diff --git a/CHANGES.md b/CHANGES.md
index c79ad3087cd98952e67beac1f6b4deda657bda64..77756ec22bfcfeadcf8931579ed9e3198b134806 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2018-03-07 - Add a nice slide animation when hiding a course.
 * 2018-03-06 - Add a note about the future of the course news feature to README.
 * 2018-03-06 - Bugfix: Add a default title string to this plugin instead of fetching it from block_course_overview which is EOL.
 * 2018-03-06 - Activity icons should be rendered with image_icon() and not with pix_icon anymore.
diff --git a/amd/build/hidecourse.min.js b/amd/build/hidecourse.min.js
index b7dba7f14a6ce7610d5407c9729d2d235a116b46..7025467430e7060b9760098d0a32596023081f08 100644
--- a/amd/build/hidecourse.min.js
+++ b/amd/build/hidecourse.min.js
@@ -1 +1 @@
-define(["jquery"],function(a){"use strict";function b(b){var c;void 0!==b&&b.preventDefault(),1===b.data.manage&&(a("#coc-hidecourseicon-"+b.data.course).addClass("coc-hidden"),a("#coc-showcourseicon-"+b.data.course).removeClass("coc-hidden")),0===b.data.manage&&(a(".coc-hidecourse-"+b.data.course).addClass("coc-hidden"),c=parseInt(a("#coc-hiddencoursescount").html(),10),a("#coc-hiddencoursescount").html(c+1),a("#coc-hiddencoursesmanagement-bottom .row").removeClass("coc-hidden")),M.util.set_user_preference("block_course_overview_campus-hidecourse-"+b.data.course,1)}function c(b){void 0!==b&&b.preventDefault(),1===b.data.manage&&(a("#coc-showcourseicon-"+b.data.course).addClass("coc-hidden"),a("#coc-hidecourseicon-"+b.data.course).removeClass("coc-hidden")),M.util.set_user_preference("block_course_overview_campus-hidecourse-"+b.data.course,0)}function d(){var b=new Array;a(".coc-course").each(function(c,d){0==a(d).height()&&b.push(d.id.slice(11))});var c=JSON.stringify(b);M.util.set_user_preference("local_boostcoc-notshowncourses",c)}function e(){var b=new Array;a("#coc-filterterm, #coc-filtercategory, #coc-filtertoplevelcategory, #coc-filterteacher").each(function(c,d){"all"!==a(d).val()&&b.push(d.id.slice(4))});var c=parseInt(a("#coc-hiddencoursescount").html(),10);c>0&&b.push("hidecourses");var d=JSON.stringify(b);M.util.set_user_preference("local_boostcoc-activefilters",d)}return{initHideCourse:function(f){var g,h=f.courses.split(" ");for(g=0;g<h.length;g++)a("#coc-hidecourseicon-"+h[g]).on("click",{course:h[g],manage:f.manage},b),a("#coc-showcourseicon-"+h[g]).on("click",{course:h[g],manage:f.manage},c),1==f.local_boostcoc&&0==f.manage&&a("#coc-hidecourseicon-"+h[g]).on("click",d).on("click",e)}}});
\ No newline at end of file
+define(["jquery"],function(a){"use strict";function b(b){var c;if(void 0!==b&&b.preventDefault(),1===b.data.manage&&(a("#coc-hidecourseicon-"+b.data.course).addClass("coc-hidden"),a("#coc-showcourseicon-"+b.data.course).removeClass("coc-hidden")),0===b.data.manage){a("#coc-hidecourseicon-"+b.data.course).addClass("coc-hidden"),a("#coc-showcourseicon-"+b.data.course).removeClass("coc-hidden");var d=b.data.course;a(".coc-hidecourse-"+b.data.course).slideUp(function(){a(".coc-hidecourse-"+d).addClass("coc-hidden"),c=parseInt(a("#coc-hiddencoursescount").html(),10),a("#coc-hiddencoursescount").html(c+1),a("#coc-hiddencoursesmanagement-bottom .row").removeClass("coc-hidden")})}M.util.set_user_preference("block_course_overview_campus-hidecourse-"+b.data.course,1)}function c(b){void 0!==b&&b.preventDefault(),1===b.data.manage&&(a("#coc-showcourseicon-"+b.data.course).addClass("coc-hidden"),a("#coc-hidecourseicon-"+b.data.course).removeClass("coc-hidden")),M.util.set_user_preference("block_course_overview_campus-hidecourse-"+b.data.course,0)}function d(){var b=new Array;a(".coc-course").each(function(c,d){0==a(d).height()&&b.push(d.id.slice(11))});var c=JSON.stringify(b);M.util.set_user_preference("local_boostcoc-notshowncourses",c)}function e(){var b=new Array;a("#coc-filterterm, #coc-filtercategory, #coc-filtertoplevelcategory, #coc-filterteacher").each(function(c,d){"all"!==a(d).val()&&b.push(d.id.slice(4))});var c=parseInt(a("#coc-hiddencoursescount").html(),10);c>0&&b.push("hidecourses");var d=JSON.stringify(b);M.util.set_user_preference("local_boostcoc-activefilters",d)}return{initHideCourse:function(f){var g,h=f.courses.split(" ");for(g=0;g<h.length;g++)a("#coc-hidecourseicon-"+h[g]).on("click",{course:h[g],manage:f.manage},b),a("#coc-showcourseicon-"+h[g]).on("click",{course:h[g],manage:f.manage},c),1==f.local_boostcoc&&0==f.manage&&a("#coc-hidecourseicon-"+h[g]).on("click",d).on("click",e)}}});
\ No newline at end of file
diff --git a/amd/src/hidecourse.js b/amd/src/hidecourse.js
index a9e3d6951bee16639bd9a9b7731fe914a48b87e1..d53da12aa07835ed8799d9887ef0e18fac4237a1 100644
--- a/amd/src/hidecourse.js
+++ b/amd/src/hidecourse.js
@@ -21,15 +21,24 @@ define(['jquery'], function($) {
 
