diff --git a/client/puller/chats.go b/client/puller/chats.go
index bfd65c6..8055f18 100644
--- a/client/puller/chats.go
+++ b/client/puller/chats.go
@@ -1,8 +1,6 @@
 package puller
 
 import (
-	"math"
-
 	"git.zio.sh/astra/go-tdlib/client"
 )