diff --git a/themes/darkblue_orange/css/theme_left.css.php b/themes/darkblue_orange/css/theme_left.css.php
deleted file mode 100644
index f25e92c7d..000000000
--- a/themes/darkblue_orange/css/theme_left.css.php
+++ /dev/null
@@ -1,141 +0,0 @@
-<?php
-    // unplanned execution path
-    if (!defined('PMA_MINIMUM_COMMON')) {
-        exit();
-    }
-?>
-/******************************************************************************/
-/* general tags */
-<?php if (! empty($GLOBALS['cfg']['FontFamily'])) { ?>
-* {
-    font-family:        <?php echo $GLOBALS['cfg']['FontFamily']; ?>;
-}
-<?php } if (! empty($GLOBALS['cfg']['FontSize'])) { ?>
-body, table, tbody, tr, td {
-    font-size:          <?php echo $GLOBALS['cfg']['FontSize']; ?>;
-}
-select, input, textarea {
-    font-size:          0.7em;
-}
-<?php } ?>
-
-body, table, tbody, tr, td {
-    background-color:   <?php echo $GLOBALS['cfg']['LeftBgColor']; ?>;
-    color:              <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-    margin:             0;
-    padding:            2px 2px 2px 2px;
-}
-
-a img {
-    border: 0;
-}
-
-form {
-    margin:             0;
-    padding:            0;
-    display:            inline;
-}
-
-select {
-    background-color:   #ffffff;
-    color:              #000000;
-    width:              100%;
-}
-
-/* buttons in some browsers (eg. Konqueror) are block elements,
-   this breaks design */
-button {
-    display:            inline;
-}
-
-
-/******************************************************************************/
-/* classes */
-
-/* leave some space between icons and text */
-.icon {
-    vertical-align:     middle;
-    margin-right:       0.3em;
-    margin-left:        0.3em;
-}
-
-img.lightbulb {
-    cursor:             pointer;
-}
-
-
-/******************************************************************************/
-/* specific elements */
-
-div#pmalogo,
-div#leftframelinks,
-div#databaseList {
-    text-align:         center;
-    border-bottom:      0.05em solid <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-    margin-bottom:      0.5em;
-    padding-bottom:     0.5em;
-}
-
-div#leftframelinks .icon {
-    padding:            0;
-    margin:             0;
-}
-
-div#leftframelinks a {
-    margin:             0;
-    padding:            0.2em;
-    border:             0.05em solid <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-}
-
-div#leftframelinks a:hover {
-    background-color:   <?php echo $GLOBALS['cfg']['LeftPointerColor']; ?>;
-}
-
-/* leftdatabaselist */
-div#left_tableList ul {
-    list-style-type:    none;
-    list-style-position: outside;
-    margin:             0;
-    padding:            0;
-    font-size:          80%;
-    background-color:   <?php echo $GLOBALS['cfg']['LeftBgColor']; ?>;
-}
-
-div#left_tableList ul ul {
-    font-size:          100%;
-}
-
-div#left_tableList a {
-    color:              <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-    text-decoration:    none;
-}
-
-div#left_tableList a:hover {
-    color:              <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-    text-decoration:    underline;
-}
-
-div#left_tableList li {
-    margin:             0;
-    padding:            0;
-    white-space:        nowrap;
-}
-
-<?php if ( $GLOBALS['cfg']['LeftPointerEnable'] ) { ?>
-div#left_tableList li:hover {
-    background-color:   <?php echo $GLOBALS['cfg']['LeftPointerColor']; ?>;
-}
-<?php } ?>
-
-div#left_tableList img {
-    padding:            0;
-    vertical-align:     middle;
-}
-
-div#left_tableList ul ul {
-    margin-left:        0;
-    padding-left:       0.1em;
-    border-left:        0.1em solid <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-    padding-bottom:     0.1em;
-    border-bottom:      0.1em solid <?php echo $GLOBALS['cfg']['LeftColor']; ?>;
-}
diff --git a/themes/darkblue_orange/css/theme_print.css.php b/themes/darkblue_orange/css/theme_print.css.php
deleted file mode 100644
index 4ae50818c..000000000
--- a/themes/darkblue_orange/css/theme_print.css.php
+++ /dev/null
@@ -1,30 +0,0 @@
-/* For printview */
-body, table, th, td {
-    color:             #000000;
-    background-color:  #ffffff;
-    font-size:         8pt;
-}
-
-img {
-    border: 0;
-}
-
-table, th, td {
-    border-width:      0.1em;
-    border-color:      #000000;
-    border-style:      solid;
-}
-
-table {
-    border-collapse:   collapse;
-    border-spacing:    0;
-}
-
-th, td {
-    padding:           0.2em;
-}
-
-th {
-    font-weight:       bold;
-    background-color:  #e5e5e5;
-}