         // When hidden course managing is active.
         if (e.data.manage === 1) {
+            // Change the icon.
             $('#coc-hidecourseicon-' + e.data.course).addClass('coc-hidden');
             $('#coc-showcourseicon-' + e.data.course).removeClass('coc-hidden');
         }
         // When hidden course managing is not active.
         if (e.data.manage === 0) {
-            $('.coc-hidecourse-' + e.data.course).addClass('coc-hidden');
-            hiddenCount = parseInt($('#coc-hiddencoursescount').html(), 10);
-            $('#coc-hiddencoursescount').html(hiddenCount + 1);
-            $('#coc-hiddencoursesmanagement-bottom .row').removeClass('coc-hidden');
+            // Change the icon.
+            $('#coc-hidecourseicon-' + e.data.course).addClass('coc-hidden');
+            $('#coc-showcourseicon-' + e.data.course).removeClass('coc-hidden');
+
+            // Use a nice slide animation to make clear where the course is going.
+            var courseId = e.data.course;
+            $('.coc-hidecourse-' + e.data.course).slideUp(function() {
+                $('.coc-hidecourse-' + courseId).addClass('coc-hidden');
+                hiddenCount = parseInt($('#coc-hiddencoursescount').html(), 10);
+                $('#coc-hiddencoursescount').html(hiddenCount + 1);
+                $('#coc-hiddencoursesmanagement-bottom .row').removeClass('coc-hidden');
+            });
         }
 
         // Store the course status (Uses AJAX to save to the database).
@@ -47,6 +56,7 @@ define(['jquery'], function($) {
 
         // When hidden course managing is active.
         if (e.data.manage === 1) {
+            // Change the icon.
             $('#coc-showcourseicon-' + e.data.course).addClass('coc-hidden');
             $('#coc-hidecourseicon-' + e.data.course).removeClass('coc-hidden');
         }