diff --git a/storage/innobase/lob/lob0lob.cc b/storage/innobase/lob/lob0lob.cc
index d5b7fd10e79..085d96284f8 100644
--- a/storage/innobase/lob/lob0lob.cc
+++ b/storage/innobase/lob/lob0lob.cc
@@ -1397,42 +1397,4 @@ bool rec_check_lobref_space_id(dict_index_t *index, const rec_t *rec,
 }
 #endif /* UNIV_DEBUG */
 
-dberr_t mark_not_partially_updatable(trx_t *trx, dict_index_t *index,
-                                     const upd_t *update, mtr_t *mtr) {
-  if (!index->is_clustered()) {
-    /* Only clustered index can have LOBs. */
-    return (DB_SUCCESS);
-  }
-
-  const ulint n_fields = upd_get_n_fields(update);
-
-  for (ulint i = 0; i < n_fields; i++) {
-    const upd_field_t *ufield = upd_get_nth_field(update, i);
-
-    if (update->is_partially_updated(ufield->field_no)) {
-      continue;
-    }
-
-    if (ufield->is_virtual()) {
-      continue;
-    }
-
-    const dfield_t *new_field = &ufield->new_val;
-
-    if (ufield->ext_in_old && !dfield_is_ext(new_field)) {
-      const dfield_t *old_field = &ufield->old_val;
-      byte *field_ref = old_field->blobref();
-      ref_t ref(field_ref);
-
-      if (!ref.is_null_relaxed()) {
-        ut_ad(ref.space_id() == index->space_id());
-        ref.mark_not_partially_updatable(trx, mtr, index,
-                                         index->get_page_size());
-      }
-    }
-  }
-
-  return (DB_SUCCESS);
-}
-
 }  // namespace lob