diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index d79eb8a9..6d978146 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -516,7 +516,6 @@ sna_pixmap_alloc_cpu(struct sna *sna,
 		priv->ptr = malloc(priv->stride * pixmap->drawable.height);
 	}
 
-	assert(priv->ptr);
 done:
 	assert(priv->stride);
 	assert(!priv->mapped);