diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index c5bbcaaa73c0..bef4abff8fa3 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -1613,26 +1613,3 @@ struct drm_local_map *drm_getsarea(struct drm_device *dev)
 	return NULL;
 }
 EXPORT_SYMBOL(drm_getsarea);
-
-/**
- * Compute size order.  Returns the exponent of the smaller power of two which
- * is greater or equal to given number.
- *
- * \param size size.
- * \return order.
- *
- * \todo Can be made faster.
- */
-int drm_order(unsigned long size)
-{
-	int order;
-	unsigned long tmp;
-
-	for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) ;
-
-	if (size & (size - 1))
-		++order;
-
-	return order;
-}
-EXPORT_SYMBOL(drm_order);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 5664acea3000..0ab6a090a15c 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1394,7 +1394,6 @@ extern int drm_freebufs(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 extern int drm_mapbufs(struct drm_device *dev, void *data,
 		       struct drm_file *file_priv);
-extern int drm_order(unsigned long size);
 
 				/* DMA support (drm_dma.h) */
 extern int drm_dma_setup(struct drm_device *dev);