diff --git a/src/core/output/outputStyleDecorate.ts b/src/core/output/outputStyleDecorate.ts
index 2304e140d..8d2a8db96 100644
--- a/src/core/output/outputStyleDecorate.ts
+++ b/src/core/output/outputStyleDecorate.ts
@@ -75,8 +75,7 @@ export const generateHeader = (config: RepomixConfigMerged, generationDate: stri
   const processingInfo =
     processingNotes.length > 0 ? ` The content has been processed where ${processingNotes.join(', ')}.` : '';
 
-  return `${description}, combined into a single document.${processingInfo}
-Generated by Repomix on: ${generationDate}`;
+  return `${description}, combined into a single document by Repomix.${processingInfo}`;
 };
 
 export const generateSummaryPurpose = (): string => {
diff --git a/tests/integration-tests/fixtures/packager/outputs/simple-project-output.txt b/tests/integration-tests/fixtures/packager/outputs/simple-project-output.txt
index 5330b377a..3ea525d1d 100644
--- a/tests/integration-tests/fixtures/packager/outputs/simple-project-output.txt
+++ b/tests/integration-tests/fixtures/packager/outputs/simple-project-output.txt
@@ -1,4 +1,4 @@
-This file is a merged representation of the entire codebase, combined into a single document.
+This file is a merged representation of the entire codebase, combined into a single document by Repomix.
 
 ================================================================
 File Summary
diff --git a/tests/integration-tests/fixtures/packager/outputs/simple-project-output.xml b/tests/integration-tests/fixtures/packager/outputs/simple-project-output.xml
index 94d10f407..48ad7c6c0 100644
--- a/tests/integration-tests/fixtures/packager/outputs/simple-project-output.xml
+++ b/tests/integration-tests/fixtures/packager/outputs/simple-project-output.xml
@@ -1,4 +1,4 @@
-This file is a merged representation of the entire codebase, combined into a single document.
+This file is a merged representation of the entire codebase, combined into a single document by Repomix.
 
 <file_summary>
 This section contains a summary of this file.
diff --git a/tests/integration-tests/packager.test.ts b/tests/integration-tests/packager.test.ts
index fbf72da1d..34b9084c7 100644
--- a/tests/integration-tests/packager.test.ts
+++ b/tests/integration-tests/packager.test.ts
@@ -121,11 +121,8 @@ describe.runIf(!isWindows)('packager integration', () => {
       });
 
       // Read the actual and expected outputs
-      let actualOutput = await fs.readFile(actualOutputPath, 'utf-8');
-      let expectedOutput = await fs.readFile(expectedOutputPath, 'utf-8');
-
-      actualOutput = actualOutput.replace(/^Generated by Repomix on:.*\n/gm, '');
-      expectedOutput = expectedOutput.replace(/^Generated by Repomix on:.*\n/gm, '');
+      const actualOutput = await fs.readFile(actualOutputPath, 'utf-8');
+      const expectedOutput = await fs.readFile(expectedOutputPath, 'utf-8');
 
       // Compare the outputs
       expect(actualOutput).toBe(expectedOutput);