diff --git a/plugin/captcha/wav.php b/plugin/captcha/wav.php
index b0a8dbc8e..c3958ea9b 100644
--- a/plugin/captcha/wav.php
+++ b/plugin/captcha/wav.php
@@ -12,9 +12,11 @@ for($i=0;$i<strlen($number);$i++){
         $file = $en.$code{$i}.'.wav';
     }
     $wavs[] = $file;
+    /*
     for ($d=0;$d<rand(0,5);$d++) {
         $wavs[] = $lc.'delay'.rand(0,1).'.wav';
     }
+    */
 }
 
 //print_r($wavs); exit;
diff --git a/plugin/captcha/wavs/0.wav b/plugin/captcha/wavs/0.wav
index c5c0d1b96..d710f117e 100644
Binary files a/plugin/captcha/wavs/0.wav and b/plugin/captcha/wavs/0.wav differ
diff --git a/plugin/captcha/wavs/1.wav b/plugin/captcha/wavs/1.wav
index 4a4b45669..a55a089a5 100644
Binary files a/plugin/captcha/wavs/1.wav and b/plugin/captcha/wavs/1.wav differ
diff --git a/plugin/captcha/wavs/2.wav b/plugin/captcha/wavs/2.wav
index 620799b1c..7d92ebec6 100644
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diff --git a/plugin/captcha/wavs/3.wav b/plugin/captcha/wavs/3.wav
index e11a976b2..2423a16e8 100644
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diff --git a/plugin/captcha/wavs/4.wav b/plugin/captcha/wavs/4.wav
index c5f1f3cc7..98ef13970 100644
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diff --git a/plugin/captcha/wavs/5.wav b/plugin/captcha/wavs/5.wav
index 793ddffae..0282fbc48 100644
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diff --git a/plugin/captcha/wavs/6.wav b/plugin/captcha/wavs/6.wav
index b64f0c719..a2ce2fc89 100644
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diff --git a/plugin/captcha/wavs/7.wav b/plugin/captcha/wavs/7.wav
index 203f0f284..58db679a5 100644
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diff --git a/plugin/captcha/wavs/8.wav b/plugin/captcha/wavs/8.wav
index b74ab28c0..bd92986eb 100644
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diff --git a/plugin/captcha/wavs/9.wav b/plugin/captcha/wavs/9.wav
index 1ea0103f7..9044d0711 100644
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diff --git a/plugin/captcha/wavs/delay0.wav b/plugin/captcha/wavs/delay0.wav
deleted file mode 100644
index 309d2b8b4..000000000
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diff --git a/plugin/captcha/wavs/delay1.wav b/plugin/captcha/wavs/delay1.wav
deleted file mode 100644
index dca3357e6..000000000
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