diff --git a/developer_manual/app/css.rst b/developer_manual/app/css.rst
index 87b6ea01a..e2226995f 100644
--- a/developer_manual/app/css.rst
+++ b/developer_manual/app/css.rst
@@ -60,176 +60,176 @@ To use icons which are shipped in core, special class to apply the background im
     .. image:: ../img/7/noise.png
 
 * **icon-add**:
-    .. image:: ../img/7/actions/add.svg
+    .. image:: ../img/7/actions/add.png
 
 * **icon-caret**:
-    .. image:: ../img/7/actions/caret.svg
+    .. image:: ../img/7/actions/caret.png
 
 * **icon-caret-dark**:
-    .. image:: ../img/7/actions/caret-dark.svg
+    .. image:: ../img/7/actions/caret-dark.png
 
 * **icon-checkmark**:
-    .. image:: ../img/7/actions/checkmark.svg
+    .. image:: ../img/7/actions/checkmark.png
 
 * **icon-checkmark-white**:
-    .. image:: ../img/7/actions/checkmark-white.svg
+    .. image:: ../img/7/actions/checkmark-white.png
 
 * **icon-clock**:
-    .. image:: ../img/7/actions/clock.svg
+    .. image:: ../img/7/actions/clock.png
 
 * **icon-close**:
-    .. image:: ../img/7/actions/close.svg
+    .. image:: ../img/7/actions/close.png
 
 * **icon-confirm**:
-    .. image:: ../img/7/actions/confirm.svg
+    .. image:: ../img/7/actions/confirm.png
 
 * **icon-delete**:
-    .. image:: ../img/7/actions/delete.svg
+    .. image:: ../img/7/actions/delete.png
 
 * **icon-download**:
-    .. image:: ../img/7/actions/download.svg
+    .. image:: ../img/7/actions/download.png
 
 * **icon-history**:
-    .. image:: ../img/7/actions/history.svg
+    .. image:: ../img/7/actions/history.png
 
 * **icon-info**:
-    .. image:: ../img/7/actions/info.svg
+    .. image:: ../img/7/actions/info.png
 
 * **icon-lock**:
-    .. image:: ../img/7/actions/lock.svg
+    .. image:: ../img/7/actions/lock.png
 
 * **icon-logout**:
-    .. image:: ../img/7/actions/logout.svg
+    .. image:: ../img/7/actions/logout.png
 
 * **icon-mail**:
-    .. image:: ../img/7/actions/mail.svg
+    .. image:: ../img/7/actions/mail.png
 
 * **icon-more**:
-    .. image:: ../img/7/actions/more.svg
+    .. image:: ../img/7/actions/more.png
 
 * **icon-password**:
-    .. image:: ../img/7/actions/password.svg
+    .. image:: ../img/7/actions/password.png
 
 * **icon-pause**:
-    .. image:: ../img/7/actions/pause.svg
+    .. image:: ../img/7/actions/pause.png
 
 * **icon-pause-big**:
-    .. image:: ../img/7/actions/pause-big.svg
+    .. image:: ../img/7/actions/pause-big.png
 
 * **icon-play**:
-    .. image:: ../img/7/actions/play.svg
+    .. image:: ../img/7/actions/play.png
 
 * **icon-play-add**:
-    .. image:: ../img/7/actions/play-add.svg
+    .. image:: ../img/7/actions/play-add.png
 
 * **icon-play-big**:
-    .. image:: ../img/7/actions/play-big.svg
+    .. image:: ../img/7/actions/play-big.png
 
 * **icon-play-next**:
-    .. image:: ../img/7/actions/play-next.svg
+    .. image:: ../img/7/actions/play-next.png
 
 * **icon-play-previous**:
-    .. image:: ../img/7/actions/play-previous.svg
+    .. image:: ../img/7/actions/play-previous.png
 
 * **icon-public**:
-    .. image:: ../img/7/actions/public.svg
+    .. image:: ../img/7/actions/public.png
 
 * **icon-rename**:
-    .. image:: ../img/7/actions/rename.svg
+    .. image:: ../img/7/actions/rename.png
 
 * **icon-search**:
-    .. image:: ../img/7/actions/search.svg
+    .. image:: ../img/7/actions/search.png
 
 * **icon-settings**:
-    .. image:: ../img/7/actions/settings.svg
+    .. image:: ../img/7/actions/settings.png
 
 
 * **icon-share**:
-    .. image:: ../img/7/actions/share.svg
+    .. image:: ../img/7/actions/share.png
 
 * **icon-shared**:
-    .. image:: ../img/7/actions/shared.svg
+    .. image:: ../img/7/actions/shared.png
 
 * **icon-sound**:
-    .. image:: ../img/7/actions/sound.svg
+    .. image:: ../img/7/actions/sound.png
 
 * **icon-sound-off**:
-    .. image:: ../img/7/actions/sound-off.svg
+    .. image:: ../img/7/actions/sound-off.png
 
 * **icon-star**:
-    .. image:: ../img/7/actions/star.svg
+    .. image:: ../img/7/actions/star.png
 
 * **icon-starred**:
-    .. image:: ../img/7/actions/starred.svg
+    .. image:: ../img/7/actions/starred.png
 
 * **icon-toggle**:
-    .. image:: ../img/7/actions/toggle.svg
+    .. image:: ../img/7/actions/toggle.png
 
 
 * **icon-triangle-e**:
-    .. image:: ../img/7/actions/triangle-e.svg
+    .. image:: ../img/7/actions/triangle-e.png
 
 * **icon-triangle-n**:
-    .. image:: ../img/7/actions/triangle-n.svg
+    .. image:: ../img/7/actions/triangle-n.png
 
 * **icon-triangle-s**:
-    .. image:: ../img/7/actions/triangle-s.svg
+    .. image:: ../img/7/actions/triangle-s.png
 
 
 * **icon-upload**:
-    .. image:: ../img/7/actions/upload.svg
+    .. image:: ../img/7/actions/upload.png
 
 * **icon-upload-white**:
-    .. image:: ../img/7/actions/upload-white.svg
+    .. image:: ../img/7/actions/upload-white.png
 
 
 * **icon-user**:
-    .. image:: ../img/7/actions/user.svg
+    .. image:: ../img/7/actions/user.png
 
 * **icon-view-close**:
-    .. image:: ../img/7/actions/view-close.svg
+    .. image:: ../img/7/actions/view-close.png
 
 * **icon-view-next**:
-    .. image:: ../img/7/actions/view-next.svg
+    .. image:: ../img/7/actions/view-next.png
 
 * **icon-view-pause**:
-    .. image:: ../img/7/actions/view-pause.svg
+    .. image:: ../img/7/actions/view-pause.png
 
 * **icon-view-play**:
-    .. image:: ../img/7/actions/view-play.svg
+    .. image:: ../img/7/actions/view-play.png
 
 * **icon-view-previous**:
-    .. image:: ../img/7/actions/view-previous.svg
+    .. image:: ../img/7/actions/view-previous.png
 
 * **icon-calendar-dark**:
-    .. image:: ../img/7/places/calendar-dark.svg
+    .. image:: ../img/7/places/calendar-dark.png
 
 * **icon-contacts-dark**:
-    .. image:: ../img/7/places/contacts-dark.svg
+    .. image:: ../img/7/places/contacts-dark.png
 
 * **icon-file**:
-    .. image:: ../img/7/places/file.svg
+    .. image:: ../img/7/places/file.png
 
 * **icon-files**:
-    .. image:: ../img/7/places/files.svg
+    .. image:: ../img/7/places/files.png
 
 * **icon-folder**:
-    .. image:: ../img/7/places/folder.svg
+    .. image:: ../img/7/places/folder.png
 
 * **icon-filetype-text**:
-    .. image:: ../img/7/filetypes/text.svg
+    .. image:: ../img/7/filetypes/text.png
 
 * **icon-filetype-folder**:
-    .. image:: ../img/7/filetypes/folder.svg
+    .. image:: ../img/7/filetypes/folder.png
 
 * **icon-home**:
-    .. image:: ../img/7/places/home.svg
+    .. image:: ../img/7/places/home.png
 
 * **icon-link**:
-    .. image:: ../img/7/places/link.svg
+    .. image:: ../img/7/places/link.png
 
 * **icon-music**:
-    .. image:: ../img/7/places/music.svg
+    .. image:: ../img/7/places/music.png
 
 * **icon-picture**:
-    .. image:: ../img/7/places/picture.svg
+    .. image:: ../img/7/places/picture.png
diff --git a/developer_manual/img/7/actions/add.svg b/developer_manual/img/7/actions/add.svg
deleted file mode 100644
index ecbab6f13..000000000
--- a/developer_manual/img/7/actions/add.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <g transform="matrix(-0.70711,-0.70711,0.70711,-0.70711,-724.84998,753.15998)">
-  <path d="m3.7547,1041.6,1.4142-1.4142,3.5355,3.5355,3.5355-3.5355,1.4142,1.4142-3.5355,3.5355,3.5355,3.5356-1.4142,1.4142-3.5355-3.5356-3.5164,3.5547-1.4333-1.4333,3.5355-3.5356z"/>
- </g>
-</svg>
diff --git a/developer_manual/img/7/actions/caret-dark.svg b/developer_manual/img/7/actions/caret-dark.svg
deleted file mode 100644
index 2d75e4dd8..000000000
--- a/developer_manual/img/7/actions/caret-dark.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.0" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <path style="block-progression:tb;color:#000000;text-transform:none;text-indent:0" fill="#FFF" d="m4 5 4 7 4-6.989z" fill-opacity=".19608"/>
- <path style="block-progression:tb;color:#000000;text-transform:none;text-indent:0" d="m4 4 4 7 4-6.989z"/>
-</svg>
diff --git a/developer_manual/img/7/actions/caret.svg b/developer_manual/img/7/actions/caret.svg
deleted file mode 100644
index 8cd758daf..000000000
--- a/developer_manual/img/7/actions/caret.svg
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="10" width="10" version="1.0" xmlns:cc="http://creativecommons.org/ns#" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <defs>
-  <linearGradient id="a" x1="8.4965" gradientUnits="userSpaceOnUse" y1="-.061574" gradientTransform="matrix(1.0526 0 0 .98436 -3.4211 1.0602)" x2="8.4965" y2="8.0832">
-   <stop stop-color="#fff" offset="0"/>
-   <stop stop-color="#e6e6e6" offset="1"/>
-  </linearGradient>
- </defs>
- <path opacity=".5" style="block-progression:tb;color:#000000;text-transform:none;text-indent:0" d="m1 2 4 8 4-7.989z"/>
- <path style="block-progression:tb;color:#000000;text-transform:none;text-indent:0" d="m1 1 4 8 4-7.989z" fill="url(#a)"/>
-</svg>
diff --git a/developer_manual/img/7/actions/checkmark-white.svg b/developer_manual/img/7/actions/checkmark-white.svg
deleted file mode 100644
index e6b63a4d5..000000000
--- a/developer_manual/img/7/actions/checkmark-white.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xml:space="preserve" overflow="visible" height="16px" width="16px" version="1.1" y="0px" x="0px" xmlns:cc="http://creativecommons.org/ns#" enable-background="new -0.5 -0.5 16 16" viewBox="-0.5 -0.5 16 16" xmlns:dc="http://purl.org/dc/elements/1.1/">
-<path transform="translate(-.5 -.5)" d="m12.438 3.6875c-0.363 0-0.726 0.1314-1 0.4063l-4.5005 4.5-1.9687-2c-0.5498-0.5484-1.4489-0.5498-2 0l-0.5 0.5c-0.5512 0.5496-0.5512 1.4502 0 2l2.9687 2.9682c0.0063 0.007-0.0065 0.025 0 0.032l0.5 0.5c0.5497 0.55 1.4503 0.55 2 0l0.5-0.5 0.1875-0.219 5.313-5.2812c0.549-0.5498 0.549-1.4503 0-2l-0.5-0.5c-0.275-0.2749-0.638-0.4063-1-0.4063z" fill="#fff"/>
-</svg>
diff --git a/developer_manual/img/7/actions/checkmark.svg b/developer_manual/img/7/actions/checkmark.svg
deleted file mode 100644
index dbb97d1b4..000000000
--- a/developer_manual/img/7/actions/checkmark.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xml:space="preserve" overflow="visible" height="16px" width="16px" version="1.1" y="0px" x="0px" xmlns:cc="http://creativecommons.org/ns#" enable-background="new -0.5 -0.5 16 16" viewBox="-0.5 -0.5 16 16" xmlns:dc="http://purl.org/dc/elements/1.1/">
-<path transform="translate(-.5 -.5)" d="m12.438 3.6875c-0.363 0-0.726 0.1314-1 0.4063l-4.5005 4.5-1.9687-2c-0.5498-0.5484-1.4489-0.5498-2 0l-0.5 0.5c-0.5512 0.5496-0.5512 1.4502 0 2l2.9687 2.9682c0.0063 0.007-0.0065 0.025 0 0.032l0.5 0.5c0.5497 0.55 1.4503 0.55 2 0l0.5-0.5 0.1875-0.219 5.313-5.2812c0.549-0.5498 0.549-1.4503 0-2l-0.5-0.5c-0.275-0.2749-0.638-0.4063-1-0.4063z"/>
-</svg>
diff --git a/developer_manual/img/7/actions/clock.svg b/developer_manual/img/7/actions/clock.svg
deleted file mode 100644
index 6b938deea..000000000
--- a/developer_manual/img/7/actions/clock.svg
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" height="16px" width="16px" version="1.1" y="0px" x="0px" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 100 100">
-<path d="m50 89.836c-23.389 0-42.418-19.027-42.418-42.417s19.029-42.419 42.418-42.419 42.418 19.029 42.418 42.419-19.029 42.417-42.418 42.417zm0-79.924c-20.681 0-37.506 16.826-37.506 37.508 0 20.681 16.826 37.505 37.506 37.505s37.507-16.824 37.507-37.505c0-20.683-16.826-37.508-37.507-37.508z"/>
-<path d="m50.001 49.875c-0.141 0-0.283-0.011-0.427-0.037-1.173-0.206-2.03-1.226-2.03-2.419v-17.977c0-1.355 1.1-2.456 2.456-2.456 1.355 0 2.456 1.1 2.456 2.456v4.003l5.431-14.974c0.464-1.274 1.872-1.937 3.146-1.471 1.274 0.462 1.934 1.871 1.471 3.146l-10.195 28.11c-0.357 0.985-1.29 1.619-2.308 1.619z"/>
-<circle cy="12.956" cx="49.999" r="1.617"/>
-<path d="m50 14.778c-1.006 0-1.823-0.817-1.823-1.823 0-1.005 0.817-1.823 1.823-1.823 1.004 0 1.821 0.817 1.821 1.823s-0.817 1.823-1.821 1.823zm0-3.236c-0.779 0-1.414 0.635-1.414 1.413 0 0.779 0.635 1.414 1.414 1.414s1.412-0.635 1.412-1.414c0-0.778-0.633-1.413-1.412-1.413z"/>
-<circle cy="20.301" cx="34.343" r="1.47"/>
-<path d="m23.617 30.488c0.703 0.409 0.945 1.305 0.537 2.008-0.405 0.704-1.305 0.947-2.007 0.538-0.703-0.403-0.945-1.305-0.539-2.008 0.408-0.701 1.305-0.941 2.009-0.538z"/>
-<circle cy="47.42" cx="15.536" r="1.618"/>
-<path d="m15.536 49.242c-1.006 0-1.823-0.817-1.823-1.823 0.001-1 0.819-1.819 1.823-1.822 1.006 0 1.823 0.817 1.823 1.822 0 1.006-0.817 1.823-1.823 1.823zm0-3.236c-0.777 0.003-1.412 0.636-1.414 1.413 0 0.779 0.635 1.414 1.414 1.414s1.413-0.635 1.413-1.414c0-0.778-0.634-1.413-1.413-1.413z"/>
-<path d="m22.147 61.803c0.705-0.406 1.602-0.167 2.007 0.537 0.408 0.703 0.166 1.602-0.537 2.008-0.704 0.406-1.604 0.163-2.008-0.537-0.407-0.707-0.162-1.602 0.538-2.008z"/>
-<path d="m33.07 73.803c0.408-0.706 1.305-0.946 2.008-0.537 0.704 0.403 0.945 1.302 0.538 2.005-0.405 0.704-1.307 0.947-2.007 0.537-0.705-0.406-0.942-1.301-0.539-2.005z"/>
-<path d="m48.382 81.884c0-0.896 0.725-1.618 1.618-1.618 0.892-0.003 1.618 0.723 1.618 1.618 0 0.892-0.728 1.618-1.618 1.618-0.896-0.004-1.615-0.727-1.618-1.618z"/>
-<path d="m50 83.706c-1.002-0.003-1.819-0.82-1.823-1.822 0-1.006 0.817-1.823 1.823-1.823 1.007 0 1.822 0.817 1.822 1.823 0 1.005-0.816 1.822-1.822 1.822zm0.006-3.236c-0.785 0-1.42 0.635-1.42 1.414 0.003 0.775 0.637 1.41 1.414 1.413 0.78 0 1.413-0.635 1.413-1.413 0-0.78-0.631-1.414-1.407-1.414z"/>
-<path d="m64.385 75.271c-0.408-0.703-0.167-1.602 0.537-2.005 0.702-0.409 1.601-0.169 2.008 0.537 0.406 0.7 0.163 1.603-0.539 2.005-0.705 0.406-1.6 0.163-2.006-0.537z"/>
-<path d="m76.384 64.348c-0.704-0.406-0.945-1.305-0.537-2.008 0.402-0.704 1.301-0.943 2.006-0.537 0.704 0.402 0.945 1.308 0.539 2.008-0.412 0.7-1.305 0.94-2.008 0.537z"/>
-<path d="m84.464 49.038c-0.896-0.003-1.618-0.726-1.618-1.618-0.001-0.892 0.723-1.618 1.618-1.618 0.893-0.003 1.618 0.726 1.618 1.618-0.005 0.895-0.726 1.614-1.618 1.618z"/>
-<path d="m84.464 49.242c-1.006-0.003-1.822-0.822-1.822-1.823-0.002-0.486 0.188-0.943 0.532-1.287 0.344-0.345 0.803-0.535 1.29-0.535 1.007 0 1.822 0.817 1.822 1.822-0.004 1.003-0.823 1.82-1.822 1.823zm0.007-3.236c-0.386 0-0.74 0.147-1.008 0.416-0.267 0.267-0.412 0.621-0.412 0.998 0 0.777 0.635 1.41 1.413 1.414 0.775-0.003 1.408-0.638 1.413-1.415 0-0.778-0.631-1.413-1.406-1.413z"/>
-<path d="m77.853 33.034c-0.705 0.409-1.604 0.166-2.006-0.538-0.408-0.7-0.168-1.599 0.537-2.008 0.701-0.406 1.604-0.163 2.008 0.537 0.403 0.707 0.161 1.602-0.539 2.009z"/>
-<path d="m66.93 21.036c-0.407 0.704-1.308 0.943-2.008 0.537-0.704-0.403-0.945-1.305-0.537-2.008 0.404-0.703 1.306-0.943 2.006-0.537 0.704 0.409 0.942 1.305 0.539 2.008z"/>
-</svg>
diff --git a/developer_manual/img/7/actions/close.svg b/developer_manual/img/7/actions/close.svg
deleted file mode 100644
index 4471dbc63..000000000
--- a/developer_manual/img/7/actions/close.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <path d="M12.95,11.536,11.536,12.95,8,9.4142,4.4645,12.95,3.0503,11.536,6.5858,8,3.0503,4.4644,4.4645,3.0502,8,6.5858,11.516,3.0311,12.95,4.4644,9.4143,8z" fill="#000"/>
-</svg>
diff --git a/developer_manual/img/7/actions/confirm.svg b/developer_manual/img/7/actions/confirm.svg
deleted file mode 100644
index 6b69c1d6c..000000000
--- a/developer_manual/img/7/actions/confirm.svg
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <g transform="translate(0 -1036.4)">
-  <path d="m1 1047.4v-6h7v-4l7 7-7 7v-4z"/>
- </g>
-</svg>
diff --git a/developer_manual/img/7/actions/delete-hover.svg b/developer_manual/img/7/actions/delete-hover.svg
deleted file mode 100644
index 9583ec15b..000000000
--- a/developer_manual/img/7/actions/delete-hover.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="16" width="16" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <path d="m6.5 1-0.5 1h-3c-0.554 0-1 0.446-1 1v1h12v-1c0-0.554-0.446-1-1-1h-3l-0.5-1zm-3.5 4 0.875 9c0.061 0.549 0.5729 1 1.125 1h6c0.55232 0 1.064-0.45102 1.125-1l0.875-9z" fill-rule="evenodd" fill="#d40000"/>
-</svg>
diff --git a/developer_manual/img/7/actions/delete.svg b/developer_manual/img/7/actions/delete.svg
deleted file mode 100644
index f0a3cd4db..000000000
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+++ /dev/null
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deleted file mode 100644
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diff --git a/developer_manual/img/7/actions/history.svg b/developer_manual/img/7/actions/history.svg
deleted file mode 100644
index 94512a2d4..000000000
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diff --git a/developer_manual/img/7/actions/info.svg b/developer_manual/img/7/actions/info.svg
deleted file mode 100644
index 7c93fd6a3..000000000
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diff --git a/developer_manual/img/7/actions/lock.svg b/developer_manual/img/7/actions/lock.svg
deleted file mode 100644
index 9ea5015c8..000000000
--- a/developer_manual/img/7/actions/lock.svg
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diff --git a/developer_manual/img/7/actions/logout.svg b/developer_manual/img/7/actions/logout.svg
deleted file mode 100644
index 895080dab..000000000
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diff --git a/developer_manual/img/7/actions/mail.svg b/developer_manual/img/7/actions/mail.svg
deleted file mode 100644
index c01f2c113..000000000
--- a/developer_manual/img/7/actions/mail.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/more.svg b/developer_manual/img/7/actions/more.svg
deleted file mode 100644
index 9ab5d4243..000000000
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diff --git a/developer_manual/img/7/actions/password.svg b/developer_manual/img/7/actions/password.svg
deleted file mode 100644
index 4b772ae2d..000000000
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diff --git a/developer_manual/img/7/actions/pause-big.svg b/developer_manual/img/7/actions/pause-big.svg
deleted file mode 100644
index 9c4944223..000000000
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diff --git a/developer_manual/img/7/actions/pause.svg b/developer_manual/img/7/actions/pause.svg
deleted file mode 100644
index d572ad6f5..000000000
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+++ /dev/null
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diff --git a/developer_manual/img/7/actions/play-add.svg b/developer_manual/img/7/actions/play-add.svg
deleted file mode 100644
index a0dec159d..000000000
--- a/developer_manual/img/7/actions/play-add.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/play-big.svg b/developer_manual/img/7/actions/play-big.svg
deleted file mode 100644
index 884171ced..000000000
--- a/developer_manual/img/7/actions/play-big.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/play-next.svg b/developer_manual/img/7/actions/play-next.svg
deleted file mode 100644
index 8b3d7d6ef..000000000
--- a/developer_manual/img/7/actions/play-next.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/play-previous.svg b/developer_manual/img/7/actions/play-previous.svg
deleted file mode 100644
index 6210b088c..000000000
--- a/developer_manual/img/7/actions/play-previous.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/play.svg b/developer_manual/img/7/actions/play.svg
deleted file mode 100644
index ae23e6a0d..000000000
--- a/developer_manual/img/7/actions/play.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/public.svg b/developer_manual/img/7/actions/public.svg
deleted file mode 100644
index c70a76277..000000000
--- a/developer_manual/img/7/actions/public.svg
+++ /dev/null
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deleted file mode 100644
index c2b3b60a2..000000000
--- a/developer_manual/img/7/actions/star.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/starred.svg b/developer_manual/img/7/actions/starred.svg
deleted file mode 100644
index 130bab366..000000000
--- a/developer_manual/img/7/actions/starred.svg
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diff --git a/developer_manual/img/7/actions/toggle-filelist.svg b/developer_manual/img/7/actions/toggle-filelist.svg
deleted file mode 100644
index 57f4c67fb..000000000
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diff --git a/developer_manual/img/7/actions/toggle-pictures.svg b/developer_manual/img/7/actions/toggle-pictures.svg
deleted file mode 100644
index f25695537..000000000
--- a/developer_manual/img/7/actions/toggle-pictures.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/toggle.svg b/developer_manual/img/7/actions/toggle.svg
deleted file mode 100644
index 774daa4fd..000000000
--- a/developer_manual/img/7/actions/toggle.svg
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diff --git a/developer_manual/img/7/actions/triangle-e.svg b/developer_manual/img/7/actions/triangle-e.svg
deleted file mode 100644
index c3d908b36..000000000
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diff --git a/developer_manual/img/7/actions/triangle-n.svg b/developer_manual/img/7/actions/triangle-n.svg
deleted file mode 100644
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diff --git a/developer_manual/img/7/actions/triangle-s.svg b/developer_manual/img/7/actions/triangle-s.svg
deleted file mode 100644
index 4f35c38f6..000000000
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diff --git a/developer_manual/img/7/actions/upload-white.svg b/developer_manual/img/7/actions/upload-white.svg
deleted file mode 100644
index 9c54cac5e..000000000
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+++ /dev/null
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diff --git a/developer_manual/img/7/actions/upload.svg b/developer_manual/img/7/actions/upload.svg
deleted file mode 100644
index 80231797c..000000000
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+++ /dev/null
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diff --git a/developer_manual/img/7/actions/user.svg b/developer_manual/img/7/actions/user.svg
deleted file mode 100644
index 65edc5ebe..000000000
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diff --git a/developer_manual/img/7/actions/view-close.svg b/developer_manual/img/7/actions/view-close.svg
deleted file mode 100644
index 89d1fab88..000000000
--- a/developer_manual/img/7/actions/view-close.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/view-next.svg b/developer_manual/img/7/actions/view-next.svg
deleted file mode 100644
index 07c95b73f..000000000
--- a/developer_manual/img/7/actions/view-next.svg
+++ /dev/null
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diff --git a/developer_manual/img/7/actions/view-pause.svg b/developer_manual/img/7/actions/view-pause.svg
deleted file mode 100644
index f5fdc0304..000000000
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+++ /dev/null
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diff --git a/developer_manual/img/7/actions/view-play.svg b/developer_manual/img/7/actions/view-play.svg
deleted file mode 100644
index d9fa35537..000000000
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+++ /dev/null
@@ -1,6 +0,0 @@
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diff --git a/developer_manual/img/7/actions/view-previous.svg b/developer_manual/img/7/actions/view-previous.svg
deleted file mode 100644
index 68a31c044..000000000
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diff --git a/developer_manual/img/7/breadcrumb.svg b/developer_manual/img/7/breadcrumb.svg
deleted file mode 100644
index 10d6e4150..000000000
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diff --git a/developer_manual/img/7/desktopapp.svg b/developer_manual/img/7/desktopapp.svg
deleted file mode 100644
index d63cfef08..000000000
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deleted file mode 100644
index 8d548ef03..000000000
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