diff --git a/src/main/java/org/olat/course/nodes/basiclti/_chelp/ced-lti-conf.html b/src/main/java/org/olat/course/nodes/basiclti/_chelp/ced-lti-conf.html
deleted file mode 100644
index 1dd1987e570e653c6180e1362324f062ffd24053..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/basiclti/_chelp/ced-lti-conf.html
+++ /dev/null
@@ -1,79 +0,0 @@
- <p>
- $r.translate("cshelp.lti1") $r.translate("chelp.lti2")
- </p>
- <p>
- $r.translate("chelp.lti.info")
- <a href="http://www.imsglobal.org/lti/" target="_blank"><i class="o_icon o_icon_link_extern"> </i> http://www.imsglobal.org/lti/</a>
-</p>
-<hr />
-
-
- <p>
- $r.translate("chelp.lti3") $r.translate("chelp.lti4")
-</p>
-
- <p class="o_info">
- $r.translate("chelp.lti.data")
-</p>
-
-<p>
- $r.translate("chelp.lti.config")
-</p>
-<p>
- <b>$r.translate("LTConfigForm.url"):</b> $r.translate("chelp.lti5")
-</p>
-<p>
- <b>$r.translate("LTConfigForm.key"):</b> $r.translate("chelp.lti6")
-</p>
-<p>
- <b>$r.translate("LTConfigForm.pass"):</b> $r.translate("chelp.lti7")
- <hr />
-</p>
-
-<p>
- <b>$r.translate("display.config.sendName"):</b> $r.translate("chelp.lti8")
-</p>
-<p>
- <b>$r.translate("display.config.sendEmail"):</b> $r.translate("chelp.lti9")
-</p>
-<p>
- <b>$r.translate("display.config.custom")</b>: $r.translate("chelp.lti10") $r.translate("chelp.lti11")
- <hr />
-</p>
-
-<p>
- <b>$r.translate("roles.title.oo")</b>:
- $r.translate("chelp.lti.roles")
- <hr />
-</p>
-
-<p>
- <b>$r.translate("assessable.label")</b>:
- $r.translate("chelp.lti.assessable")
-</p>
-<p>
- <b>$r.translate("scaleFactor")</b>:
- $r.translate("chelp.lti.scale")
-</p>
-<p>
- <b>$r.translate("cutvalue.label")</b>:
- $r.translate("chelp.lti.cut")
- <hr />
-</p>
-
-<p>
- <b>$r.translate("display.config.window")</b>:
- $r.translate("chelp.lti.display")
-</p>
-<p>
- <b>$r.translate("display.config.height")</b>:
- $r.translate("chelp.lti.pixel")
-</p>
-<p>
- <b>$r.translate("display.config.width")</b>:
- $r.translate("chelp.lti.pixel")
- <hr />
-</p>
-<p>
- <b>$r.translate("display.config.doDebug")</b>: $r.translate("chelp.lti12")$r.translate("chelp.lti13")
-</p>
diff --git a/src/main/java/org/olat/course/nodes/cp/_chelp/ced-cp-disp.html b/src/main/java/org/olat/course/nodes/cp/_chelp/ced-cp-disp.html
deleted file mode 100644
index 0ff3004f98028b4abaea6209a34ed2cee7de6d5a..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/cp/_chelp/ced-cp-disp.html
+++ /dev/null
@@ -1,2 +0,0 @@
-<p>$r.translate("chelp.disp7")</p>
-
diff --git a/src/main/java/org/olat/course/nodes/cp/_chelp/ced-cp.html b/src/main/java/org/olat/course/nodes/cp/_chelp/ced-cp.html
deleted file mode 100644
index d063769a640bc3f3973388ed6821e7587981f85e..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/cp/_chelp/ced-cp.html
+++ /dev/null
@@ -1,3 +0,0 @@
- <br/>
- $r.translate("chelp.cp1") $r.translate("chelp.cp2") <br><br>
- $r.translate("chelp.cp3") $r.translate("chelp.cp4")
diff --git a/src/main/java/org/olat/course/nodes/en/_chelp/ced-en.html b/src/main/java/org/olat/course/nodes/en/_chelp/ced-en.html
deleted file mode 100644
index da670463603b88a382444283641839af16d5a2af..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/en/_chelp/ced-en.html
+++ /dev/null
@@ -1,8 +0,0 @@
- <br/>
- $r.translate("chelp.en1") <br/><br/>
-$r.translate("chelp.en4") <br/><br/>
-
- <b>$r.translate("form.groupnames"):</b> $r.translate("chelp.en2") $r.translate("chelp.chsLearngr") <br/><br/>
- <b>$r.translate("form.areanames"):</b> $r.translate("chelp.en3")
- $r.translate("chelp.chsLearnar") $r.translate("chelp.en6") <br/><br/>
- <b>$r.translate("form.enableCancelEnroll"):</b> $r.translate("chelp.en5")
diff --git a/src/main/java/org/olat/course/nodes/feed/_chelp/help_choose_feed.html b/src/main/java/org/olat/course/nodes/feed/_chelp/help_choose_feed.html
deleted file mode 100644
index e35d805a4ed3e29f86fcf2b6afc47876ec7669bd..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/feed/_chelp/help_choose_feed.html
+++ /dev/null
@@ -1,3 +0,0 @@
- <br/>
-$r.translate("chelp.feed.p1") $r.translate("chelp.feed.p2") <br/> <br/>
-$r.translate("chelp.feed.p3") $r.translate("chelp.feed.p4")
diff --git a/src/main/java/org/olat/course/nodes/info/_chelp/ced-info-config.html b/src/main/java/org/olat/course/nodes/info/_chelp/ced-info-config.html
deleted file mode 100644
index e591d81326cf92c3b4cf3b7fce2f42186b7c271e..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/info/_chelp/ced-info-config.html
+++ /dev/null
@@ -1,4 +0,0 @@
-<br/>$r.translate("chelp.ced-info-config1") $r.translate("chelp.ced-info-config2")
-<br/><br/>
-<b>$r.translate("chelp.ced-info-config2.label"):</b> $r.translate("chelp.ced-info-config2")<br/>
-<b>$r.translate("chelp.ced-info-config3.label"):</b> $r.translate("chelp.ced-info-config3")
\ No newline at end of file
diff --git a/src/main/java/org/olat/course/nodes/scorm/_chelp/ced-scorm-settings.html b/src/main/java/org/olat/course/nodes/scorm/_chelp/ced-scorm-settings.html
deleted file mode 100644
index 037e33828e5ebb3a79a85b8429d62a646d1a1355..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/scorm/_chelp/ced-scorm-settings.html
+++ /dev/null
@@ -1,12 +0,0 @@
- <br/>
- <b>$r.translate("showmenu.label"):</b> $r.translate("chelp.set1") <br/><br/>
- <b>$r.translate("skiplaunchpage.label"):</b> $r.translate("chelp.set9") <br/><br/>
- <b>$r.translate("shownavbuttons.label"):</b> $r.translate("chelp.set2") <br/><br/>
- <b>$r.translate("fullwindow.label"):</b> $r.translate("chelp.set10") <br/><br/>
- <b>$r.translate("closeonfinish.label"):</b> $r.translate("chelp.set11") <br/><br/>
- <b>$r.translate("assessable.label"):</b> $r.translate("chelp.set5") <br/><br/>
- <b>$r.translate("cutvalue.label"):</b> $r.translate("chelp.set6") <br/><br/>
- <b>$r.translate("advance.score.label"):</b> $r.translate("chelp.set12") <br/><br/>
- <b>$r.translate("attempts.label"):</b> $r.translate("chelp.set13")
-
-
diff --git a/src/main/java/org/olat/course/nodes/scorm/_chelp/ced-scorm.html b/src/main/java/org/olat/course/nodes/scorm/_chelp/ced-scorm.html
deleted file mode 100644
index 5e28774e9f0d37e333f828996ff5a64611fcfd29..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/scorm/_chelp/ced-scorm.html
+++ /dev/null
@@ -1,3 +0,0 @@
- <br/>
- $r.translate("chelp.sco1") $r.translate("chelp.sco2") <br/><br/>
- $r.translate("chelp.sco3") $r.translate("chelp.sco4")
diff --git a/src/main/java/org/olat/course/nodes/tu/_chelp/ced-tu-conf.html b/src/main/java/org/olat/course/nodes/tu/_chelp/ced-tu-conf.html
deleted file mode 100644
index 7cc445f89b24ac9ef4bc8f209334efcca6f57e88..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/nodes/tu/_chelp/ced-tu-conf.html
+++ /dev/null
@@ -1,19 +0,0 @@
-<br/>
- <b>$r.translate("TUConfigForm.url"):</b> $r.translate("chelp.tu2") <br/><br/>
- <b>$r.translate("description.label"):</b> $r.translate("chelp.config1") <br/>
- <ul>
- <li><i>$r.translate("option.tunnel.inline.label"):</i> $r.translate("chelp.config2") $r.translate("chelp.config10")</li>
- <li><i>$r.translate("option.tunnel.iframe.label"):</i> $r.translate("chelp.config3") $r.translate("chelp.config4") $r.translate("chelp.config10")</li>
-
- <li><i>$r.translate("option.olat.iframe.label"):</i> $r.translate("chelp.config6") $r.translate("chelp.config7") </li>
- <li><i>$r.translate("option.extern.page.label"):</i> $r.translate("chelp.config8")</li>
- </ul>
- $r.translate("chelp.config5") <br/><br/>
-
- ## this part is also in ced-sp-iframe.html
- $r.translate("chelp.config9") <br/>
- $r.translate("chelp.tu15") <br/>
- $r.translate("chelp.tu16") <br/> <br/>
-
- <b>$r.translate("TUConfigForm.user"):</b> $r.translate("chelp.tu5") <br/><br/>
- <b>$r.translate("TUConfigForm.pass"):</b> $r.translate("chelp.tu6") <br/><br/>
diff --git a/src/main/java/org/olat/course/statistic/homeorg/_chelp/statistic_homeorg.html b/src/main/java/org/olat/course/statistic/homeorg/_chelp/statistic_homeorg.html
deleted file mode 100644
index 05b90dc0ce8dc2ff1298a94c01adaf2cd0df4ffa..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/course/statistic/homeorg/_chelp/statistic_homeorg.html
+++ /dev/null
@@ -1,2 +0,0 @@
-<br/>$r.translate("chelp.statistic_homeorg.text")<br/><br/>
-$r.translateWithPackage("org.olat.course.statistic", "chelp.statistic.alldates")
diff --git a/src/main/java/org/olat/instantMessaging/ui/_chelp/_static/chat_de.png b/src/main/java/org/olat/instantMessaging/ui/_chelp/_static/chat_de.png
deleted file mode 100644
index 851cf2640cdb2c39e8de7bc05eb8bc58014ba035..0000000000000000000000000000000000000000
Binary files a/src/main/java/org/olat/instantMessaging/ui/_chelp/_static/chat_de.png and /dev/null differ
diff --git a/src/main/java/org/olat/instantMessaging/ui/_chelp/_static/chat_en.png b/src/main/java/org/olat/instantMessaging/ui/_chelp/_static/chat_en.png
deleted file mode 100644
index ff69d6bc01e36019007800d7e9f3de0545c494f6..0000000000000000000000000000000000000000
Binary files a/src/main/java/org/olat/instantMessaging/ui/_chelp/_static/chat_en.png and /dev/null differ
diff --git a/src/main/java/org/olat/instantMessaging/ui/_chelp/instant-messenger.html b/src/main/java/org/olat/instantMessaging/ui/_chelp/instant-messenger.html
deleted file mode 100644
index a9104b992bd39bd1bb4ba3594708710c78ea41d0..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/instantMessaging/ui/_chelp/instant-messenger.html
+++ /dev/null
@@ -1,94 +0,0 @@
-<ul>
- <li><a href="#status">$r.translate("im.status.change")</a></li>
- <li><a href="#senden">$r.translate("chelp.send")</a></li>
- <li><a href="#emoticons">$r.translate("chelp.emoticons")</a></li>
- <li><a href="#search">$r.translate("chelp.search")</a></li>
- <li><a href="#empfangen">$r.translate("chelp.rece")</a></li>
- <li><a href="#add">$r.translate("chelp.add")</a></li>
- <li><a href="#groupchat">$r.translate("chelp.group")</a></li>
-</ul>
-
-</p>
-<p>
- <b>$r.translate("chelp.over"):</b>
- $r.translate("chelp.over1")
- $r.translate("chelp.over2")
- $r.translate("chelp.over3")
- $r.translate("chelp.over7")
- $r.translate("chelp.over8")
-</p>
-<div style="text-align: center;">
- <img src="$chelpStaticDirUrl/chat.png" alt="$r.translateInAttribute("chelp.imgAlt1")" />
-</div>
-<p>
- <a name="status"></a>
- <b>$r.translate("im.status.change"):</b>
- $r.translate("chelp.chan1")
-</p>
- <div><i class="o_icon o_icon-fw o_icon_status_available"> </i> $r.translate("presence.available"): $r.translate("chelp.status.available")</div>
- <div><i class="o_icon o_icon-fw o_icon_status_dnd"> </i> $r.translate("presence.dnd"): $r.translate("chelp.status.dnd")</div>
