diff --git a/themes/original/css/theme_right.css.php b/themes/original/css/theme_right.css.php
index 94cd84af53..c94926227a 100644
--- a/themes/original/css/theme_right.css.php
+++ b/themes/original/css/theme_right.css.php
@@ -2290,5 +2290,3 @@ span.mysql-number {
 .navigation select {
     margin: 0 0.8em;
 }
-/* Timepicker */
-#ui-timepicker-div { z-index: 1003; }
diff --git a/themes/pmahomme/css/theme_right.css.php b/themes/pmahomme/css/theme_right.css.php
index 0896b3fe44..6c685c2d5d 100644
--- a/themes/pmahomme/css/theme_right.css.php
+++ b/themes/pmahomme/css/theme_right.css.php
@@ -2734,5 +2734,3 @@ span.mysql-number {
 .navigation select {
     margin: 0 0.8em;
 }
-/* Timepicker */
-#ui-timepicker-div { z-index: 1003; }