diff --git a/appveyor.yml b/appveyor.yml
index aeed84b..2e3fd02 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -86,10 +86,6 @@ install:
   - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
   - "python --version"
 
-  # Upgrade to the latest version of pip to avoid it displaying warnings
-  # about it being out of date.
-  - "pip install --disable-pip-version-check --user --upgrade pip"
-
   # Install twine, support for 'bdist_wheel' and update setuptools.
   - "pip install --upgrade wheel setuptools twine"