- <div><i class="o_icon o_icon-fw o_icon_status_unavailable"> </i> $r.translate("presence.unavailable"): $r.translate("chelp.status.unavailable")</div>
- <br />
-<p>
- <a name="senden"></a>
- <b>$r.translate("chelp.send"):</b>
- $r.translate("chelp.send1")
- $r.translate("chelp.send2")
-</p>
-<p>
- <a name="emoticons"></a>
- <b>$r.translate("chelp.emoticons"):</b>
- $r.translate("chelp.emoticons1")
-</p>
-<ul>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_confused' /> %-) %)</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_cool' /> 8-) 8)</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_angry' /> :-|| :|| :-@ :@</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_grin' /> ;-) ;)</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_kiss' /> :^* :* </li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_ohoh' /> :-O :O</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_smile' /> :-) :)</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_angel' /> O:-) O:) O:-3 O:3</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_sad' /> :-( :(</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_tongue' /> :-P :P</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_up' /> +</li>
- <li><img src='$r.staticLink("images/transparent.gif")' class='o_emoticons_down' /> -</li>
-</ul>
-<p>
- <a name="search"></a>
- <b>$r.translate("chelp.search"):</b>
- $r.translate("chelp.search1")
- $r.translate("chelp.search2")
- $r.translate("chelp.search3")
-</p>
-<p>
- <a name="empfangen"></a>
- <b>$r.translate("chelp.rece"):</b>
- $r.translate("chelp.rece1")
-</p>
- <div><i class="o_icon o_icon-fw o_icon_status_available"> </i> $r.translate("presence.available"): $r.translate("chelp.rece4") $r.translate("chelp.rece5")</div>
- <div><i class="o_icon o_icon-fw o_icon_status_dnd"> </i> $r.translate("presence.dnd"): $r.translate("chelp.rece2") $r.translate("chelp.rece3") $r.translate("chelp.rece4")</div>
- <div><i class="o_icon o_icon-fw o_icon_status_unavailable"> </i> $r.translate("presence.unavailable"): $r.translate("chelp.rece2") $r.translate("chelp.rece3") $r.translate("chelp.rece4")</div>
- <br />
-<p>
- <a name="add"></a>
- <b>$r.translate("chelp.add"):</b>
- $r.translate("chelp.add1")
- $r.translate("chelp.add2")
- $r.translate("chelp.add3")
-</p>
-<p>
- $r.translate("chelp.add4") $r.contextHelpRelativeLink("Group Administration#_gruppensystem_members")
-</p>
-<p>
- <a name="groupchat"></a>
- <b>$r.translate("chelp.group"):</b>
- $r.translate("chelp.group1")
- $r.translate("chelp.group2")
- $r.translate("chelp.group3")
- $r.translate("chelp.group4")
- $r.translate("chelp.group5")
- $r.translate("chelp.group6")
-</p>
-
-
diff --git a/src/main/java/org/olat/modules/openmeetings/ui/_chelp/module.html b/src/main/java/org/olat/modules/openmeetings/ui/_chelp/module.html
deleted file mode 100644
index bc915c0363d7d27c60d9f76e6d4bfbba819ac589..0000000000000000000000000000000000000000
--- a/src/main/java/org/olat/modules/openmeetings/ui/_chelp/module.html
+++ /dev/null
@@ -1,8 +0,0 @@
-<p>$r.translate("chelp.openmeetings.intro")</p>
-<p>$r.translate("chelp.openmeetings.url") <a href="http://incubator.apache.org/openmeetings" target="_blank"><i class="o_icon o_icon_link_extern"> </i> http://incubator.apache.org/openmeetings</a></p>
-<p>$r.translate("chelp.openmeetings.module")</p>
-<ul>
- <li>$r.translate("chelp.openmeetings.course")</li>
- <li>$r.translate("chelp.openmeetings.group")</li>
-</ul>
-<p>$r.translate("chelp.openmeetings.config")</p>