diff --git a/addons/web/static/src/legacy/scss/animation.scss b/addons/web/static/src/legacy/scss/animation.scss
index 9a410103045..5acc5812c66 100644
--- a/addons/web/static/src/legacy/scss/animation.scss
+++ b/addons/web/static/src/legacy/scss/animation.scss
@@ -1,19 +1,4 @@
 /************** DEFINITION of ANIMATIONS **************/
-// 'marked' effects
-@keyframes markAnim {
-    0% {
-        opacity: 0;
-        transform: scaleX(0.50) scaleY(0.50);
-    }
-    30% {
-        opacity: 1;
-        transform: scaleX(1.00) scaleY(1.00);
-    }
-    100% {
-        opacity: 0;
-        transform: scaleX(1.00) scaleY(1.00);
-    }
-}
 
 // 'bounce' effect
 @keyframes bounceIn {