diff --git a/packages/components/docs/sass.md b/packages/components/docs/sass.md
index 5878cf139195..9bf839b5ae26 100644
--- a/packages/components/docs/sass.md
+++ b/packages/components/docs/sass.md
@@ -3448,6 +3448,7 @@ $carbon--spacing-06: 1.5rem;
   - [accordion [mixin]](#accordion-mixin)
   - [file-uploader [mixin]](#file-uploader-mixin)
   - [lists [mixin]](#lists-mixin)
+  - [listbox [mixin]](#listbox-mixin)
   - [toast-notifications [mixin]](#toast-notifications-mixin)
   - [progress-indicator [mixin]](#progress-indicator-mixin)
   - [padding-td [mixin]](#padding-td-mixin)
@@ -18147,7 +18148,7 @@ List box styles
     line-height: rem(16px);
     padding: rem(11px) 0;
     margin: 0 $carbon--spacing-05;
-    padding-right: rem(32px); // 40px - `$carbon--spacing-05`
+    padding-right: $carbon--spacing-06;
     border-top: 1px solid transparent;
     border-bottom: 1px solid transparent;
     border-top-color: $ui-03;
@@ -18191,7 +18192,7 @@ List box styles
 
   .#{$prefix}--list-box.#{$prefix}--list-box--inline
     .#{$prefix}--list-box__menu-item__option {
-    margin: 0 rem(32px) 0 $carbon--spacing-03;
+    margin: 0 $carbon--spacing-03;
 
     &:focus {
       margin: 0;
@@ -18298,6 +18299,7 @@ List box styles
   - [ui-01 [variable]](#ui-01-variable)
   - [text-02 [variable]](#text-02-variable)
   - [selected-ui [variable]](#selected-ui-variable)
+  - [carbon--spacing-06 [variable]](#carbon--spacing-06-variable)
 
 ## loading
 
@@ -21234,6 +21236,16 @@ Select styles
     }
   }
 
+  .#{$prefix}--select-input--sm {
+    height: rem(32px);
+    max-height: rem(32px);
+  }
+
+  .#{$prefix}--select-input--xl {
+    height: rem(48px);
+    max-height: rem(48px);
+  }
+
   .#{$prefix}--select--disabled .#{$prefix}--label,
   .#{$prefix}--select--disabled .#{$prefix}--form__helper-text {
     color: $disabled-02;
diff --git a/packages/components/src/components/list-box/_list-box.scss b/packages/components/src/components/list-box/_list-box.scss
index 255bef7c2628..ffa81bfe0c23 100644
--- a/packages/components/src/components/list-box/_list-box.scss
+++ b/packages/components/src/components/list-box/_list-box.scss
@@ -491,7 +491,7 @@ $list-box-menu-width: rem(300px);
     line-height: rem(16px);
     padding: rem(11px) 0;
     margin: 0 $carbon--spacing-05;
-    padding-right: rem(32px); // 40px - `$carbon--spacing-05`
+    padding-right: $carbon--spacing-06;
     border-top: 1px solid transparent;
     border-bottom: 1px solid transparent;
     border-top-color: $ui-03;
@@ -535,7 +535,7 @@ $list-box-menu-width: rem(300px);
 
   .#{$prefix}--list-box.#{$prefix}--list-box--inline
     .#{$prefix}--list-box__menu-item__option {
-    margin: 0 rem(32px) 0 $carbon--spacing-03;
+    margin: 0 $carbon--spacing-03;
 
     &:focus {
       margin: 0;