diff --git a/lib/chromiumPathFilter.js b/lib/chromiumPathFilter.js
new file mode 100644
index 0000000000..e2f4a004f6
--- /dev/null
+++ b/lib/chromiumPathFilter.js
@@ -0,0 +1,11 @@
+module.exports = function chromiumPathFilter (s) {
+  return s.length > 0 &&
+    !s.startsWith('chrome/app/theme/default') &&
+    !s.startsWith('chrome/app/theme/brave') &&
+    !s.startsWith('chrome/app/theme/chromium') &&
+    !s.endsWith('.png') && !s.endsWith('.xtb') &&
+    !s.endsWith('.grd') && !s.endsWith('.grdp') &&
+    !s.includes('google_update_idl') &&
+    !s.endsWith('new_tab_page_view.xml') &&
+    !s.endsWith('channel_constants.xml')
+}
\ No newline at end of file
diff --git a/lib/gitPatcher.js b/lib/gitPatcher.js
index f735a93417..e9a46c89af 100644
--- a/lib/gitPatcher.js
+++ b/lib/gitPatcher.js
@@ -56,6 +56,65 @@ module.exports = class GitPatcher {
     }
   }
 
+  async resetNonPatchedChanges (onChangeFound, repoPathFilter) {
+    // 1. iterate changes in working dir
+    // 2. is there a corresponding patch file
+    //   - yes? do nothing
+    //   - no? ask to reset
+
+    // Validate
+    if (typeof onChangeFound !== 'function') {
+      throw new Error('onChangeFound must be a function')
+    }
+    const patchDirExists = await fs.exists(this.patchDirPath)
+    if (!patchDirExists) {
+      return
+    }
+
+    // Get files changes, filtered to non-patched and also files we care about
+    this.logProgressLine('Getting modified paths from git...')
+    let modifiedPaths = await util.gitGetModifiedPaths(this.repoPath)
+    this.logProgressLine(`Got ${modifiedPaths.length} modified paths.`)
+    if (typeof repoPathFilter === 'function') {
+      // ignore paths requested in param
+      modifiedPaths = modifiedPaths.filter(repoPathFilter)
+    }
+    // ignore patched paths
+    const patchInfoPaths = (await fs.readdir(this.patchDirPath))
+      .filter(s => s.endsWith(`.${extPatchInfo}`))
+      .map(p => path.join(this.patchDirPath, p))
+    this.logProgress(os.EOL + 'Getting all patched paths...')
+    const ops = []
+    const patchedPaths = []
+    for (const patchInfoPath of patchInfoPaths) {
+      const op = this.getPatchInfo(patchInfoPath).then(patchInfo => {
+        this.logProgress('.')
+        patchedPaths.push(...patchInfo.appliesTo.map(a => a.path))
+      })
+      ops.push(op)
+    }
+    await Promise.all(ops)
+    this.logProgressLine(`Got ${patchedPaths.length} patched paths.`)
+    if (patchedPaths.length) {
+      modifiedPaths = modifiedPaths.filter(p => !patchedPaths.includes(p))
+      this.logProgressLine(`Filtered to ${modifiedPaths.length} modified non-patched paths to reset.`)
+    }
+    // Ask for reset for each
+    const filesToReset = []
+    for (const p of modifiedPaths) {
+      const diffContent = await util.runGitAsync(this.repoPath, ['diff', '--color=always', '--', p])
+      const shouldReset = await onChangeFound(p, diffContent)
+      if (shouldReset) {
+        filesToReset.push(p)
+      }
+    }
+    this.logProgressLine(`Resetting ${filesToReset.length} files:`, filesToReset)
+    if (filesToReset.length) {
+      await this.resetRepoFiles(filesToReset)
+    }
+    return
+  }
+
   async applyPatches () {
     // STRATEGY:
     // 1. iterate .patch files in dir
diff --git a/lib/updatePatches.js b/lib/updatePatches.js
index 07ffb85ab7..d9029b4d51 100644
--- a/lib/updatePatches.js
+++ b/lib/updatePatches.js
@@ -5,11 +5,7 @@ const util = require('../lib/util')
 const desiredReplacementSeparator = '-'
 const patchExtension = '.patch'
 
-async function getModifiedPaths (gitRepoPath) {
-  const modifiedDiffArgs = ['diff', '--diff-filter=M', '--name-only', '--ignore-space-at-eol']
-  const cmdOutput = await util.runAsync('git', modifiedDiffArgs, { cwd: gitRepoPath })
-  return cmdOutput.split('\n').filter(s => s)
-}
+
 
 async function writePatchFiles (modifiedPaths, gitRepoPath, patchDirPath) {
   // replacing forward slashes and adding the patch extension to get nice filenames
@@ -95,7 +91,7 @@ async function removeStalePatchFiles (patchFilenames, patchDirPath, keepPatchFil
  * @param {*} [keepPatchFilenames=[]] Patch filenames to never delete
  */
 async function updatePatches (gitRepoPath, patchDirPath, repoPathFilter, keepPatchFilenames = []) {
-  let modifiedPaths = await getModifiedPaths(gitRepoPath)
+  let modifiedPaths = await util.gitGetModifiedPaths(gitRepoPath)
   if (typeof repoPathFilter === 'function') {
     modifiedPaths = modifiedPaths.filter(repoPathFilter)
   }
diff --git a/lib/util.js b/lib/util.js
index 612677b115..ccaebc0911 100755
--- a/lib/util.js
+++ b/lib/util.js
@@ -89,6 +89,12 @@ const util = {
       })
   },
 
