diff --git a/.eslintrc.yml b/.eslintrc.yml
index c4a349d..dab2ab9 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -161,7 +161,7 @@ rules: # https://eslint.org/docs/rules/
   - error
   - max: 1
   no-native-reassign: error
-  no-negated-condition: error
+  no-negated-condition: 'off'
   no-negated-in-lhs: error
   no-nested-ternary: error
   no-new: error
diff --git a/action.yml b/action.yml
index 79d2cfa..7c9fd9e 100644
--- a/action.yml
+++ b/action.yml
@@ -28,3 +28,4 @@ inputs:
 runs:
   using: "node16"
   main: "lib/index.js"
+  post: "lib/index.js"
diff --git a/lib/index.js b/lib/index.js
index 54a1263..d668a03 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -2720,6 +2720,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
+exports.getSshDirectory = void 0;
 const fs_1 = __importDefault(__nccwpck_require__(147));
 const path_1 = __importDefault(__nccwpck_require__(17));
 const core = __importStar(__nccwpck_require__(186));
@@ -2738,6 +2739,24 @@ catch (err) {
  * main function
  */
 function main() {
+    if (!isPost()) {
+        setup();
+    }
+    else {
+        cleanup();
+    }
+}
+/**
+ * is post process?
+ * @returns Yes/No
+ */
+function isPost() {
+    return Boolean(core.getState("isPost"));
+}
+/**
+ * setup function
+ */
+function setup() {
     // parameters
     const key = core.getInput("key", {
         required: true,
@@ -2788,19 +2807,46 @@ function main() {
     }
     console.log(`SSH key has been stored to ${sshDirName} successfully.`);
 }
+/**
+ * cleanup function
+ */
+function cleanup() {
+    // remove ".ssh" directory
+    const sshDirName = removeSshDirectory();
+    console.log(`SSH keys in ${sshDirName} has been removed successfully.`);
+}
 /**
  * create ".ssh" directory
  * @returns directory name
  */
 function createSshDirectory() {
-    const home = getHomeDirectory();
-    const dirName = path_1.default.resolve(home, ".ssh");
+    const dirName = getSshDirectory();
     fs_1.default.mkdirSync(dirName, {
         recursive: true,
         mode: 0o700,
     });
     return dirName;
 }
+/**
+ * remove ".ssh" directory
+ * @returns removed directory name
+ */
+function removeSshDirectory() {
+    const dirName = getSshDirectory();
+    fs_1.default.rmSync(dirName, {
+        recursive: true,
+        force: true,
+    });
+    return dirName;
+}
+/**
+ * get SSH directory
+ * @returns SSH directory name
+ */
+function getSshDirectory() {
+    return path_1.default.resolve(getHomeDirectory(), ".ssh");
+}
+exports.getSshDirectory = getSshDirectory;
 /**
  * get home directory
  * @returns home directory name
diff --git a/src/main.ts b/src/main.ts
index 34a4536..b6ce5cd 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -25,6 +25,25 @@ try {
  * main function
  */
 function main(): void {
+    if (!isPost()) {
+        setup();
+    } else {
+        cleanup();
+    }
+}
+
+/**
+ * is post process?
+ * @returns Yes/No
+ */
+function isPost(): boolean {
+    return Boolean(core.getState("isPost"));
+}
+
+/**
+ * setup function
+ */
+function setup(): void {
     // parameters
     const key = core.getInput("key", {
         required: true,
@@ -80,13 +99,22 @@ function main(): void {
     console.log(`SSH key has been stored to ${sshDirName} successfully.`);
 }
 
+/**
+ * cleanup function
+ */
+function cleanup(): void {
+    // remove ".ssh" directory
+    const sshDirName = removeSshDirectory();
+
+    console.log(`SSH keys in ${sshDirName} has been removed successfully.`);
+}
+
 /**
  * create ".ssh" directory
  * @returns directory name
  */
 function createSshDirectory(): string {
-    const home = getHomeDirectory();
-    const dirName = path.resolve(home, ".ssh");
+    const dirName = getSshDirectory();
     fs.mkdirSync(dirName, {
         recursive: true,
         mode: 0o700,
@@ -94,6 +122,27 @@ function createSshDirectory(): string {
     return dirName;
 }
 
+/**
+ * remove ".ssh" directory
+ * @returns removed directory name
+ */
+function removeSshDirectory(): string {
+    const dirName = getSshDirectory();
+    fs.rmSync(dirName, {
+        recursive: true,
+        force: true,
+    });
+    return dirName;
+}
+
+/**
+ * get SSH directory
+ * @returns SSH directory name
+ */
+export function getSshDirectory(): string {
+    return path.resolve(getHomeDirectory(), ".ssh");
+}
+
 /**
  * get home directory
  * @returns home directory name