diff --git a/src/i830_display.c b/src/i830_display.c
index 1496c3a3..6eb2a330 100644
--- a/src/i830_display.c
+++ b/src/i830_display.c
@@ -476,8 +476,10 @@ i830PipeSetMode(ScrnInfoPtr pScrn, DisplayModePtr pMode, int pipe)
 
     if (outputs & (PIPE_TV_ACTIVE | PIPE_TV2_ACTIVE))
 	dpll |= PLL_REF_INPUT_TVCLKINBC;
+#if 0    
     else if (outputs & (PIPE_LCD_ACTIVE))
 	dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
+#endif
     else	
 	dpll |= PLL_REF_INPUT_DREFCLK;