diff --git a/src/UIShell/HamburgerMenu.svelte b/src/UIShell/HamburgerMenu.svelte
index c5be0db9..bf69cdfa 100644
--- a/src/UIShell/HamburgerMenu.svelte
+++ b/src/UIShell/HamburgerMenu.svelte
@@ -6,7 +6,7 @@
   export let ariaLabel = undefined;
 
   /** Set to `true` to toggle the open state */
-  export let isOpen = false;
+  export let open = false;
 
   /**
    * Specify the icon to render for the closed state.
@@ -39,7 +39,7 @@
   class:bx--header__menu-toggle="{true}"
   {...$$restProps}
   on:click
-  on:click="{() => (isOpen = !isOpen)}"
+  on:click="{() => (open = !open)}"
 >
-  <svelte:component this="{isOpen ? iconClose : iconMenu}" size="{20}" />
+  <svelte:component this="{open ? iconClose : iconMenu}" size="{20}" />
 </button>
diff --git a/src/UIShell/Header.svelte b/src/UIShell/Header.svelte
index 3574f01e..1d92d71e 100644
--- a/src/UIShell/Header.svelte
+++ b/src/UIShell/Header.svelte
@@ -84,7 +84,7 @@
   <slot name="skip-to-content" />
   {#if ($shouldRenderHamburgerMenu && winWidth < expansionBreakpoint) || persistentHamburgerMenu}
     <HamburgerMenu
-      bind:isOpen="{isSideNavOpen}"
+      bind:open="{isSideNavOpen}"
       iconClose="{iconClose}"
       iconMenu="{iconMenu}"
     />
diff --git a/src/UIShell/HeaderAction.svelte b/src/UIShell/HeaderAction.svelte
index 185bf045..70432f00 100644
--- a/src/UIShell/HeaderAction.svelte
+++ b/src/UIShell/HeaderAction.svelte
@@ -5,7 +5,7 @@
    */
 
   /** Set to `true` to open the panel */
-  export let isOpen = false;
+  export let open = false;
 
   /**
    * Specify the icon to render when the action panel is closed.
@@ -54,12 +54,12 @@
 <svelte:window
   on:click="{({ target }) => {
     if (
-      isOpen &&
+      open &&
       !ref.contains(target) &&
       !refPanel.contains(target) &&
       !preventCloseOnClickOutside
     ) {
-      isOpen = false;
+      open = false;
       dispatch('close');
     }
   }}"
@@ -69,16 +69,16 @@
   bind:this="{ref}"
   type="button"
   class:bx--header__action="{true}"
-  class:bx--header__action--active="{isOpen}"
+  class:bx--header__action--active="{open}"
   class:action-text="{text}"
   {...$$restProps}
   on:click
   on:click|stopPropagation="{() => {
-    isOpen = !isOpen;
-    dispatch(isOpen ? 'open' : 'close');
+    open = !open;
+    dispatch(open ? 'open' : 'close');
   }}"
 >
-  {#if isOpen}
+  {#if open}
     <slot name="closeIcon">
       <svelte:component this="{closeIcon}" size="{20}" />
     </slot>
@@ -91,7 +91,7 @@
     {#if text}<span>{text}</span>{/if}
   </slot>
 </button>
-{#if isOpen}
+{#if open}
   <div
     bind:this="{refPanel}"
     class:bx--header-panel="{true}"
diff --git a/src/UIShell/SideNav.svelte b/src/UIShell/SideNav.svelte
index 7ba772b3..fa9b32cf 100644
--- a/src/UIShell/SideNav.svelte
+++ b/src/UIShell/SideNav.svelte
@@ -18,7 +18,7 @@
   export let ariaLabel = undefined;
 
   /** Set to `true` to toggle the expanded state */
-  export let isOpen = false;
+  export let open = false;
 
   /**
    * The window width (px) at which the SideNav is expanded and the hamburger menu is hidden.
@@ -42,8 +42,8 @@
 
   let winWidth = undefined;
 
-  $: dispatch(isOpen ? "open" : "close");
-  $: $isSideNavCollapsed = !isOpen;
+  $: dispatch(open ? "open" : "close");
+  $: $isSideNavCollapsed = !open;
   $: $isSideNavRail = rail;
 
   onMount(() => {
@@ -60,23 +60,23 @@
   <div
     on:click="{() => {
       dispatch('click:overlay');
-      isOpen = false;
+      open = false;
     }}"
     class:bx--side-nav__overlay="{true}"
-    class:bx--side-nav__overlay-active="{isOpen}"
-    style:z-index="{isOpen ? 6000 : undefined}"
+    class:bx--side-nav__overlay-active="{open}"
+    style:z-index="{open ? 6000 : undefined}"
   ></div>
 {/if}
 <nav
-  aria-hidden="{!isOpen}"
+  aria-hidden="{!open}"
   aria-label="{ariaLabel}"
   class:bx--side-nav__navigation="{true}"
   class:bx--side-nav="{true}"
   class:bx--side-nav--ux="{true}"
   class:bx--side-nav--expanded="{rail && winWidth >= expansionBreakpoint
     ? false
-    : isOpen}"
-  class:bx--side-nav--collapsed="{!isOpen && !rail}"
+    : open}"
+  class:bx--side-nav--collapsed="{!open && !rail}"
   class:bx--side-nav--rail="{rail}"
   {...$$restProps}
 >