diff --git a/polaris-react/src/components/ButtonGroup/ButtonGroup.scss b/polaris-react/src/components/ButtonGroup/ButtonGroup.scss
index 697ffabb8bf..9a2730bb7f4 100644
--- a/polaris-react/src/components/ButtonGroup/ButtonGroup.scss
+++ b/polaris-react/src/components/ButtonGroup/ButtonGroup.scss
@@ -1,7 +1,7 @@
 @import '../../styles/common';
 
 .ButtonGroup {
-  // stylelint-disable -- Polaris component custom properties
+  // stylelint-disable -- ButtonGroup custom properties
   --pc-button-group-item: 10;
   --pc-button-group-focused: 20;
   // stylelint-enable
@@ -19,11 +19,7 @@
 
 .Item-plain {
   &:not(:first-child) {
-    margin-left: var(--p-space-4);
-
-    #{$se23} & {
-      margin-left: var(--p-space-2);
-    }
+    margin-left: var(--p-space-2);
   }
 
   &:not(:last-child) {
@@ -39,31 +35,24 @@
 
   .Item {
     position: relative;
-    // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
-    z-index: var(--pc-button-group-item);
+    // stylelint-disable-next-line polaris/z-index/declaration-property-value-allowed-list -- override z-index
+    z-index: unset;
     margin-top: 0;
     margin-left: 0;
     line-height: normal;
 
-    #{$se23} & {
-      // stylelint-disable-next-line polaris/z-index/declaration-property-value-allowed-list -- se23 temporary styles
-      z-index: unset;
-    }
-
     &:not(:first-child) {
       margin-left: calc(-1 * var(--p-space-025));
     }
 
-    // stylelint-disable-next-line -- se23 specific styling
+    // stylelint-disable-next-line -- set clip path
     + .Item:not(.selected) > button {
-      #{$se23} & {
-        clip-path: inset(0 0 0 var(--p-space-025));
-      }
+      clip-path: inset(0 0 0 var(--p-space-025));
     }
   }
 
   .Item-focused {
-    // stylelint-disable-next-line -- generated by polaris-migrator DO NOT COPY
+    // stylelint-disable-next-line  -- custom property
     z-index: var(--pc-button-group-focused);
   }
 }