diff --git a/administrator/templates/atum/scss/_variables.scss b/administrator/templates/atum/scss/_variables.scss
index bb0aeb91dd580..7be9ef395f793 100644
--- a/administrator/templates/atum/scss/_variables.scss
+++ b/administrator/templates/atum/scss/_variables.scss
@@ -155,10 +155,6 @@ $dropdown-item-padding-y:          .5rem;
 $dropdown-item-padding-x:          .75rem;
 $dropdown-spacer:                  0;
 
-// Tabs
-$nav-tabs-border-width:            0;
-$nav-tabs-link-active-bg:          rgba($gray-100, .2); // Used by bootstrap tabs
-
 // Cards
 $card-border-width:                0;
 $card-border-color:                transparent;
diff --git a/administrator/templates/atum/scss/template.scss b/administrator/templates/atum/scss/template.scss
index 339e773cf1613..75b48c8caf310 100644
--- a/administrator/templates/atum/scss/template.scss
+++ b/administrator/templates/atum/scss/template.scss
@@ -28,7 +28,6 @@
 @import "vendor/bootstrap/form";
 @import "vendor/bootstrap/lists";
 @import "vendor/bootstrap/modal";
-@import "vendor/bootstrap/nav";
 @import "vendor/bootstrap/pagination";
 @import "vendor/bootstrap/reboot";
 @import "vendor/bootstrap/table";
diff --git a/administrator/templates/atum/scss/vendor/bootstrap/_nav.scss b/administrator/templates/atum/scss/vendor/bootstrap/_nav.scss
deleted file mode 100644
index 6a8ee4272d445..0000000000000
--- a/administrator/templates/atum/scss/vendor/bootstrap/_nav.scss
+++ /dev/null
@@ -1,41 +0,0 @@
-// Tabs
-
-@import "../../variables";
-
-.nav.nav-tabs {
-
-  align-items: stretch;
-  justify-content: space-around;
-  padding: 0;
-  margin: 0 0 1rem;
-  text-align: center;
-  background-color: var(--atum-bg-dark);
-
-  @include media-breakpoint-only(xl) {
-    flex-wrap: unset;
-  }
-
-  @include media-breakpoint-down(sm) {
-    flex-direction: column;
-  }
-
-  .nav-item {
-    width: 100%;
-    margin-bottom: 0;
-    margin-left: 0;
-  }
-
-  .nav-link {
-    position: relative;
-    height: 100%;
-    padding: .75em 1em;
-    color: $white;
-    box-shadow: -1px 0 0 rgba(0, 0, 0, .1);
-  }
-}
-
-.nav-tabs + .tab-content {
-  padding: 0;
-  background: transparent;
-  border: 0;
-}