diff --git a/appveyor.yml b/appveyor.yml
index 089a90d..005f92b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -16,7 +16,6 @@ environment:
   - R_VERSION: 4.2.3
     R_ARCH: x64
     BIOC_USE_DEVEL: FALSE
-    USE_RTOOLS: TRUE
     PKGTYPE: binary
 
 branches:
@@ -24,10 +23,8 @@ branches:
     - main
 
 build_script:
-  - Rscript -e install.packages('https://cloud.r-project.org/bin/windows/contrib/4.2/Matrix_1.6-5.zip',type='source',repos=NULL)
   - travis-tool.sh install_bioc_deps
   - travis-tool.sh install_deps
-  - travis-tool.sh install_bioc GENESIS
   - travis-tool.sh install_github xihaoli/STAAR
 
 test_script: