diff --git a/wiki/pages/education.html b/wiki/pages/education.html
index b889534d7001e10e66370b27cd9bb74332e54841..69020f5383da63f7bae6918127bfef75cddfcb57 100755
--- a/wiki/pages/education.html
+++ b/wiki/pages/education.html
@@ -258,9 +258,6 @@
 				<div class='title2'>
 					&emsp;&emsp;we made a poster to publicize the harm of BPA and the knowledge about biosensors. 
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-					<img src="https://static.igem.wiki/teams/4400/wiki/education/pic13.png" alt="">
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 				<div class="img">
 					<img src="https://static.igem.wiki/teams/4400/wiki/education/pic14.png" alt="">
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