diff --git a/core/src/browser/fs.ts b/core/src/browser/fs.ts
index 92525c260..164e3b647 100644
--- a/core/src/browser/fs.ts
+++ b/core/src/browser/fs.ts
@@ -37,8 +37,6 @@ const readdirSync = (...args: any[]) => globalThis.core.api?.readdirSync(...args
  */
 const mkdir = (...args: any[]) => globalThis.core.api?.mkdir(...args)
 
-const mkdir = (...args: any[]) => global.core.api?.mkdir(...args)
-
 /**
  * Removes a directory at the specified path.
  * @returns {Promise<any>} A Promise that resolves when the directory is removed successfully.
diff --git a/core/src/node/api/processors/fsExt.ts b/core/src/node/api/processors/fsExt.ts
index 9b88cfef9..4787da65b 100644
--- a/core/src/node/api/processors/fsExt.ts
+++ b/core/src/node/api/processors/fsExt.ts
@@ -88,28 +88,4 @@ export class FSExt implements Processor {
       })
     })
   }
-
-  mkdir(path: string): Promise<void> {
-    return new Promise((resolve, reject) => {
-      fs.mkdir(path, { recursive: true }, (err) => {
-        if (err) {
-          reject(err)
-        } else {
-          resolve()
-        }
-      })
-    })
-  }
-
-  rmdir(path: string): Promise<void> {
-    return new Promise((resolve, reject) => {
-      fs.rm(path, { recursive: true }, (err) => {
-        if (err) {
-          reject(err)
-        } else {
-          resolve()
-        }
-      })
-    })
-  }
 }
diff --git a/core/src/types/api/index.ts b/core/src/types/api/index.ts
index 58bd860b7..91d6ae755 100644
--- a/core/src/types/api/index.ts
+++ b/core/src/types/api/index.ts
@@ -95,8 +95,6 @@ export enum FileManagerRoute {
   getUserHomePath = 'getUserHomePath',
   fileStat = 'fileStat',
   writeBlob = 'writeBlob',
-  mkdir = 'mkdir',
-  rm = 'rm',
 }
 
 export type ApiFunction = (...args: any[]) => any
diff --git a/extensions/tensorrt-llm-extension/src/node/index.ts b/extensions/tensorrt-llm-extension/src/node/index.ts
index 269250d19..4dad464da 100644
--- a/extensions/tensorrt-llm-extension/src/node/index.ts
+++ b/extensions/tensorrt-llm-extension/src/node/index.ts
@@ -9,8 +9,6 @@ import {
   PromptTemplate,
 } from '@janhq/core/node'
 import decompress from 'decompress'
-import { SystemInformation } from '@janhq/core'
-import { PromptTemplate } from '@janhq/core'
 
 // Polyfill fetch with retry
 const fetchRetry = fetchRT(fetch)