diff --git a/plugins/kolab_activesync/skins/classic/alarm-clock.png b/plugins/kolab_activesync/skins/classic/alarm-clock.png
deleted file mode 100755
index 518bdc11..00000000
Binary files a/plugins/kolab_activesync/skins/classic/alarm-clock.png and /dev/null differ
diff --git a/plugins/kolab_activesync/skins/classic/config.css b/plugins/kolab_activesync/skins/classic/config.css
deleted file mode 100644
index cc4b0dbe..00000000
--- a/plugins/kolab_activesync/skins/classic/config.css
+++ /dev/null
@@ -1,124 +0,0 @@
-/* Stylesheets for the Kolab ActiveSync configuration UI */
-
-#devices-table {
- width: 100%;
- table-layout: fixed;
- cursor: default;
-}
-
-#devices-table td span.devicetype {
- padding-left: 1em;
- font-style: italic;
- color: #666;
-}
-
-#devices-table tr.selected td span.devicetype {
- color: #ccc;
-}
-
-.boxfooter a.button.delete,
-.boxfooter a.buttonPas.delete {
- background-image: url(deviceactions.png);
-}
-
-div.subscriptionblock {
- float: left;
- margin: 0.5em 3em 2em 0;
- padding: 0;
- border: 1px solid #ddd;
-}
-
-div.subscriptionblock h3 {
- font-size: 12px;
- color: #333;
- margin: 0 0 0.4em 0;
- padding: 4px 4px 0 30px;
- background: url(foldertypes.png) 5px 4px no-repeat #eee;
-}
-
-div.subscriptionblock h3.contact {
- background-position: 5px -16px;
-}
-
-div.subscriptionblock h3.event {
- background-position: 5px -36px;
-}
-
-div.subscriptionblock h3.task {
- background-position: 5px -56px;
-}
-
-div.subscriptionblock h3.note {
- background-position: 5px -76px;
-}
-
-#foldersubscriptions thead th {
- color: #999;
- font-weight: bold;
- padding: 2px;
- text-align: center;
-}
-
-#foldersubscriptions thead tr th {
- border-top: 1px solid #ddd;
-}
-
-#foldersubscriptions thead th {
- cursor: pointer;
-}
-
-#foldersubscriptions thead th.foldername {
- text-align: left;
-}
-
-#foldersubscriptions tbody td {
- padding: 1px 2px;
- border-top: 1px solid #ddd;
- background-color: white;
-}
-
-#foldersubscriptions td label {
- display: block;
-}
-
-#foldersubscriptions td.mailbox {
- min-width: 12em;
- padding-right: 10px;
-}
-
-#foldersubscriptions td.virtual {
- color: #999;
-}
-
-#foldersubscriptions {
- overflow: auto;
- margin-top: 0.5em;
-}
-
-#introtext {
- position: absolute;
- top: 12px;
- left: 5px;
- padding-left: 10px;
- max-width: 40em;
-}
-
-#introtext .pointer-left {
- position: absolute;
- top: 0;
- left: 0;
- width: 14px;
- height: 100%;
- background: url(pointer-left.gif) right center no-repeat;
-}
-
-#introtext .inner {
- border: 3px solid #e7e7e7;
- background: #fff;
-}
-
-#introtext .bordered {
- padding: 12px;
- border: 1px solid #ccc;
- background: #fff;
-}
diff --git a/plugins/kolab_activesync/skins/classic/deviceactions.png b/plugins/kolab_activesync/skins/classic/deviceactions.png
deleted file mode 100644
index a542df91..00000000
Binary files a/plugins/kolab_activesync/skins/classic/deviceactions.png and /dev/null differ
diff --git a/plugins/kolab_activesync/skins/classic/foldertypes.png b/plugins/kolab_activesync/skins/classic/foldertypes.png
deleted file mode 100644
index 4950296a..00000000
Binary files a/plugins/kolab_activesync/skins/classic/foldertypes.png and /dev/null differ
diff --git a/plugins/kolab_activesync/skins/classic/pointer-left.gif b/plugins/kolab_activesync/skins/classic/pointer-left.gif
deleted file mode 100644
index b2de5850..00000000
Binary files a/plugins/kolab_activesync/skins/classic/pointer-left.gif and /dev/null differ
diff --git a/plugins/kolab_activesync/skins/classic/synchronize.png b/plugins/kolab_activesync/skins/classic/synchronize.png
deleted file mode 100755
index ba5ebd1f..00000000
Binary files a/plugins/kolab_activesync/skins/classic/synchronize.png and /dev/null differ
