diff --git a/scripts/prepublish.mjs b/scripts/prepublish.mjs
index 920e0b7b15..31d9a02386 100644
--- a/scripts/prepublish.mjs
+++ b/scripts/prepublish.mjs
@@ -278,14 +278,17 @@ if (existsSync(swcHelpersSrc) && !existsSync(swcHelpersDst)) {
   console.log("  ✅ @swc/helpers included in standalone build.");
 }
 
-// ── Step 10.6: Remove vscode-extension from standalone build ──
-// The vscode extension test runtime (vsda.node) is a platform-native binary
-// that triggers Z_DATA_ERROR during npm pack. Remove it from the bundle.
-const vscodeBuildDir = join(APP_DIR, "vscode-extension");
-if (existsSync(vscodeBuildDir)) {
-  console.log("  🧹 Removing app/vscode-extension/ (not needed in npm package)...");
-  rmSync(vscodeBuildDir, { recursive: true, force: true });
-  console.log("  ✅ app/vscode-extension/ removed.");
+// ── Step 10.6: Remove large binaries from standalone build ──
+// These directories contain platform-native binaries (.node, .asar) that
+// trigger Z_DATA_ERROR during npm pack. They are not needed in the npm package.
+const binaryDirsToRemove = ["vscode-extension", "electron"];
+for (const dir of binaryDirsToRemove) {
+  const targetDir = join(APP_DIR, dir);
+  if (existsSync(targetDir)) {
+    console.log(`  🧹 Removing app/${dir}/ (not needed in npm package)...`);
+    rmSync(targetDir, { recursive: true, force: true });
+    console.log(`  ✅ app/${dir}/ removed.`);
+  }
 }
 
 // ── Done ───────────────────────────────────────────────────