diff --git a/app/assets/javascripts/services/themeManager.ts b/app/assets/javascripts/services/themeManager.ts
index 2648397a0..2c9b36d63 100644
--- a/app/assets/javascripts/services/themeManager.ts
+++ b/app/assets/javascripts/services/themeManager.ts
@@ -97,7 +97,6 @@ export class ThemeManager extends ApplicationService {
   }
 
   deinit() {
-    this.deactivateAllThemes();
     this.activeThemes.length = 0;
     this.unregisterDesktop();
     this.unregisterStream();
@@ -128,7 +127,6 @@ export class ThemeManager extends ApplicationService {
     }
   }
 
-  /** @override */
   async onAppStart() {
     super.onAppStart();
     this.registerObservers();