diff --git a/view/theme/vier/theme.php b/view/theme/vier/theme.php
index 779a5ce4a9..eb5bcec221 100644
--- a/view/theme/vier/theme.php
+++ b/view/theme/vier/theme.php
@@ -33,10 +33,6 @@ $a->page['htmlhead'] .= <<< EOT
 <script type="text/javascript" src="$baseurl/view/theme/vier/js/jquery.divgrow-1.3.1.f1.min.js"></script>
 <script>
 
-function showHideASide(e) {
-	var mouse_pos(e);
-}
-
 function collapseHeight(elems) {
 	var elemName = '.wall-item-body:not(.divmore)';
 	if(typeof elems != 'undefined') {