Index: wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- wp-admin/includes/class-wp-media-list-table.php	(Revision 18577)
+++ wp-admin/includes/class-wp-media-list-table.php	(Arbeitskopie)
@@ -133,7 +133,6 @@
 		/* translators: column name */
 		$posts_columns['title'] = _x( 'File', 'column name' );
 		$posts_columns['author'] = __( 'Author' );
-		//$posts_columns['tags'] = _x( 'Tags', 'column name' );
 		/* translators: column name */
 		if ( !$this->detached ) {
 			$posts_columns['parent'] = _x( 'Attached to', 'column name' );
@@ -237,23 +236,6 @@
 <?php
 		break;
 
-	case 'tags':
-?>
-		<td <?php echo $attributes ?>><?php
-		$tags = get_the_tags();
-		if ( !empty( $tags ) ) {
-			$out = array();
-			foreach ( $tags as $c )
-				$out[] = "<a href='edit.php?tag=$c->slug'> " . esc_html( sanitize_term_field( 'name', $c->name, $c->term_id, 'post_tag', 'display' ) ) . "</a>";
-			echo join( ', ', $out );
-		} else {
-			_e( 'No Tags' );
-		}
-?>
-		</td>
-<?php
-		break;
-
 	case 'desc':
 ?>
 		<td <?php echo $attributes ?>><?php echo has_excerpt() ? $post->post_excerpt : ''; ?></td>
@@ -261,17 +243,13 @@
 		break;
 
 	case 'date':
-		if ( '0000-00-00 00:00:00' == $post->post_date && 'date' == $column_name ) {
-			$t_time = $h_time = __( 'Unpublished' );
+		if ( '0000-00-00 00:00:00' == $post->post_date ) { // Needed? Media is always published.
+			$h_time = __( 'Unpublished' );
 		} else {
-			$t_time = get_the_time( __( 'Y/m/d g:i:s A' ) );
 			$m_time = $post->post_date;
 			$time = get_post_time( 'G', true, $post, false );
-			if ( ( abs( $t_diff = time() - $time ) ) < 86400 ) {
-				if ( $t_diff < 0 )
-					$h_time = sprintf( __( '%s from now' ), human_time_diff( $time ) );
-				else
-					$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
+			if ( ( abs( $t_diff = time() - $time ) ) < 86400 && $t_diff > 0 ) {
+				$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
 			} else {
 				$h_time = mysql2date( __( 'Y/m/d' ), $m_time );
 			}