diff --git a/site/docs/4.1/examples/blog/blog.css b/site/docs/4.1/examples/blog/blog.css
index 059125fa866d0994d70888fcb2cb558d47c74e8b..b60d0d2e906de081649fd60745f5d51be72ad2c1 100644
--- a/site/docs/4.1/examples/blog/blog.css
+++ b/site/docs/4.1/examples/blog/blog.css
@@ -68,9 +68,6 @@ h1, h2, h3, h4, h5, h6 {
   .h-md-250 { height: 250px; }
 }
 
-.border-top { border-top: 1px solid #e5e5e5; }
-.border-bottom { border-bottom: 1px solid #e5e5e5; }
-
 /*
  * Blog name and description
  */
diff --git a/site/docs/4.1/examples/checkout/form-validation.css b/site/docs/4.1/examples/checkout/form-validation.css
index dcd283b97b02eee48f7780fffc320f2bf36c859a..7a6246faec5adb79616183068c90effa28aa737b 100644
--- a/site/docs/4.1/examples/checkout/form-validation.css
+++ b/site/docs/4.1/examples/checkout/form-validation.css
@@ -2,8 +2,4 @@
   max-width: 960px;
 }
 
-.border-top { border-top: 1px solid #e5e5e5; }
-.border-bottom { border-bottom: 1px solid #e5e5e5; }
-.border-top-gray { border-top-color: #adb5bd; }
-
 .lh-condensed { line-height: 1.25; }
diff --git a/site/docs/4.1/examples/dashboard/dashboard.css b/site/docs/4.1/examples/dashboard/dashboard.css
index 39180973996cb2ec6790b6e12849a16d324035da..eb3bb8540950a82401f44f99d75a46f34928555c 100644
--- a/site/docs/4.1/examples/dashboard/dashboard.css
+++ b/site/docs/4.1/examples/dashboard/dashboard.css
@@ -98,10 +98,3 @@ body {
   border-color: transparent;
   box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
 }
-
-/*
- * Utilities
- */
-
-.border-top { border-top: 1px solid #e5e5e5; }
-.border-bottom { border-bottom: 1px solid #e5e5e5; }
diff --git a/site/docs/4.1/examples/offcanvas/offcanvas.css b/site/docs/4.1/examples/offcanvas/offcanvas.css
index da003240032bdcf04a3ec162f2dfe5cfbac654b2..22de95a41149737f535e55b9a3edee6901b6654c 100644
--- a/site/docs/4.1/examples/offcanvas/offcanvas.css
+++ b/site/docs/4.1/examples/offcanvas/offcanvas.css
@@ -70,8 +70,6 @@ body {
 
 .bg-purple { background-color: #6f42c1; }
 
-.border-bottom { border-bottom: 1px solid #e5e5e5; }
-
 .lh-100 { line-height: 1; }
 .lh-125 { line-height: 1.25; }
 .lh-150 { line-height: 1.5; }
diff --git a/site/docs/4.1/examples/pricing/pricing.css b/site/docs/4.1/examples/pricing/pricing.css
index 203b8ebe918c98afe350ebfcb633ce28f18e2505..cbf0ec013aeeaa87ac7e300480655786343ddbdc 100644
--- a/site/docs/4.1/examples/pricing/pricing.css
+++ b/site/docs/4.1/examples/pricing/pricing.css
@@ -18,6 +18,3 @@ html {
 .card-deck .card {
   min-width: 220px;
 }
-
-.border-top { border-top: 1px solid #e5e5e5; }
-.border-bottom { border-bottom: 1px solid #e5e5e5; }
diff --git a/site/docs/4.1/examples/product/product.css b/site/docs/4.1/examples/product/product.css
index fc8b0451965c243e8d171426a1c67862023a7a88..4db2864fc53f6fb714699777f1204c588884dbfb 100644
--- a/site/docs/4.1/examples/product/product.css
+++ b/site/docs/4.1/examples/product/product.css
@@ -60,9 +60,6 @@
  * Extra utilities
  */
 
-.border-top { border-top: 1px solid #e5e5e5; }
-.border-bottom { border-bottom: 1px solid #e5e5e5; }
-
 .flex-equal > * {
   -ms-flex: 1;
   flex: 1;