diff --git a/Assets/Resources/Audio/Monster/Monster_03_Atk.wav b/Assets/Resources/Audio/Monster/Monster_03_Atk.wav
deleted file mode 100644
index f8dafb84..00000000
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diff --git a/Assets/Resources/Audio/Monster/Monster_03_Atk.wav.meta b/Assets/Resources/Audio/Monster/Monster_03_Atk.wav.meta
deleted file mode 100644
index 3710a81e..00000000
--- a/Assets/Resources/Audio/Monster/Monster_03_Atk.wav.meta
+++ /dev/null
@@ -1,36 +0,0 @@
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-AudioImporter:
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diff --git a/Assets/Resources/Audio/Monster/Monster_03_Hit.wav b/Assets/Resources/Audio/Monster/Monster_03_Hit.wav
deleted file mode 100644
index 3316aafc..00000000
Binary files a/Assets/Resources/Audio/Monster/Monster_03_Hit.wav and /dev/null differ
diff --git a/Assets/Resources/Audio/Monster/Monster_03_Hit.wav.meta b/Assets/Resources/Audio/Monster/Monster_03_Hit.wav.meta
deleted file mode 100644
index aaf39009..00000000
--- a/Assets/Resources/Audio/Monster/Monster_03_Hit.wav.meta
+++ /dev/null
@@ -1,36 +0,0 @@
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diff --git a/Assets/Resources/Prefab/Bullet/Monster/BulletMonster_03.prefab b/Assets/Resources/Prefab/Bullet/Monster/BulletMonster_03.prefab
index d3da6cf3..c1ee78fe 100644
--- a/Assets/Resources/Prefab/Bullet/Monster/BulletMonster_03.prefab
+++ b/Assets/Resources/Prefab/Bullet/Monster/BulletMonster_03.prefab
@@ -48,8 +48,8 @@ MonoBehaviour:
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   mPfbExplode: {fileID: 7213818210742496884, guid: ebbe6f2fd0b4841eb9ea6ee07a8759eb,
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-  mHitSound: {fileID: 8300000, guid: 07399fba85fed4811a21c17558a7c2b1, type: 3}
+  mShootSound: {fileID: 8300000, guid: 415e4a0685241434da3402fd9d653b06, type: 3}
+  mHitSound: {fileID: 8300000, guid: 1d2fb24c03da649c7b9e249811d44653, type: 3}
   mOrbit: 0
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