diff --git a/src/case/combo/bubblecombo/combo.bubble.js b/src/case/combo/bubblecombo/combo.bubble.js
index 8f4dc80d5..3e9e4c750 100644
--- a/src/case/combo/bubblecombo/combo.bubble.js
+++ b/src/case/combo/bubblecombo/combo.bubble.js
@@ -56,7 +56,7 @@ BI.BubbleCombo = BI.inherit(BI.Widget, {
             popup: BI.extend({
                 type: "bi.bubble_popup_view",
                 animation: "bi-zoom-big",
-                animationDuring: 300,
+                animationDuring: 200,
             }, o.popup)
         });
         this.combo.on(BI.Combo.EVENT_TRIGGER_CHANGE, function () {
diff --git a/src/less/motion.less b/src/less/motion.less
index 3bd4a4368..d5e02987e 100644
--- a/src/less/motion.less
+++ b/src/less/motion.less
@@ -52,27 +52,3 @@
     pointer-events: none;
   }
 }
-
-.zoom-big-motion-enter() {
-  transform: scale(0);
-  opacity: 0;
-  animation-timing-function: @ease-out-circ;
-
-  .motion-common(@animation-duration-base);
-  animation-play-state: paused;
-}
-.zoom-big-motion-enter-active() {
-  animation-name: biZoomBigIn;
-  animation-play-state: running;
-}
-
-.zoom-big-motion-leave() {
-  animation-timing-function: @ease-in-out-circ;
-
-  .motion-common-leave(@animation-duration-base);
-}
-.zoom-big-motion-leave-active() {
-  animation-name: biZoomBigOut;
-  animation-play-state: running;
-  pointer-events: none;
-}