diff --git a/frontend/less/espo/custom.less b/frontend/less/espo/custom.less
index 3d5463617e..ef44b5560a 100644
--- a/frontend/less/espo/custom.less
+++ b/frontend/less/espo/custom.less
@@ -1156,6 +1156,11 @@ section {
     padding-right: @panel-padding;
 }
 
+.modal-body > div > .list-expanded > ul > li {
+    border-left-width: 0;
+    border-right-width: 0;
+}
+
 #main > .list-container > .list {
     margin-left: -@container-padding;
     margin-right: -@container-padding;