diff --git a/Atom-Linux/Makefile b/Atom-Linux/Makefile
index 2679f788f..2b393f82c 100644
--- a/Atom-Linux/Makefile
+++ b/Atom-Linux/Makefile
@@ -61,7 +61,7 @@ LIBS := -lX11 \
 	-lcef \
 	-lcef_dll_wrapper
 
-SOURCES=atom.cpp cefclient.cpp string_util.cpp native_handler.cpp cefclient_switches.cpp client_handler.cpp client_handler_gtk.cpp
+SOURCES=atom.cpp cefclient.cpp native_handler.cpp cefclient_switches.cpp client_handler.cpp client_handler_gtk.cpp
 OBJECTS=$(SOURCES:.cpp=.o)
 
 all:
diff --git a/Atom-Linux/cefclient.cpp b/Atom-Linux/cefclient.cpp
index 4145912ca..cf4e314cf 100644
--- a/Atom-Linux/cefclient.cpp
+++ b/Atom-Linux/cefclient.cpp
@@ -16,7 +16,6 @@
 #include "include/cef_web_urlrequest.h"
 #include "cefclient_switches.h"
 #include "client_handler.h"
-#include "string_util.h"
 #include "util.h"
 
 namespace {
diff --git a/Atom-Linux/client_handler.cpp b/Atom-Linux/client_handler.cpp
index d64251b3e..00f33658b 100644
--- a/Atom-Linux/client_handler.cpp
+++ b/Atom-Linux/client_handler.cpp
@@ -9,7 +9,6 @@
 #include "include/cef_browser.h"
 #include "include/cef_frame.h"
 #include "cefclient.h"
-#include "string_util.h"
 #include "native_handler.h"
 
 ClientHandler::ClientHandler() :
diff --git a/Atom-Linux/client_handler_gtk.cpp b/Atom-Linux/client_handler_gtk.cpp
index 8a9fe1a22..0e79ee246 100644
--- a/Atom-Linux/client_handler_gtk.cpp
+++ b/Atom-Linux/client_handler_gtk.cpp
@@ -7,7 +7,6 @@
 #include "client_handler.h"
 #include "include/cef_browser.h"
 #include "include/cef_frame.h"
-#include "string_util.h"
 
 // ClientHandler::ClientLifeSpanHandler implementation
 bool ClientHandler::OnBeforePopup(CefRefPtr<CefBrowser> parentBrowser,
diff --git a/Atom-Linux/string_util.cpp b/Atom-Linux/string_util.cpp
deleted file mode 100644
index 8952d1bf3..000000000
--- a/Atom-Linux/string_util.cpp
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright (c) 2010 The Chromium Embedded Framework Authors. All rights
-// reserved. Use of this source code is governed by a BSD-style license that
-// can be found in the LICENSE file.
-
-#include "string_util.h"
-#include <sstream>
-#include <string>
-#include "include/cef_request.h"
-
-void DumpRequestContents(CefRefPtr<CefRequest> request, std::string& str) {
-  std::stringstream ss;
-
-  ss << "URL: " << std::string(request->GetURL());
-  ss << "\nMethod: " << std::string(request->GetMethod());
-
-  CefRequest::HeaderMap headerMap;
-  request->GetHeaderMap(headerMap);
-  if (headerMap.size() > 0) {
-    ss << "\nHeaders:";
-    CefRequest::HeaderMap::const_iterator it = headerMap.begin();
-    for (; it != headerMap.end(); ++it) {
-      ss << "\n\t" << std::string((*it).first) << ": " <<
-          std::string((*it).second);
-    }
-  }
-
-  CefRefPtr<CefPostData> postData = request->GetPostData();
-  if (postData.get()) {
-    CefPostData::ElementVector elements;
-    postData->GetElements(elements);
-    if (elements.size() > 0) {
-      ss << "\nPost Data:";
-      CefRefPtr<CefPostDataElement> element;
-      CefPostData::ElementVector::const_iterator it = elements.begin();
-      for (; it != elements.end(); ++it) {
-        element = (*it);
-        if (element->GetType() == PDE_TYPE_BYTES) {
-          // the element is composed of bytes
-          ss << "\n\tBytes: ";
-          if (element->GetBytesCount() == 0) {
-            ss << "(empty)";
-          } else {
-            // retrieve the data.
-            size_t size = element->GetBytesCount();
-            char* bytes = new char[size];
-            element->GetBytes(size, bytes);
-            ss << std::string(bytes, size);
-            delete [] bytes;
-          }
-        } else if (element->GetType() == PDE_TYPE_FILE) {
-          ss << "\n\tFile: " << std::string(element->GetFile());
-        }
-      }
-    }
-  }
-
-  str = ss.str();
-}
-
-std::string StringReplace(const std::string& str, const std::string& from,
-                          const std::string& to) {
-  std::string result = str;
-  std::string::size_type pos = 0;
-  std::string::size_type from_len = from.length();
-  std::string::size_type to_len = to.length();
-  do {
-    pos = result.find(from, pos);
-    if (pos != std::string::npos) {
-      result.replace(pos, from_len, to);
-      pos += to_len;
-    }
-  } while (pos != std::string::npos);
-  return result;
-}
diff --git a/Atom-Linux/string_util.h b/Atom-Linux/string_util.h
deleted file mode 100644
index c43e6f210..000000000
--- a/Atom-Linux/string_util.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) 2010 The Chromium Embedded Framework Authors. All rights
-// reserved. Use of this source code is governed by a BSD-style license that
-// can be found in the LICENSE file.
-
-#ifndef CEF_TESTS_CEFCLIENT_STRING_UTIL_H_
-#define CEF_TESTS_CEFCLIENT_STRING_UTIL_H_
-#pragma once
-
-#include <string>
-#include "include/cef_base.h"
-
-class CefRequest;
-
-// Dump the contents of the request into a string.
-void DumpRequestContents(CefRefPtr<CefRequest> request, std::string& str);
-
-// Replace all instances of |from| with |to| in |str|.
-std::string StringReplace(const std::string& str, const std::string& from,
-                          const std::string& to);
-
-#endif  // CEF_TESTS_CEFCLIENT_STRING_UTIL_H_