diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 53a526c7b24dcab0ad0a9e9f4302c9fc9803581f..4b0c7475ed1335bb6667cbec9de19d3da5548695 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -810,14 +810,6 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
 	/* Return upper bound of timestamp precision error. */
 	*max_error = duration_ns;
 
-	/* Check if in vblank area:
-	 * vpos is >=0 in video scanout area, but negative
-	 * within vblank area, counting down the number of lines until
-	 * start of scanout.
-	 */
-	if (vbl_status & DRM_SCANOUTPOS_IN_VBLANK)
-		ret |= DRM_VBLANKTIME_IN_VBLANK;
-
 	/* Convert scanout position into elapsed time at raw_time query
 	 * since start of scanout at first display scanline. delta_ns
 	 * can be negative if start of scanout hasn't happened yet.
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index ec8d882b364cd89a24ab90f8f1e1a0cd20db5f34..3bfafcdb8710a996d38522bc9d90ff3f92c5404f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -322,7 +322,6 @@ struct pci_controller;
 /* Flags and return codes for get_vblank_timestamp() driver function. */
 #define DRM_CALLED_FROM_VBLIRQ 1
 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
-#define DRM_VBLANKTIME_IN_VBLANK         (1 << 1)
 
 /* get_scanout_position() return flags */
 #define DRM_SCANOUTPOS_VALID        (1 << 0)