diff --git a/.github/workflows/webpack.yml b/.github/workflows/webpack.yml
deleted file mode 100644
index cd19695e5f9..00000000000
--- a/.github/workflows/webpack.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: NodeJS with Webpack
-
-on:
-  push:
-    branches: ['main']
-  pull_request:
-    branches: ['main']
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [18.x, 20.x, 22.x]
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ matrix.node-version }}
-
-      - name: Build
-        run: |
-          npm install
-          npx webpack
diff --git a/packages/core/src/utils/filesearch/fileSearch.ts b/packages/core/src/utils/filesearch/fileSearch.ts
index 480d5815aa2..0874c09e2ad 100644
--- a/packages/core/src/utils/filesearch/fileSearch.ts
+++ b/packages/core/src/utils/filesearch/fileSearch.ts
@@ -109,7 +109,7 @@ export class FileSearch {
    * before performing any searches.
    */
   async initialize(): Promise<void> {
-    this.loadIgnoreRules();
+    await this.loadIgnoreRules();
     await this.crawlFiles();
     this.buildResultCache();
   }
@@ -199,18 +199,38 @@ export class FileSearch {
    * Loads ignore rules from .gitignore and .geminiignore files, and applies
    * any additional ignore directories specified in the options.
    */
-  private loadIgnoreRules(): void {
+  private async loadIgnoreRules(): Promise<void> {
+    const reads: Array<
+      Promise<{
+        type: 'gitignore' | 'geminiignore';
+        content: string | null;
+      }>
+    > = [];
+
     if (this.options.useGitignore) {
       const gitignorePath = path.join(this.absoluteDir, '.gitignore');
-      if (fs.existsSync(gitignorePath)) {
-        this.ignore.add(fs.readFileSync(gitignorePath, 'utf8'));
-      }
+      reads.push(
+        fs.promises
+          .readFile(gitignorePath, 'utf8')
+          .then((content) => ({ type: 'gitignore' as const, content }))
+          .catch(() => ({ type: 'gitignore' as const, content: null })),
+      );
     }
 
     if (this.options.useGeminiignore) {
       const geminiignorePath = path.join(this.absoluteDir, '.geminiignore');
-      if (fs.existsSync(geminiignorePath)) {
-        this.ignore.add(fs.readFileSync(geminiignorePath, 'utf8'));
+      reads.push(
+        fs.promises
+          .readFile(geminiignorePath, 'utf8')
+          .then((content) => ({ type: 'geminiignore' as const, content }))
+          .catch(() => ({ type: 'geminiignore' as const, content: null })),
+      );
+    }
+
+    const results = await Promise.all(reads);
+    for (const res of results) {
+      if (res.content !== null) {
+        this.ignore.add(res.content);
       }
     }
 
diff --git a/scripts/generate-git-commit-info.js b/scripts/generate-git-commit-info.js
index 7c4871ec4b9..d5a0da93cc2 100644
--- a/scripts/generate-git-commit-info.js
+++ b/scripts/generate-git-commit-info.js
@@ -50,6 +50,20 @@ const fileContent = `/**
  * SPDX-License-Identifier: Apache-2.0
  */
 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
 // This file is auto-generated by the build script (${scriptPath})
 // Do not edit this file manually.
 export const GIT_COMMIT_INFO = '${gitCommitInfo}';