diff --git a/ext/src/background/action.ts b/ext/src/background/action.ts
index dee30a6..ac8ecb4 100644
--- a/ext/src/background/action.ts
+++ b/ext/src/background/action.ts
@@ -8,8 +8,6 @@ const ACTION_ICON_DEFAULT_LIGHT = "icons/cast-default-light.svg";
 const ACTION_ICON_CONNECTING_DARK = "icons/cast-connecting-dark.svg";
 const ACTION_ICON_CONNECTING_LIGHT = "icons/cast-connecting-light.svg";
 const ACTION_ICON_CONNECTED = "icons/cast-connected.svg";
-const ACTION_ICON_DISABLED_DARK = "icons/cast-disabled-dark.svg";
-const ACTION_ICON_DISABLED_LIGHT = "icons/cast-disabled-light.svg";
 
 const isDarkTheme = window.matchMedia("(prefers-color-scheme: dark)").matches;
 
@@ -23,13 +21,16 @@ export enum ActionState {
 /** Updates action details depending on given state. */
 export function updateActionState(state: ActionState, tabId?: number) {
     let title: string;
-    let path: string;
+    let path = isDarkTheme
+        ? ACTION_ICON_DEFAULT_LIGHT
+        : ACTION_ICON_DEFAULT_DARK;
+
     switch (state) {
         case ActionState.Default:
             title = _("actionTitleDefault");
-            path = isDarkTheme
-                ? ACTION_ICON_DEFAULT_LIGHT
-                : ACTION_ICON_DEFAULT_DARK;
+            break;
+        case ActionState.Disabled:
+            title = _("actionTitleDisabled");
             break;
         case ActionState.Connecting:
             title = _("actionTitleConnecting");
@@ -41,12 +42,6 @@ export function updateActionState(state: ActionState, tabId?: number) {
             title = _("actionTitleConnected");
             path = ACTION_ICON_CONNECTED;
             break;
-        case ActionState.Disabled:
-            title = _("actionTitleDisabled");
-            path = isDarkTheme
-                ? ACTION_ICON_DISABLED_LIGHT
-                : ACTION_ICON_DISABLED_DARK;
-            break;
     }
 
     if (state === ActionState.Disabled) {
@@ -62,8 +57,6 @@ export function updateActionState(state: ActionState, tabId?: number) {
 export function initAction() {
     logger.info("init (action)");
 
-    updateActionState(ActionState.Default);
-
     browser.browserAction.onClicked.addListener(async tab => {
         if (tab.id === undefined) {
             logger.error("Tab ID not found in browser action handler.");
diff --git a/ext/src/icons/cast-disabled-dark.svg b/ext/src/icons/cast-disabled-dark.svg
deleted file mode 100644
index 2fc65f5..0000000
--- a/ext/src/icons/cast-disabled-dark.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="rgba(12, 12, 13, 0.8)" fill-opacity="0.5">
-    <path d="M12 1H4a3 3 0 0 0-3 3v2h2V4a1 1 0 0 1 1-1h8a1 1 0 0 1 1 1v8a1 1 0 0 1-1 1h-2v2h2a3 3 0 0 0 3-3V4a3 3 0 0 0-3-3z"/>
-    <path d="M1 15v-2a2 2 0 0 1 2 2H1zM7 15h2a8 8 0 0 0-8-8v2a6 6 0 0 1 6 6z"/>
-    <path d="M1 12a3 3 0 0 1 3 3h2a5 5 0 0 0-5-5z"/>
-</svg>
diff --git a/ext/src/icons/cast-disabled-light.svg b/ext/src/icons/cast-disabled-light.svg
deleted file mode 100644
index 093c366..0000000
--- a/ext/src/icons/cast-disabled-light.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="rgba(249, 249, 250, 0.8)" fill-opacity="0.5">
-    <path d="M12 1H4a3 3 0 0 0-3 3v2h2V4a1 1 0 0 1 1-1h8a1 1 0 0 1 1 1v8a1 1 0 0 1-1 1h-2v2h2a3 3 0 0 0 3-3V4a3 3 0 0 0-3-3z"/>
-    <path d="M1 15v-2a2 2 0 0 1 2 2H1zM7 15h2a8 8 0 0 0-8-8v2a6 6 0 0 1 6 6z"/>
-    <path d="M1 12a3 3 0 0 1 3 3h2a5 5 0 0 0-5-5z"/>
-</svg>