diff --git a/src/compositor/plugins/default.c b/src/compositor/plugins/default.c
index 8d1c1a274..d97e034e1 100644
--- a/src/compositor/plugins/default.c
+++ b/src/compositor/plugins/default.c
@@ -150,8 +150,6 @@ typedef struct _DisplayTilePreview
 {
   ClutterActor   *actor;
 
-  GdkRGBA        *preview_color;
-
   MetaRectangle   tile_rect;
 } DisplayTilePreview;