diff --git a/gns3server/modules/dynamips/__init__.py b/gns3server/modules/dynamips/__init__.py
index 90ff9702..47cddc12 100644
--- a/gns3server/modules/dynamips/__init__.py
+++ b/gns3server/modules/dynamips/__init__.py
@@ -34,7 +34,6 @@ log = logging.getLogger(__name__)
 
 from gns3server.utils.interfaces import get_windows_interfaces, is_interface_up
 from gns3server.utils.asyncio import wait_run_in_executor
-from gns3server.utils.glob import glob_escape
 from pkg_resources import parse_version
 from uuid import UUID, uuid4
 from ..base_manager import BaseManager
@@ -169,11 +168,11 @@ class Dynamips(BaseManager):
         yield from super().project_closed(project)
         # delete useless Dynamips files
         project_dir = project.module_working_path(self.module_name.lower())
-        files = glob.glob(glob_escape(os.path.join(project_dir, "*.ghost")))
-        files += glob.glob(glob_escape(os.path.join(project_dir, "*_lock")))
-        files += glob.glob(glob_escape(os.path.join(project_dir, "ilt_*")))
-        files += glob.glob(glob_escape(os.path.join(project_dir, "c[0-9][0-9][0-9][0-9]_i[0-9]*_rommon_vars")))
-        files += glob.glob(glob_escape(os.path.join(project_dir, "c[0-9][0-9][0-9][0-9]_i[0-9]*_log.txt")))
+        files = glob.glob(glob.escape(os.path.join(project_dir, "*.ghost")))
+        files += glob.glob(glob.escape(os.path.join(project_dir, "*_lock")))
+        files += glob.glob(glob.escape(os.path.join(project_dir, "ilt_*")))
+        files += glob.glob(glob.escape(os.path.join(project_dir, "c[0-9][0-9][0-9][0-9]_i[0-9]*_rommon_vars")))
+        files += glob.glob(glob.escape(os.path.join(project_dir, "c[0-9][0-9][0-9][0-9]_i[0-9]*_log.txt")))
         for file in files:
             try:
                 log.debug("Deleting file {}".format(file))
diff --git a/gns3server/utils/glob.py b/gns3server/utils/glob.py
deleted file mode 100644
index 6198ced9..00000000
--- a/gns3server/utils/glob.py
+++ /dev/null
@@ -1,45 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2013 GNS3 Technologies Inc.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-import sys
-import re
-import os
-import glob
-
-
-def glob_escape(pathname):
-    """
-    Escape all special chars for glob.
-    For Python after 3.4 we use the glob.escape method.
-
-    :returns: Escaped path
-    """
-
-    if sys.version_info < (3, 4):
-        # Extracted from Python 3.4 source code
-        # Escaping is done by wrapping any of "*?[" between square brackets.
-        # Metacharacters do not work in the drive part and shouldn't be escaped.
-        magic_check = re.compile('([*?[])')
-        magic_check_bytes = re.compile(b'([*?[])')
-        drive, pathname = os.path.splitdrive(pathname)
-        if isinstance(pathname, bytes):
-            pathname = magic_check_bytes.sub(br'[\1]', pathname)
-        else:
-            pathname = magic_check.sub(r'[\1]', pathname)
-        return drive + pathname
-    else:
-        return glob.escape(pathname)