diff --git a/less/modal.less b/less/modal.less
index 5ca7a50..97b6b7a 100644
--- a/less/modal.less
+++ b/less/modal.less
@@ -6,8 +6,6 @@
 @modal-header-padding-horizontal: @global-medium-gutter;
 @modal-header-padding-vertical: @global-gutter;
 @modal-header-background: @global-background;
-@modal-header-border-width: @global-border-width;
-@modal-header-border: @global-border;
 
 @modal-footer-padding-horizontal: @global-medium-gutter;
 @modal-footer-padding-vertical: @global-medium-gutter;
@@ -22,7 +20,6 @@
 }
 
 .hook-modal-header() {
-  border-bottom: @modal-header-border-width solid @modal-header-border;
   border-radius: @modal-dialog-border-radius @modal-dialog-border-radius 0 0;
 }