diff --git a/internal/senders/common.go b/internal/senders/common.go
index 71b4b05..7d7469c 100644
--- a/internal/senders/common.go
+++ b/internal/senders/common.go
@@ -9,7 +9,6 @@ import (
 	"gitea.pena/SQuiz/common/model"
 	"golang.org/x/net/html"
 	"html/template"
-	"io"
 	"strings"
 )
 
diff --git a/main b/main
index 1654caf..4fc2520 100755
Binary files a/main and b/main differ
diff --git a/worker b/worker
deleted file mode 100755
index 3e5af3f..0000000
Binary files a/worker and /dev/null differ