diff --git a/src/material/core/option/option.scss b/src/material/core/option/option.scss
index 6d4641a635af..e067624a0d4f 100644
--- a/src/material/core/option/option.scss
+++ b/src/material/core/option/option.scss
@@ -157,7 +157,7 @@ $_side-padding: 16px;
     // In single selection mode, the selected option is indicated by changing its
     // background color, but that doesn't work in high contrast mode. We add an
     // alternate indication by rendering out a circle.
-    &.mdc-list-item--selected:not(.mat-mdc-option-multiple)::after {
+    &.mdc-list-item--selected:not(:has(.mat-mdc-option-pseudo-checkbox))::after {
       $size: 10px;
       content: '';
       position: absolute;
@@ -170,7 +170,7 @@ $_side-padding: 16px;
       border-radius: $size;
     }
 
-    [dir='rtl'] &.mdc-list-item--selected:not(.mat-mdc-option-multiple)::after {
+    [dir='rtl'] &.mdc-list-item--selected:not(:has(.mat-mdc-option-pseudo-checkbox))::after {
       right: auto;
       left: $_side-padding;
     }
diff --git a/src/material/list/_list-inherited-structure.scss b/src/material/list/_list-inherited-structure.scss
index b6c060100425..44b4b67c228c 100644
--- a/src/material/list/_list-inherited-structure.scss
+++ b/src/material/list/_list-inherited-structure.scss
@@ -1,4 +1,3 @@
-@use '@angular/cdk';
 @use '../core/style/vendor-prefixes';
 @use '../core/tokens/m2/mdc/list' as tokens-mdc-list;
 @use '../core/tokens/token-utils';
@@ -93,31 +92,6 @@
         margin-top: 16px;
       }
     }
-
-    &.mdc-list-item--selected::before,
-    &.mdc-list-item--selected:focus::before,
-    &:not(.mdc-list-item--selected):focus::before {
-      position: absolute;
-      box-sizing: border-box;
-      width: 100%;
-      height: 100%;
-      top: 0;
-      left: 0;
-      border: 1px solid transparent;
-      border-radius: inherit;
-      content: '';
-      pointer-events: none;
-
-      @include cdk.high-contrast {
-        border-color: CanvasText;
-      }
-    }
-
-    &.mdc-list-item--selected:focus::before,
-    &.mdc-list-item--selected::before {
-      border-width: 3px;
-      border-style: double;
-    }
   }
 
   a.mdc-list-item {
diff --git a/src/material/list/list.scss b/src/material/list/list.scss
index b379c695c87a..95098cebdf4c 100644
--- a/src/material/list/list.scss
+++ b/src/material/list/list.scss
@@ -116,6 +116,9 @@ a.mdc-list-item--activated {
   content: '';
   opacity: 0;
   pointer-events: none;
+
+  // This comes up in some internal implementations.
+  border-radius: inherit;
 }
 
 // The MDC-based list items already use the `::before` pseudo element for the standard