diff --git a/src/pip/_internal/utils/ui.py b/src/pip/_internal/utils/ui.py
index ae1cbed06..0902ce71e 100644
--- a/src/pip/_internal/utils/ui.py
+++ b/src/pip/_internal/utils/ui.py
@@ -8,8 +8,8 @@ import time
 from signal import SIGINT, default_int_handler, signal
 
 from pip._vendor import six
+from pip._vendor.progress import HIDE_CURSOR, SHOW_CURSOR
 from pip._vendor.progress.bar import Bar, FillingCirclesBar, IncrementalBar
-from pip._vendor.progress.helpers import HIDE_CURSOR, SHOW_CURSOR, WritelnMixin
 from pip._vendor.progress.spinner import Spinner
 
 from pip._internal.utils.compat import WINDOWS
@@ -224,7 +224,7 @@ class DownloadBlueEmojiProgressBar(BaseDownloadProgressBar,  # type: ignore
 
 
 class DownloadProgressSpinner(WindowsMixin, InterruptibleMixin,
-                              DownloadProgressMixin, WritelnMixin, Spinner):
+                              DownloadProgressMixin, Spinner):
 
     file = sys.stdout
     suffix = "%(downloaded)s %(download_speed)s"
diff --git a/src/pip/_vendor/progress/helpers.py b/src/pip/_vendor/progress/helpers.py
deleted file mode 100644
index 0cde44ec2..000000000
--- a/src/pip/_vendor/progress/helpers.py
+++ /dev/null
@@ -1,91 +0,0 @@
-# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com>
-#
-# Permission to use, copy, modify, and distribute this software for any
-# purpose with or without fee is hereby granted, provided that the above
-# copyright notice and this permission notice appear in all copies.
-#
-# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-from __future__ import print_function
-
-
-HIDE_CURSOR = '\x1b[?25l'
-SHOW_CURSOR = '\x1b[?25h'
-
-
-class WriteMixin(object):
-    hide_cursor = False
-
-    def __init__(self, message=None, **kwargs):
-        super(WriteMixin, self).__init__(**kwargs)
-        self._width = 0
-        if message:
-            self.message = message
-
-        if self.file and self.file.isatty():
-            if self.hide_cursor:
-                print(HIDE_CURSOR, end='', file=self.file)
-            print(self.message, end='', file=self.file)
-            self.file.flush()
-
-    def write(self, s):
-        if self.file and self.file.isatty():
-            b = '\b' * self._width
-            c = s.ljust(self._width)
-            print(b + c, end='', file=self.file)
-            self._width = max(self._width, len(s))
-            self.file.flush()
-
-    def finish(self):
-        if self.file and self.file.isatty() and self.hide_cursor:
-            print(SHOW_CURSOR, end='', file=self.file)
-
-
-class WritelnMixin(object):
-    hide_cursor = False
-
-    def __init__(self, message=None, **kwargs):
-        super(WritelnMixin, self).__init__(**kwargs)
-        if message:
-            self.message = message
-
-        if self.file and self.file.isatty() and self.hide_cursor:
-            print(HIDE_CURSOR, end='', file=self.file)
-
-    def clearln(self):
-        if self.file and self.file.isatty():
-            print('\r\x1b[K', end='', file=self.file)
-
-    def writeln(self, line):
-        if self.file and self.file.isatty():
-            self.clearln()
-            print(line, end='', file=self.file)
-            self.file.flush()
-
-    def finish(self):
-        if self.file and self.file.isatty():
-            print(file=self.file)
-            if self.hide_cursor:
-                print(SHOW_CURSOR, end='', file=self.file)
-
-
-from signal import signal, SIGINT
-from sys import exit
-
-
-class SigIntMixin(object):
-    """Registers a signal handler that calls finish on SIGINT"""
-
-    def __init__(self, *args, **kwargs):
-        super(SigIntMixin, self).__init__(*args, **kwargs)
-        signal(SIGINT, self._sigint_handler)
-
-    def _sigint_handler(self, signum, frame):
-        self.finish()
-        exit(0)