diff --git a/appveyor.yml b/appveyor.yml
index 1214c1c..7a996e1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,10 +6,6 @@ install:
   - SET PATH=C:\Ruby%ruby_version%\bin;%PATH%
   - "%devkit64%\\devkitvars.bat"
   - "%devkit32%\\devkitvars.bat"
-  - ps: Start-FileDownload https://github.com/larskanis/rubyinstaller2/releases/download/2.4.0-7/rubyinstaller-2.4.0-7-x86.exe
-  - rubyinstaller-2.4.0-7-x86.exe TYPE=full /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /CLOSEAPPLICATIONS /NORESTARTAPPLICATIONS /DIR="C:\Ruby24"
-  - ps: Start-FileDownload https://github.com/larskanis/rubyinstaller2/releases/download/2.4.0-7/rubyinstaller-2.4.0-7-x64.exe
-  - rubyinstaller-2.4.0-7-x64.exe TYPE=full /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /CLOSEAPPLICATIONS /NORESTARTAPPLICATIONS /DIR="C:\Ruby24-x64"
   - ruby --version
   - gem --version
   - IF %msys2%==1 ridk.cmd enable