diff --git a/frontend/src/ts/controllers/theme-controller.ts b/frontend/src/ts/controllers/theme-controller.ts
index aca22ffa4a43..5c3e339a6774 100644
--- a/frontend/src/ts/controllers/theme-controller.ts
+++ b/frontend/src/ts/controllers/theme-controller.ts
@@ -138,6 +138,7 @@ async function set(
 
 export async function clearPreview(applyTheme = true): Promise<void> {
   previewState = null;
+  debouncedPreview.cancel();
 
   if (isPreviewingTheme) {
     isPreviewingTheme = false;