+  gitGetModifiedPaths: async function (gitRepoPath, verbose = false, logError = false) {
+    const modifiedDiffArgs = ['diff', '--diff-filter=M', '--name-only', '--ignore-space-at-eol']
+    const cmdOutput = await util.runGitAsync(gitRepoPath, modifiedDiffArgs, verbose, logError)
+    return cmdOutput.split('\n').filter(s => s)
+  },
+
   buildGClientConfig: () => {
     function replacer(key, value) {
       return value;
diff --git a/package.json b/package.json
index 9a5678da63..7f5a582c3a 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
     "versions": "node ./scripts/commands.js versions",
     "upload": "node ./scripts/commands.js upload",
     "update_patches": "node ./scripts/commands.js update_patches",
-    "apply_patches": "node ./scripts/sync.js --run_hooks",
+    "apply_patches": "npm run sync",
+    "reset_non_patched": "node ./scripts/reset-non-patched.js",
     "start": "node ./scripts/commands.js start",
     "network-audit": "node ./scripts/commands.js start --enable_brave_update --network_log --user_data_dir_name=brave-network-test",
     "push_l10n": "node ./scripts/commands.js push_l10n",
diff --git a/scripts/reset-non-patched.js b/scripts/reset-non-patched.js
new file mode 100644
index 0000000000..a06679d618
--- /dev/null
+++ b/scripts/reset-non-patched.js
@@ -0,0 +1,55 @@
+// Copyright (c) 2019 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// you can obtain one at http://mozilla.org/MPL/2.0/.
+
+const path = require('path')
+const os = require('os')
+const readline = require('readline')
+const program = require('commander')
+const fs = require('fs-extra')
+const chalk = require('chalk')
+const config = require('../lib/config')
+const util = require('../lib/util')
+const GitPatcher = require('../lib/gitPatcher')
+const chromiumRepoPathFilter = require('../lib/chromiumPathFilter')
+program
+  .version(process.env.npm_package_version)
+
+async function RunCommand () {
+  program.parse(process.argv)
+  config.update(program)
+  
+  const coreRepoPath = config.projects['brave-core'].dir
+  const patchesPath = path.join(coreRepoPath, 'patches')
+  const v8PatchesPath = path.join(patchesPath, 'v8')
+  const chromiumRepoPath = config.projects['chrome'].dir
+  const v8RepoPath = path.join(chromiumRepoPath, 'v8')
+  const chromiumPatcher = new GitPatcher(patchesPath, chromiumRepoPath)
+  const v8Patcher = new GitPatcher(v8PatchesPath, v8RepoPath)
+  
+  const rl = readline.createInterface(process.stdin, process.stdout)
+  function onChangeFound(modifiedPath, diffContent) {
+    console.log(chalk.blue('---------'))
+    console.log(diffContent)
+    return new Promise(resolve => {
+      rl.question(`Reset file at: ${modifiedPath}? y/[n]`, answer => {
+        resolve(answer.length && answer.toLowerCase()[0] === 'y')
+      })
+    })
+  }
+
+  const chromiumPatchStatus = await chromiumPatcher.resetNonPatchedChanges(onChangeFound, chromiumRepoPathFilter)
+  const v8PatchStatus = await v8Patcher.resetNonPatchedChanges(onChangeFound)
+}
+
+console.log('Brave reset non-patched files starting')
+RunCommand()
+.then(() => {
+  console.log('Brave reset complete')
+  process.exit(0)
+})
+.catch((err) => {
+  console.error('Brave reset ERROR:')
+  console.error(err)
+})
diff --git a/scripts/updatePatches.js b/scripts/updatePatches.js
index 0a4c4b7cb2..8a97597630 100644
--- a/scripts/updatePatches.js
+++ b/scripts/updatePatches.js
@@ -1,16 +1,7 @@
 const path = require('path')
 const config = require('../lib/config')
 const updatePatches = require('../lib/updatePatches')
-
-const chromiumPathFilter = (s) => s.length > 0 &&
-  !s.startsWith('chrome/app/theme/default') &&
-  !s.startsWith('chrome/app/theme/brave') &&
-  !s.startsWith('chrome/app/theme/chromium') &&
-  !s.endsWith('.png') && !s.endsWith('.xtb') &&
-  !s.endsWith('.grd') && !s.endsWith('.grdp') &&
-  !s.endsWith('new_tab_page_view.xml') &&
-  !s.endsWith('channel_constants.xml') &&
-  !s.includes('google_update_idl')
+const chromiumPathFilter = require('../lib/chromiumPathFilter')
 
 module.exports = function RunCommand (options) {
   config.update(options)