replay(struct ntfs_inode *ni, struct ntfs_sb_info *sbi);
-const struct ATTR_DEF_ENTRY *ntfs_query_def(struct ntfs_sb_info *sbi,
-					    enum ATTR_TYPE Type);
 int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
 			     CLST *new_lcn, CLST *new_len,
 			     enum ALLOCATE_OPT opt);