diff --git a/packages/app/src/theme/fixments.less b/packages/app/src/theme/fixments.less
index 7edabf74..165d70ba 100644
--- a/packages/app/src/theme/fixments.less
+++ b/packages/app/src/theme/fixments.less
@@ -177,19 +177,6 @@
     &::after {
         opacity: 0;
     }
-
-    &::before {
-        content: "";
-        position: absolute;
-
-        top: 0;
-        left: 0;
-
-        width: 10px;
-        height: 100%;
-
-        background-color: var(--primaryColor);
-    }
 }
 
 .ant-menu-item:active {