diff --git a/appveyor.yml b/appveyor.yml
index e178a5c..e95ccfe 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -26,9 +26,6 @@ configuration:
   - release
 
 install:
-  - appveyor-retry choco install doxygen.portable
-  - appveyor-retry choco install graphviz.portable
-  # Setup the build toolchains.
   - '%QTDIR%\bin\qtenv2.bat'
   - qmake -v
   - if %QTDIR:_64=%==%QTDIR% ( set ARCH=x86 ) else set ARCH=x64