diff --git a/src/i830_xf86Modes.c b/src/i830_xf86Modes.c
index 482a332..e5955b0 100644
--- a/src/i830_xf86Modes.c
+++ b/src/i830_xf86Modes.c
@@ -178,17 +178,6 @@ xf86SetModeCrtc(DisplayModePtr p, int adjustFlags)
     }
     p->CrtcHBlankStart = min(p->CrtcHSyncStart, p->CrtcHDisplay);
     p->CrtcHBlankEnd = max(p->CrtcHSyncEnd, p->CrtcHTotal);
-
-    if ((p->CrtcHBlankEnd - p->CrtcHBlankStart) >= 63 * 8) {
-        /*
-         * H Blanking size must be < 63*8. Same remark as above.
-         */
-        p->CrtcHBlankStart = p->CrtcHBlankEnd - 63 * 8;
-	if (p->CrtcHBlankStart > p->CrtcHSyncStart) {
-	    p->CrtcHBlankStart = p->CrtcHSyncStart;
-	    p->CrtcHBlankEnd = min(p->CrtcHBlankStart + 63 * 8, p->CrtcHTotal);
-	}
-    }
 }
 
 /**