diff --git a/server/gameserver/ingamevoice.cc b/server/gameserver/ingamevoice.cc
index f4043c44..03d173e1 100644
--- a/server/gameserver/ingamevoice.cc
+++ b/server/gameserver/ingamevoice.cc
@@ -7,13 +7,6 @@
 
 #include "mt/InGameVoice.h"
 
-enum KillerVoiceFlags_e
-{
-    KVF_SeriesKills = 1,
-    KVF_NoDeadSeriesKills,
-    KVF_ExceptFirstBoold,
-};
-
 static void IncIntMap(std::map<int, int>& int_map, int key)
 {
     auto itr = int_map.find(key);
@@ -77,10 +70,12 @@ void InGameVoice::OnHumanBeKill(int killer_id, Human* deader)
         return;
     }
     ++global_kills_;
-    IncIntMap(personal_kills_, killer_id);
-    IncIntMap(personal_series_kills_, killer_id);
-    if (!killer->dead) {
-        IncIntMap(personal_nodead_series_kills_, killer_id);
+    if (global_kills_ > 1) {
+        IncIntMap(personal_kills_, killer_id);
+        IncIntMap(personal_series_kills_, killer_id);
+        if (!killer->dead) {
+            IncIntMap(personal_nodead_series_kills_, killer_id);
+        }
     }
     TriggerEvent(killer, deader);
     {