diff --git a/internal/service/handlers/daily_question_get.go b/internal/service/handlers/daily_question_get.go
index d905d05..9f0398b 100644
--- a/internal/service/handlers/daily_question_get.go
+++ b/internal/service/handlers/daily_question_get.go
@@ -5,7 +5,6 @@ import (
 	"net/http"
 	"strconv"
 	"strings"
-	"sync"
 	"time"
 
 	"github.com/go-chi/chi"
@@ -17,8 +16,6 @@ import (
 	"gitlab.com/distributed_lab/ape/problems"
 )
 
-var mu sync.Mutex
-
 func GetDailyQuestion(w http.ResponseWriter, r *http.Request) {
 	nullifier := strings.ToLower(chi.URLParam(r, "nullifier"))
 	cfg := DailyQuestions(r)