diff --git a/script/build.js b/script/build.js
index 69a6b5d2d..9b522f578 100644
--- a/script/build.js
+++ b/script/build.js
@@ -63,6 +63,9 @@ const stringWrappingPlugin = {
                 .replace(/"/g, '\\"')
                 .replace(/\n/g, "\\n")}";`,
               async () => {
+                await execPromise(
+                  "rm src/cubing/solve/worker-inside-generated.js",
+                );
                 console.log("updated worker-inside-generated-string.js");
                 resolve();
               },