diff --git a/apps/remix-ide/src/app/files/fileManager.ts b/apps/remix-ide/src/app/files/fileManager.ts
index 2ad2ea4aa9..da8f97c8b0 100644
--- a/apps/remix-ide/src/app/files/fileManager.ts
+++ b/apps/remix-ide/src/app/files/fileManager.ts
@@ -272,7 +272,13 @@ class FileManager extends Plugin {
       await this._handleIsDir(src, `Cannot copy from ${src}. Path is not a directory.`)
       await this._handleExists(dest, `Cannot paste content into ${dest}. Path does not exist.`)
       await this._handleIsDir(dest, `Cannot paste content into ${dest}. Path is not directory.`)
-      await this.inDepthCopy(src, dest)
+
+      const provider = this.fileProviderOf(src)
+      if (provider.isSubDirectory(src, dest)) {
+        this.call('notification', 'toast', 'File(s) to paste is an ancestor of the destination folder')
+      } else {
+        await this.inDepthCopy(src, dest)
+      }
     } catch (e) {
       throw new Error(e)
     }
diff --git a/apps/remix-ide/src/app/files/fileProvider.js b/apps/remix-ide/src/app/files/fileProvider.js
index 2176bc53b8..61e751ee62 100644
--- a/apps/remix-ide/src/app/files/fileProvider.js
+++ b/apps/remix-ide/src/app/files/fileProvider.js
@@ -3,6 +3,7 @@
 import { CompilerImports } from '@remix-project/core-plugin'
 const EventManager = require('events')
 const remixLib = require('@remix-project/remix-lib')
+const pathModule = require('path')
 const Storage = remixLib.Storage
 
 class FileProvider {
@@ -308,6 +309,14 @@ class FileProvider {
   _normalizePath (path) {
     return this.type + path
   }
+
+  isSubDirectory (parent, child) {
+    if (!parent) return false
+    if (parent === child) return true
+    const relative = pathModule.relative(parent, child)
+
+    return !!relative && relative.split(pathModule.sep)[0] !== '..'
+  }
 }
 
 module.exports = FileProvider
diff --git a/apps/remix-ide/src/app/files/workspaceFileProvider.js b/apps/remix-ide/src/app/files/workspaceFileProvider.js
index 505be72b8c..3fcd635fcf 100644
--- a/apps/remix-ide/src/app/files/workspaceFileProvider.js
+++ b/apps/remix-ide/src/app/files/workspaceFileProvider.js
@@ -49,14 +49,6 @@ class WorkspaceFileProvider extends FileProvider {
     return ret
   }
 
-  isSubDirectory (parent, child) {
-    if (!parent) return false
-    if (parent === child) return true
-    const relative = pathModule.relative(parent, child)
-
-    return !!relative && relative.split(pathModule.sep)[0] !== '..'
-  }
-
   resolveDirectory (path, callback) {
     super.resolveDirectory(path, (error, files) => {
       if (error) return callback(error)
diff --git a/apps/remix-ide/src/app/panels/tab-proxy.js b/apps/remix-ide/src/app/panels/tab-proxy.js
index c3a897b7d6..bc8a7c4c8f 100644
--- a/apps/remix-ide/src/app/panels/tab-proxy.js
+++ b/apps/remix-ide/src/app/panels/tab-proxy.js
@@ -190,15 +190,6 @@ export class TabProxy extends Plugin {
   }
 
   renameTab (oldName, newName) {
-    this.addTab(newName, '', async () => {
-      await this.fileManager.open(newName)
-      this.event.emit('openFile', newName)
-    },
-    async () => {
-      await this.fileManager.closeFile(newName)
-      this.event.emit('closeFile', newName)
-      this.emit('closeFile', newName)
-    })
     this.removeTab(oldName)
   }