1 files changed, 0 insertions, 14 deletions

diff --git a/src/syntax.c b/src/syntax.c
index dd2f56f2cfa..fe1e2d236b9 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -340,20 +340,6 @@ update_syntax_table (ptrdiff_t charpos, EMACS_INT count, bool init,
       invalidate = false;
       if (!i)
         return;
-      /* interval_of updates only ->position of the return value, so
-         update the parents manually to speed up update_interval.  */
-      while (!NULL_PARENT (i))
-        {
-          if (AM_RIGHT_CHILD (i))
-            INTERVAL_PARENT (i)->position = i->position
-              - LEFT_TOTAL_LENGTH (i) + TOTAL_LENGTH (i) /* right end */
-              - TOTAL_LENGTH (INTERVAL_PARENT (i))
-              + LEFT_TOTAL_LENGTH (INTERVAL_PARENT (i));
-          else
-            INTERVAL_PARENT (i)->position = i->position - LEFT_TOTAL_LENGTH (i)
-              + TOTAL_LENGTH (i);
-          i = INTERVAL_PARENT (i);
-        }
       i = gl_state.forward_i;
       gl_state.b_property = i->position - gl_state.offset;
       gl_state.e_property = INTERVAL_LAST_POS (i) - gl_state.offset;