diff --git a/webgoat-lessons/insecure-deserialization/src/main/resources/html/InsecureDeserialization.html b/webgoat-lessons/insecure-deserialization/src/main/resources/html/InsecureDeserialization.html
index a52f3ce1e..c0b8d7afa 100755
--- a/webgoat-lessons/insecure-deserialization/src/main/resources/html/InsecureDeserialization.html
+++ b/webgoat-lessons/insecure-deserialization/src/main/resources/html/InsecureDeserialization.html
@@ -23,8 +23,6 @@
         <div class="adoc-content" th:replace="doc:InsecureDeserialization_Task.adoc"></div>
         <div class="attack-container">
             <div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
-            <script th:src="@{/lesson_js/credentials.js}"
-                    language="JavaScript"></script>
             <form class="attack-form" accept-charset="UNKNOWN" name="task"
                   method="POST"
                   action="/WebGoat/InsecureDeserialization/task">
diff --git a/webgoat-lessons/insecure-deserialization/src/main/resources/js/credentials.js b/webgoat-lessons/insecure-deserialization/src/main/resources/js/credentials.js
deleted file mode 100755
index b7387c623..000000000
--- a/webgoat-lessons/insecure-deserialization/src/main/resources/js/credentials.js
+++ /dev/null
@@ -1,6 +0,0 @@
-function submit_secret_credentials() {
-    var xhttp = new XMLHttpRequest();
-    xhttp['open']('POST', '#attack/307/100', true);
-	//sending the request is obfuscated, to descourage js reading
-	var _0xb7f9=["\x43\x61\x70\x74\x61\x69\x6E\x4A\x61\x63\x6B","\x42\x6C\x61\x63\x6B\x50\x65\x61\x72\x6C","\x73\x74\x72\x69\x6E\x67\x69\x66\x79","\x73\x65\x6E\x64"];xhttp[_0xb7f9[3]](JSON[_0xb7f9[2]]({username:_0xb7f9[0],password:_0xb7f9[1]}))
-}
\ No newline at end of file
diff --git a/webgoat-lessons/insecure-deserialization/src/test/resources/logback-test.xml b/webgoat-lessons/insecure-deserialization/src/test/resources/logback-test.xml
deleted file mode 100644
index a2aa1f5c1..000000000
--- a/webgoat-lessons/insecure-deserialization/src/test/resources/logback-test.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<configuration>
-
-  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-    <!-- encoders are assigned the type
-         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
-    <encoder>
-      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
-    </encoder>
-  </appender>
-  
-  <logger name="org.owasp.webgoat.plugin" level="INFO"/>
-
-  <root level="ERROR">
-    <appender-ref ref="STDOUT" />
-  </root>
-</configuration>
\ No newline at end of file