diff --git a/CHANGELOG.md b/CHANGELOG.md
index e710e1a..1e01e44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how
 
 * workspace counter in status bar.
 
+## [2.4.0]
+
+### Removed
+
+- disuse config 'outputMarkdownSeparately'
+
 ## [2.3.0]
 
 ### Fixed
diff --git a/package.json b/package.json
index 2c841a1..45b6a3c 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "vscode-counter",
   "displayName": "VS Code Counter",
   "description": "Count lines of code in many programming languages.",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "publisher": "uctakeoff",
   "author": {
     "name": "Ushiyama Kentaro"
@@ -167,11 +167,6 @@
           "type": "boolean",
           "default": true
         },
-        "VSCodeCounter.outputMarkdownSeparately": {
-          "description": "%configuration.outputMarkdownSeparately.description%",
-          "type": "boolean",
-          "default": true
-        },
         "VSCodeCounter.outputPreviewType": {
           "description": "%configuration.outputPreviewType.description%",
           "type": "string",
diff --git a/package.nls.ja.json b/package.nls.ja.json
index e180468..9832161 100644
--- a/package.nls.ja.json
+++ b/package.nls.ja.json
@@ -18,7 +18,6 @@
   "configuration.outputAsText.description": "結果をテキストファイルで出力する.",
   "configuration.outputAsCSV.description": "結果をCSVファイルで出力する.",
   "configuration.outputAsMarkdown.description": "結果をMarkdown形式で出力する.",
-  "configuration.outputMarkdownSeparately.description": "Markdown結果を概要と詳細で分けて出力する.",
   "configuration.outputPreviewType.description": "カウント後にプレビューする出力ファイルの種類.",
   "configuration.saveLocation.description": "集めた言語設定を保存する場所を指定する.",
   "configuration.languages.description": "保存された言語設定.",
diff --git a/package.nls.json b/package.nls.json
index 362c9d7..ce1e339 100644
--- a/package.nls.json
+++ b/package.nls.json
@@ -18,7 +18,6 @@
   "configuration.outputAsText.description": "Whether to output the result as a text file.",
   "configuration.outputAsCSV.description": "Whether to output the result as a CSV file.",
   "configuration.outputAsMarkdown.description": "Whether to output the result as a Markdown file.",
-  "configuration.outputMarkdownSeparately.description": "Whether to output summary and details separately.",
   "configuration.outputPreviewType.description": "Type of output file to preview after counting.",
   "configuration.saveLocation.description": "Specify where to store the collected language configurations.",
   "configuration.languages.description": "Saved Language Configurations.",
diff --git a/src/extension.ts b/src/extension.ts
index 96f8553..f7a5e4e 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -88,7 +88,6 @@ const loadConfig = () => {
         outputAsText: conf.get('outputAsText', true),
         outputAsCSV: conf.get('outputAsCSV', true),
         outputAsMarkdown: conf.get('outputAsMarkdown', true),
-        outputMarkdownSeparately: conf.get('outputMarkdownSeparately', true),
     };
 }
 type Config = ReturnType<typeof loadConfig>;
@@ -544,13 +543,8 @@ const outputResults = async (date: Date, targetDirUri: vscode.Uri, results: Resu
     }
     if (conf.outputAsMarkdown) {
         try {
-            let resultsUri: vscode.Uri;
-            if (conf.outputMarkdownSeparately) {
-                await writeTextFile(outputDirUri, `${outputFilename}-details.md`, resultTable.toMarkdownDetails(date, `${outputFilename}.md`));
-                resultsUri = await writeTextFile(outputDirUri, `${outputFilename}.md`, resultTable.toMarkdownSummary(date, `${outputFilename}-details.md`));
-            } else {
-                resultsUri = await writeTextFile(outputDirUri, `${outputFilename}.md`, resultTable.toMarkdown(date));
-            }
+            await writeTextFile(outputDirUri, `${outputFilename}-details.md`, resultTable.toMarkdownDetails(date, `${outputFilename}.md`));
+            const resultsUri = await writeTextFile(outputDirUri, `${outputFilename}.md`, resultTable.toMarkdownSummary(date, `${outputFilename}-details.md`));
             if (conf.outputPreviewType === 'markdown') {
                 vscode.commands.executeCommand("markdown.showPreview", resultsUri);
             }