diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 2d06c086..205ae331 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -72,4 +72,4 @@ RUN curl -fsSL -o /opt/llvm.sh https://apt.llvm.org/llvm.sh \
 # Install R
 COPY ./build-gnur-in-docker.sh /workspace/tools/build-gnur-in-docker.sh
 RUN mkdir -p /workspace/external/R
-RUN cd /workspace/external ; bash ../tools/build-gnur-in-docker.sh R
\ No newline at end of file
+#RUN cd /workspace/external ; bash ../tools/build-gnur-in-docker.sh R
\ No newline at end of file
diff --git a/.devcontainer/build-gnur-in-docker.sh b/.devcontainer/build-gnur-in-docker.sh
index 36838db8..bb30c13f 100755
--- a/.devcontainer/build-gnur-in-docker.sh
+++ b/.devcontainer/build-gnur-in-docker.sh
@@ -59,6 +59,7 @@ if [[ ! -f ${R_DIR}/.git ]]; then
   # of the  script is used when building the Docker image
   echo "-> fetch modified R sources"
   git clone https://github.com/PRL-PRG/r-compiler-server-gnur
+  rm -rf "$R_DIR"
   mv r-compiler-server-gnur "$R_DIR"
 fi