Index: wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- wp-admin/includes/class-wp-posts-list-table.php	(revision 23400)
+++ wp-admin/includes/class-wp-posts-list-table.php	(working copy)
@@ -1026,32 +1026,6 @@
 	<?php endif; // 'post' && $can_publish && current_user_can( 'edit_others_cap' ) ?>
 
 			</div>
-
-	<?php if ( post_type_supports( $screen->post_type, 'post-formats' ) && current_theme_supports( 'post-formats' ) ) :
-		$post_formats = get_theme_support( 'post-formats' );
-		if ( isset( $post_formats[0] ) && is_array( $post_formats[0] ) ) :
-			$all_post_formats = get_post_format_strings();
-			unset( $all_post_formats['standard'] ); ?>
-			<div class="inline-edit-group">
-				<label class="alignleft" for="post_format">
-				<span class="title"><?php _ex( 'Format', 'post format' ); ?></span>
-				<select name="post_format">
-				<?php if ( $bulk ) : ?>
-					<option value="-1"><?php _e( '&mdash; No Change &mdash;' ); ?></option>
-				<?php endif; ?>
-					<option value="0"><?php _ex( 'Standard', 'Post format' ); ?></option>
-				<?php foreach ( $all_post_formats as $slug => $format ) :
-					$unsupported = ! in_array( $slug, $post_formats[0] );
-					if ( $bulk && $unsupported )
-						continue;
-					?>
-					<option value="<?php echo esc_attr( $slug ); ?>"<?php if ( $unsupported ) echo ' class="unsupported"'; ?>><?php echo esc_html( $format ); ?></option>
-				<?php endforeach; ?>
-				</select></label>
-			</div>
-		<?php endif; ?>
-	<?php endif; // post-formats ?>
-
 		</div></fieldset>
 
 	<?php
Index: wp-admin/includes/post.php
===================================================================
--- wp-admin/includes/post.php	(revision 23400)
+++ wp-admin/includes/post.php	(working copy)
@@ -344,14 +344,6 @@
 		}
 	}
 
-	if ( isset( $post_data['post_format'] ) ) {
-		if ( '0' == $post_data['post_format'] )
-			$post_data['post_format'] = false;
-		// don't change the post format if it's not supported or not '0' (standard)
-		elseif ( ! current_theme_supports( 'post-formats', $post_data['post_format'] ) )
-			unset( $post_data['post_format'] );
-	}
-
 	$updated = $skipped = $locked = array();
 	foreach ( $post_IDs as $post_ID ) {
 		$post_type_object = get_post_type_object( get_post_type( $post_ID ) );
@@ -401,9 +393,6 @@
 			else
 				unstick_post( $post_ID );
 		}
-
-		if ( isset( $post_data['post_format'] ) )
-			set_post_format( $post_ID, $post_data['post_format'] );
 	}
 
 	return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked );