diff --git a/scss/_list-group.scss b/scss/_list-group.scss
index 057eb8057dab..b148c5c47293 100644
--- a/scss/_list-group.scss
+++ b/scss/_list-group.scss
@@ -132,7 +132,7 @@
 // useful within other components (e.g., cards).
 
 .list-group-flush {
-  .list-group-item {
+  > .list-group-item {
     border-right-width: 0;
     border-left-width: 0;
     @include border-radius(0);
@@ -140,10 +140,8 @@
     &:first-child {
       border-top-width: 0;
     }
-  }
 
-  &:last-child {
-    .list-group-item:last-child {
+    &:last-child {
       border-bottom-width: 0;
     }
   }
diff --git a/site/content/docs/4.3/components/list-group.md b/site/content/docs/4.3/components/list-group.md
index a9bb3acd2228..c258119bbf26 100644
--- a/site/content/docs/4.3/components/list-group.md
+++ b/site/content/docs/4.3/components/list-group.md
@@ -112,6 +112,56 @@ Add `.list-group-horizontal` to change the layout of list group items from verti
 {{< /list-group.inline >}}
 {{< /example >}}
 
+## Nested
+
+Listed group and listed group flush with nested lists inside of them.
+
+{{< example >}}
+<div class="container">
+  <h3>List Group</h3>
+  <div class="list-group mb-4">
+    <div class="list-group-item">Group item</div>
+    <div class="list-group-item">
+      <h4>List Group Horizontal</h4>
+      <div class="list-group list-group-horizontal">
+        <div class="list-group-item">Group item 1</div>
+        <div class="list-group-item">Group item 2</div>
+        <div class="list-group-item">Group item 3</div>      
+      </div>
+    </div>  
+    <div class="list-group-item">
+      <h4>List Group</h4>
+      <div class="list-group">
+        <div class="list-group-item">Group item 1</div>
+        <div class="list-group-item">Group item 2</div>
+        <div class="list-group-item">Group item 3</div>      
+      </div>
+    </div>
+  </div>
+
+  <h3>List Group Flush</h3>
+  <div class="list-group list-group-flush">
+    <div class="list-group-item">Group item</div>
+    <div class="list-group-item">
+      <h4>List Group Horizontal</h4>
+      <div class="list-group list-group-horizontal">
+        <div class="list-group-item">Group item 1</div>
+        <div class="list-group-item">Group item 2</div>
+        <div class="list-group-item">Group item 3</div>      
+      </div>
+    </div>
+    <div class="list-group-item">
+      <h4>List Group</h4>
+      <div class="list-group">
+        <div class="list-group-item">Group item 1</div>
+        <div class="list-group-item">Group item 2</div>
+        <div class="list-group-item">Group item 3</div>      
+      </div>
+    </div>
+  </div>
+</div>
+{{< /example >}}
+
 ## Contextual classes
 
 Use contextual classes to style list items with a stateful background and color.