diff --git a/Assets/_Project/Scripts/Gameplay/WaveDefinition.cs b/Assets/_Project/Scripts/Gameplay/WaveDefinition.cs
index 3aae46e..f487e7c 100644
--- a/Assets/_Project/Scripts/Gameplay/WaveDefinition.cs
+++ b/Assets/_Project/Scripts/Gameplay/WaveDefinition.cs
@@ -17,12 +17,7 @@ namespace TD.Gameplay
         [Tooltip("How many enemies of this type to spawn.")]
         public int Count;
 
-        [Tooltip("How many enemies spawn per burst. 1 (default) = original one-at-a-time " +
-                 "behaviour. Values > 1 spawn that many simultaneously before waiting SpawnInterval.")]
-        public int ChunkSize;
-
-        [Tooltip("Seconds between each burst. With ChunkSize > 1 this is the pause between " +
-                 "groups rather than between individual enemies.")]
+        [Tooltip("Seconds between each burst. Enemies spawn in bursts of 10% of Count at a time.")]
         public float SpawnInterval;
 
     }
diff --git a/Assets/_Project/Scripts/Gameplay/WaveManager.cs b/Assets/_Project/Scripts/Gameplay/WaveManager.cs
index 4ca920f..96e507b 100644
--- a/Assets/_Project/Scripts/Gameplay/WaveManager.cs
+++ b/Assets/_Project/Scripts/Gameplay/WaveManager.cs
@@ -336,7 +336,7 @@ namespace TD.Gameplay
                 {
                     if (entry.EnemyType == null || entry.Count <= 0) continue;
 
-                    int chunkSize = Mathf.Max(1, entry.ChunkSize);
+                    int chunkSize = Mathf.Max(1, Mathf.RoundToInt(entry.Count * 0.1f));
                     for (int i = 0; i < entry.Count; i += chunkSize)
                     {
                         int burst = Mathf.Min(chunkSize, entry.Count - i);