diff --git a/plugins/kolab_activesync/skins/classic/templates/config.html b/plugins/kolab_activesync/skins/classic/templates/config.html
deleted file mode 100644
index 5d2bd5e2..00000000
--- a/plugins/kolab_activesync/skins/classic/templates/config.html
+++ /dev/null
@@ -1,39 +0,0 @@
-
-
-
-<roundcube:object name="pagetitle" />
-
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/plugins/kolab_activesync/skins/classic/templates/configedit.html b/plugins/kolab_activesync/skins/classic/templates/configedit.html
deleted file mode 100644
index 8115ef6f..00000000
--- a/plugins/kolab_activesync/skins/classic/templates/configedit.html
+++ /dev/null
@@ -1,30 +0,0 @@
-
-
-
-<roundcube:object name="pagetitle" />
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/plugins/kolab_activesync/skins/classic/templates/configempty.html b/plugins/kolab_activesync/skins/classic/templates/configempty.html
deleted file mode 100644
index e36fc174..00000000
--- a/plugins/kolab_activesync/skins/classic/templates/configempty.html
+++ /dev/null
@@ -1,19 +0,0 @@
-
-
-
-<roundcube:object name="pagetitle" />
-
-
-
-
-
-
-
-
diff --git a/plugins/kolab_addressbook/skins/classic/kolab_addressbook.css b/plugins/kolab_addressbook/skins/classic/kolab_addressbook.css
deleted file mode 100644
index 30b95939..00000000
--- a/plugins/kolab_addressbook/skins/classic/kolab_addressbook.css
+++ /dev/null
@@ -1,49 +0,0 @@
-#directorylistbox ul.treelist li.virtual {
- background-image: none !important;
-}
-
-#directorylistbox ul.treelist li.virtual > div a {
- color: #aaa;
- background-image: none;
-}
-
-#directorylistbox ul.treelist li.virtual > .treetoggle {
- top: -2px !important;
-}
-
-/*
-#directorylist li.addressbook.readonly
-{
- background-image: url(kolab_folders.png);
- background-position: 5px 0px;
- background-repeat: no-repeat;
-}
-
-#directorylist li.addressbook.shared
-{
- background-image: url(kolab_folders.png);
- background-position: 5px -54px;
- background-repeat: no-repeat;
-}
-
-#directorylist li.addressbook.shared.readonly
-{
- background-image: url(kolab_folders.png);
- background-position: 5px -72px;
- background-repeat: no-repeat;
-}
-
-#directorylist li.addressbook.other
-{
- background-image: url(kolab_folders.png);
- background-position: 5px -18px;
- background-repeat: no-repeat;
-}
-
-#directorylist li.addressbook.other.readonly
-{
- background-image: url(kolab_folders.png);
- background-position: 5px -36px;
- background-repeat: no-repeat;
-}
-*/
\ No newline at end of file
diff --git a/plugins/kolab_addressbook/skins/classic/kolab_folders.gif b/plugins/kolab_addressbook/skins/classic/kolab_folders.gif
deleted file mode 100644
index 3ac6fc48..00000000
Binary files a/plugins/kolab_addressbook/skins/classic/kolab_folders.gif and /dev/null differ
diff --git a/plugins/kolab_addressbook/skins/classic/kolab_folders.png b/plugins/kolab_addressbook/skins/classic/kolab_folders.png
deleted file mode 100644
index 95a192e5..00000000
Binary files a/plugins/kolab_addressbook/skins/classic/kolab_folders.png and /dev/null differ
diff --git a/plugins/kolab_addressbook/skins/classic/templates/audittrail.html b/plugins/kolab_addressbook/skins/classic/templates/audittrail.html
deleted file mode 100644
index e69de29b..00000000
diff --git a/plugins/kolab_addressbook/skins/classic/templates/bookedit.html b/plugins/kolab_addressbook/skins/classic/templates/bookedit.html
deleted file mode 100644
index 717ed8c4..00000000
--- a/plugins/kolab_addressbook/skins/classic/templates/bookedit.html
+++ /dev/null
@@ -1,27 +0,0 @@
-
-
-
-<roundcube:object name="pagetitle" />
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/plugins/kolab_addressbook/skins/classic/templates/search_addon.html b/plugins/kolab_addressbook/skins/classic/templates/search_addon.html
deleted file mode 100644
