diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h
index 9e1ae38380b3c0ebcf1f4bcc4ae4b81a6c685c40..b3097ea8b5336681c4b7c8e28dbbcb84925e7758 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.h
+++ b/fs/xfs/libxfs/xfs_inode_buf.h
@@ -32,11 +32,6 @@ struct xfs_icdinode {
 	struct timespec64 di_crtime;	/* time created */
 };
 
-static inline bool xfs_icdinode_has_bigtime(const struct xfs_icdinode *icd)
-{
-	return icd->di_flags2 & XFS_DIFLAG2_BIGTIME;
-}
-
 /*
  * Inode location information.  Stored in the inode and passed to
  * xfs_imap_to_bp() to get a buffer and dinode for a given inode.