diff --git a/resources/assets/stylesheets/mixins/studip.less b/resources/assets/stylesheets/mixins/studip.less
index 57847cfc750d961866a46e08cbba84fd99b307e1..5f0418d286ffacd7345d325180e29ada4501d2a9 100644
--- a/resources/assets/stylesheets/mixins/studip.less
+++ b/resources/assets/stylesheets/mixins/studip.less
@@ -166,14 +166,6 @@
 .scrollbox-vertical {
     overflow: auto;
 
-    background:
-        /* Shadow covers */
-        linear-gradient(white 30%, rgba(255,255,255,0)),
-        linear-gradient(rgba(255,255,255,0), white 70%) 0 100%,
-
-        /* Shadows */
-        radial-gradient(farthest-side at 50% 0, rgba(0,0,0,.2), rgba(0,0,0,0)),
-        radial-gradient(farthest-side at 50% 100%, rgba(0,0,0,.2), rgba(0,0,0,0)) 0 100%;
     background:
         /* Shadow covers */
         linear-gradient(white 30%, rgba(255,255,255,0)),
@@ -192,14 +184,6 @@
 .scrollbox-horizontal {
     overflow: auto;
 
-    background:
-        /* Shadow covers */
-        linear-gradient(90deg, white 30%, rgba(255,255,255,0)),
-        linear-gradient(90deg, rgba(255,255,255,0), white 70%) 100% 0,
-
-        /* Shadows */
-        radial-gradient(farthest-side at 0 50%, rgba(0,0,0,.2), rgba(0,0,0,0)),
-        radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,.2), rgba(0,0,0,0)) 100% 0;
     background:
         /* Shadow covers */
         linear-gradient(90deg, white 30%, rgba(255,255,255,0)),
diff --git a/resources/assets/stylesheets/mixins/studip.scss b/resources/assets/stylesheets/mixins/studip.scss
index eb156bb66b059a802f9efbf31f7cf20b506bbb63..344f8027114fb40a0ba22e06d6c81bae14651945 100644
--- a/resources/assets/stylesheets/mixins/studip.scss
+++ b/resources/assets/stylesheets/mixins/studip.scss
@@ -182,14 +182,6 @@
 %scrollbox-vertical {
     overflow: auto;
 
-    background:
-        /* Shadow covers */
-        linear-gradient(white 30%, rgba(255,255,255,0)),
-        linear-gradient(rgba(255,255,255,0), white 70%) 0 100%,
-
-        /* Shadows */
-        radial-gradient(farthest-side at 50% 0, rgba(0,0,0,.2), rgba(0,0,0,0)),
-        radial-gradient(farthest-side at 50% 100%, rgba(0,0,0,.2), rgba(0,0,0,0)) 0 100%;
     background:
         /* Shadow covers */
         linear-gradient(white 30%, rgba(255,255,255,0)),
@@ -208,14 +200,6 @@
 @mixin scrollbox-horizontal {
     overflow: auto;
 
-    background:
-        /* Shadow covers */
-        linear-gradient(90deg, white 30%, rgba(255,255,255,0)),
-        linear-gradient(90deg, rgba(255,255,255,0), white 70%) 100% 0,
-
-        /* Shadows */
-        radial-gradient(farthest-side at 0 50%, rgba(0,0,0,.2), rgba(0,0,0,0)),
-        radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,.2), rgba(0,0,0,0)) 100% 0;
     background:
         /* Shadow covers */
         linear-gradient(90deg, white 30%, rgba(255,255,255,0)),