diff --git a/.RData b/.RData
deleted file mode 100644
index 38f250d..0000000
Binary files a/.RData and /dev/null differ
diff --git a/.Rhistory b/.Rhistory
deleted file mode 100644
index e69de29..0000000
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b8a172b..67a9496 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -34,6 +34,8 @@ jobs:
         with:
           use-public-rspm: true
           r-version: '4'
+      - run: echo "LD_LIBRARY_PATH=$(R RHOME)/lib:$LD_LIBRARY_PATH" >> $GITHUB_ENV
+        if: matrix.os == 'ubuntu-latest'
       - run: Rscript -e 'install.packages("sirus")'
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
diff --git a/.gitignore b/.gitignore
index f302d34..4d58117 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,6 @@ tmp**
 
 paper/*.pdf
 paper/*.jats
+
+.RData
+.Rhistory