diff --git a/src/p_spec.c b/src/p_spec.c
index c4cd60c8a..89d590e75 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -6717,31 +6717,6 @@ static void Add_Scroller(INT32 type, fixed_t dx, fixed_t dy, INT32 control, INT3
 	P_AddThinker(&s->thinker);
 }
 
-/** Adds a wall scroller.
-  * Scroll amount is rotated with respect to wall's linedef first, so that
-  * scrolling towards the wall in a perpendicular direction is translated into
-  * vertical motion, while scrolling along the wall in a parallel direction is
-  * translated into horizontal motion.
-  *
-  * \param dx      x speed of scrolling or its acceleration.
-  * \param dy      y speed of scrolling or its acceleration.
-  * \param l       Line whose front side will scroll.
-  * \param control Sector whose heights control this scroller's effect
-  *                remotely, or -1 if there is no control sector.
-  * \param accel   Nonzero for an accelerative effect.
-  * \sa Add_Scroller, P_SpawnScrollers
-  */
-static void Add_WallScroller(fixed_t dx, fixed_t dy, const line_t *l, INT32 control, INT32 accel)
-{
-	fixed_t x = abs(l->dx), y = abs(l->dy), d;
-	if (y > x)
-		d = x, x = y, y = d;
-	d = FixedDiv(x, FINESINE((tantoangle[FixedDiv(y, x) >> DBITS] + ANGLE_90) >> ANGLETOFINESHIFT));
-	x = -FixedDiv(FixedMul(dy, l->dy) + FixedMul(dx, l->dx), d);
-	y = -FixedDiv(FixedMul(dx, l->dy) - FixedMul(dy, l->dx), d);
-	Add_Scroller(sc_side, x, y, control, *l->sidenum, accel, 0);
-}
-
 /** Initializes the scrollers.
   *
   * \todo Get rid of all the magic numbers.
@@ -6824,7 +6799,7 @@ static void P_SpawnScrollers(void)
 			case 502:
 				for (s = -1; (s = P_FindLineFromLineTag(l, s)) >= 0 ;)
 					if (s != (INT32)i)
-						Add_WallScroller(dx, dy, lines+s, control, accel);
+						Add_Scroller(sc_side, dx, dy, control, lines[s].sidenum[0], accel, 0);
 				break;
 
 			case 505: