diff --git a/wp-admin/css/ie.css b/wp-admin/css/ie.css
index 7fa4f88d46..4479d9fe92 100644
--- a/wp-admin/css/ie.css
+++ b/wp-admin/css/ie.css
@@ -402,11 +402,6 @@ table.ie-fixed {
 	background: #298CBA;
 }
 
-#wpcontent #ajax-loading,
-#wpcontent .ajax-loading {
-	vertical-align: baseline;
-}
-
 #the-comment-list .unapproved tr,
 #the-comment-list .unapproved td {
 	background-color: #ffffe0;
diff --git a/wp-admin/css/wp-admin-rtl.css b/wp-admin/css/wp-admin-rtl.css
index 1bc8a8939d..246fec0c2c 100644
--- a/wp-admin/css/wp-admin-rtl.css
+++ b/wp-admin/css/wp-admin-rtl.css
@@ -160,11 +160,6 @@ ul#add-to-blog-users {
 	float: right;
 }
 
-#minor-publishing .ajax-loading {
-	padding: 3px 4px 0 0;
-	float: right;
-}
-
 .preview {
 	float: left;
 }
diff --git a/wp-admin/css/wp-admin.css b/wp-admin/css/wp-admin.css
index e2ffc79d51..549d4d76fb 100644
--- a/wp-admin/css/wp-admin.css
+++ b/wp-admin/css/wp-admin.css
@@ -998,11 +998,6 @@ ul#add-to-blog-users {
 	float: left;
 }
 
-#minor-publishing .ajax-loading {
-	padding: 3px 0 0 4px;
-	float: left;
-}
-
 .preview {
 	float: right;
 }
@@ -1094,8 +1089,12 @@ form.upgrade .hint {
 	margin: -0.5em 0 2em 0;
 }
 
-.ajax-feedback {
-	vertical-align: bottom;
+#ajax-loading,
+.ajax-loading,
+.ajax-feedback,
+.imgedit-wait-spin,
+.list-ajax-loading { /* deprecated */
+	visibility: hidden;
 }
 
 #ajax-response.alignleft {
@@ -2948,11 +2947,6 @@ input#link_url {
 	float: left;
 }
 
-#submitpost #ajax-loading,
-#submitpost .ajax-loading {
-	vertical-align: middle;
-}
-
 .submitbox .submit {
 	text-align: left;
 	padding: 12px 10px 10px;
@@ -4471,6 +4465,10 @@ span.imgedit-scale-warn {
 	height: auto;
 }
 
+.theme-install-php .spinner {
+	margin-top: 9px;
+}
+
 h3.available-themes {
 	margin: 0 0 1em;
 	float: left;
@@ -5878,10 +5876,6 @@ td.media-icon img {
 	max-height: 60px;
 }
 
-.tablenav .list-ajax-loading {
-	margin-top: 7px;
-}
-
 #howto {
 	font-size: 11px;
 	margin: 0 5px;
@@ -8052,10 +8046,6 @@ a.widget-action {
 	text-decoration: underline;
 }
 
-.widget-control-actions .ajax-feedback {
-	padding-bottom: 3px;
-}
-
 .widget-control-actions div.alignleft {
 	margin-top: 6px;
 }
diff --git a/wp-admin/includes/class-wp-themes-list-table.php b/wp-admin/includes/class-wp-themes-list-table.php
index 7bf9114c5a..420495efe3 100644
--- a/wp-admin/includes/class-wp-themes-list-table.php
+++ b/wp-admin/includes/class-wp-themes-list-table.php
@@ -91,7 +91,7 @@ class WP_Themes_List_Table extends WP_List_Table {
 		?>
 		<div class="tablenav themes <?php echo $which; ?>">
 			<?php $this->pagination( $which ); ?>
-			<span class="ajax-loading list-ajax-loading spinner"></span>
+			<span class="spinner"></span>
 			<br class="clear" />
 		</div>
 		<?php