diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_pair_schedule.c b/src/mesa/drivers/dri/r300/compiler/radeon_pair_schedule.c
index 9beb5d6..c97ba77 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_pair_schedule.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_pair_schedule.c
@@ -769,7 +769,6 @@ static void emit_one_alu(struct schedule_state *s, struct rc_instruction * befor
 	} else {
 		struct schedule_instruction **prgb;
 		struct schedule_instruction **palpha;
-		struct schedule_instruction *prev;
 pair:
 		/* Some pairings might fail because they require too
 		 * many source slots; try all possible pairings if necessary */
@@ -789,31 +788,6 @@ pair:
 				goto success;
 			}
 		}
-		prev = NULL;
-		/* No success in pairing, now try to convert one of the RGB
-		 * instructions to an Alpha so we can pair it with another RGB.
-		 */
-		if (s->ReadyRGB && s->ReadyRGB->NextReady) {
-		for(prgb = &s->ReadyRGB; *prgb; prgb = &(*prgb)->NextReady) {
-			if ((*prgb)->NumWriteValues == 1) {
-				struct schedule_instruction * prgb_next;
-				if (!convert_rgb_to_alpha(s, *prgb))
-					goto cont_loop;
-				prgb_next = (*prgb)->NextReady;
-				/* Add instruction to the Alpha ready list. */
-				(*prgb)->NextReady = s->ReadyAlpha;
-				s->ReadyAlpha = *prgb;
-				/* Remove instruction from the RGB ready list.*/
-				if (prev)
-					prev->NextReady = prgb_next;
-				else
-					s->ReadyRGB = prgb_next;
-				goto pair;
-			}
-cont_loop:
-			prev = *prgb;
-		}
-		}
 		/* Still no success in pairing, just take the first RGB
 		 * or alpha instruction. */
 		if (s->ReadyRGB) {