diff --git a/plugins/statistics.koplugin/calendarview.lua b/plugins/statistics.koplugin/calendarview.lua
index 8fd2de309..363444389 100644
--- a/plugins/statistics.koplugin/calendarview.lua
+++ b/plugins/statistics.koplugin/calendarview.lua
@@ -3,7 +3,6 @@ local Blitbuffer = require("ffi/blitbuffer")
 local BottomContainer = require("ui/widget/container/bottomcontainer")
 local Button = require("ui/widget/button")
 local CenterContainer = require("ui/widget/container/centercontainer")
-local CloseButton = require("ui/widget/closebutton")
 local Device = require("device")
 local Font = require("ui/font")
 local FrameContainer = require("ui/widget/container/framecontainer")