index fa9dc7db..00000000
--- a/plugins/kolab_addressbook/skins/classic/templates/search_addon.html
+++ /dev/null
@@ -1,43 +0,0 @@
-
diff --git a/plugins/kolab_delegation/skins/classic/deviceactions.png b/plugins/kolab_delegation/skins/classic/deviceactions.png
deleted file mode 100644
index a542df91..00000000
Binary files a/plugins/kolab_delegation/skins/classic/deviceactions.png and /dev/null differ
diff --git a/plugins/kolab_delegation/skins/classic/foldertypes.png b/plugins/kolab_delegation/skins/classic/foldertypes.png
deleted file mode 100644
index 4950296a..00000000
Binary files a/plugins/kolab_delegation/skins/classic/foldertypes.png and /dev/null differ
diff --git a/plugins/kolab_delegation/skins/classic/read.png b/plugins/kolab_delegation/skins/classic/read.png
deleted file mode 100644
index cbc3b35e..00000000
Binary files a/plugins/kolab_delegation/skins/classic/read.png and /dev/null differ
diff --git a/plugins/kolab_delegation/skins/classic/style.css b/plugins/kolab_delegation/skins/classic/style.css
deleted file mode 100644
index eff69a7f..00000000
--- a/plugins/kolab_delegation/skins/classic/style.css
+++ /dev/null
@@ -1,95 +0,0 @@
-/* Stylesheets for the Kolab ActiveSync configuration UI */
-
-#delegates-table {
- width: 100%;
- table-layout: fixed;
- cursor: default;
-}
-
-.boxfooter a.button.delete,
-.boxfooter a.buttonPas.delete {
- background-image: url(deviceactions.png);
-}
-
-div.foldersblock {
- float: left;
- margin: 0.5em 3em 2em 0;
- padding: 0;
- border: 1px solid #ddd;
-}
-
-div.foldersblock h3 {
- font-size: 12px;
- color: #333;
- margin: 0 0 0.4em 0;
- padding: 4px 4px 0 30px;
- background: url(foldertypes.png) 5px 4px no-repeat #eee;
-}
-
-div.foldersblock h3.contact {
- background-position: 5px -16px;
-}
-
-div.foldersblock h3.event {
- background-position: 5px -36px;
-}
-
-div.foldersblock h3.task {
- background-position: 5px -56px;
-}
-
-div.foldersblock h3.note {
- background-position: 5px -76px;
-}
-
-#delegatefolders thead th {
- color: #999;
- font-weight: bold;
- padding: 2px;
- text-align: center;
-}
-
-#delegatefolders thead tr th {
- border-top: 1px solid #ddd;
-}
-
-#delegatefolders thead th.read,
-#delegatefolders thead th.write {
- cursor: pointer;
-}
-
-#delegatefolders thead th.foldername {
- text-align: left;
-}
-
-#delegatefolders tbody td {
- padding: 1px 2px;
- border-top: 1px solid #ddd;
- background-color: white;
-}
-
-#delegatefolders td label {
- display: block;
-}
-
-#delegatefolders td.mailbox {
- min-width: 12em;
- padding-right: 10px;
-}
-
-#delegatefolders td.virtual {
- color: #999;
-}
-
-#delegatefolders {
- overflow: auto;
- margin-top: 0.5em;
-}
-
-#delegate-delete-dialog {
- display: none;
-}
-
-#delegate-delete-dialog p {
- font-weight: bold;
-}
diff --git a/plugins/kolab_delegation/skins/classic/templates/editform.html b/plugins/kolab_delegation/skins/classic/templates/editform.html
deleted file mode 100644
index ff837310..00000000
--- a/plugins/kolab_delegation/skins/classic/templates/editform.html
+++ /dev/null
@@ -1,24 +0,0 @@
-
-
-
-<roundcube:object name="pagetitle" />
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/plugins/kolab_delegation/skins/classic/templates/settings.html b/plugins/kolab_delegation/skins/classic/templates/settings.html
deleted file mode 100644
index af75c322..00000000
--- a/plugins/kolab_delegation/skins/classic/templates/settings.html
+++ /dev/null
@@ -1,44 +0,0 @@
-
-
-
-<roundcube:object name="pagetitle" />
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/plugins/kolab_delegation/skins/classic/write.png b/plugins/kolab_delegation/skins/classic/write.png
deleted file mode 100644
index ad71fa95..00000000
Binary files a/plugins/kolab_delegation/skins/classic/write.png and /dev/null differ