diff --git a/install_spack_env.sh b/install_spack_env.sh
index 8de4f7df37a81b20618a26a5d049aafad9622038..312326254bde83a0a532d0e3690aaf0aa97166b2 100644
--- a/install_spack_env.sh
+++ b/install_spack_env.sh
@@ -79,52 +79,6 @@ if [[ ! $(spack mirror list | grep local_cache) ]]; then
     spack mirror add local_cache ${SPACK_CACHE_BUILD}
 fi
 
-# install platform compiler (extract version from packages.yaml)
-if [ $SYSTEMNAME == ebrainslab ]
-then
-    EBRAINS_SPACK_COMPILER=$(grep 'compiler' $EBRAINS_REPO/site-config/$SYSTEMNAME/packages.yaml | awk -F'[][]' '{ print $2 }')
-    spack compiler find
-    spack load $EBRAINS_SPACK_COMPILER || {
-        # dump dag to file
-        spack spec -y $EBRAINS_SPACK_COMPILER arch=x86_64 > "/tmp/req_compiler.yaml"
-        if [ -n "${OCI_CACHE_PREFIX}" ]; then
-            # fetch missing sources (if packages not yet installed)
-            python3 ${YASHCHIKI_HOME}/fetch_cached_sources.py \
-                --local-cache=${SPACK_CACHE_SOURCE} \
-                --remote-cache-type=oci \
-                --remote-cache=${OCI_CACHE_PREFIX}/source_cache \
-                --yashchiki-home=${YASHCHIKI_HOME} \
-                /tmp/compiler_missing_paths_sources.dat /tmp/req_compiler.yaml
-            # fetch missing build results (if packages not yet installed)
-            python3 ${YASHCHIKI_HOME}/fetch_cached_buildresults.py \
-                --local-cache=${SPACK_CACHE_BUILD}/build_cache \
-                --remote-cache-type=oci \
-                --remote-cache=${OCI_CACHE_PREFIX}/build_cache \
-                --yashchiki-home=${YASHCHIKI_HOME} \
-                /tmp/compiler_missing_paths_buildresults.dat /tmp/req_compiler.yaml
-        fi
-        spack install --no-check-signature -y -j$SPACK_JOBS $EBRAINS_SPACK_COMPILER arch=x86_64
-        if [ -n "${OCI_CACHE_PREFIX}" ] && [ "${UPDATE_SPACK_OCI_CACHES:-false}" = "true" ]; then
-            echo "Performing update of the source cache (for base compiler)"
-            python3 ${YASHCHIKI_HOME}/update_cached_sources.py \
-                --local-cache=${SPACK_CACHE_SOURCE} \
-                --remote-cache-type=oci \
-                --remote-cache=${OCI_CACHE_PREFIX}/source_cache \
-                /tmp/compiler_missing_paths_sources.dat
-            # push previously missing (but now installed) packages to the local cache
-            spack buildcache create --unsigned ${SPACK_CACHE_BUILD} ${EBRAINS_SPACK_COMPILER} && ret=$? || ret=$?
-            # upload packages from local to remote cache
-            echo "Performing update of the build cache (for base compiler)"
-            python3 ${YASHCHIKI_HOME}/update_cached_buildresults.py \
-                --local-cache=${SPACK_CACHE_BUILD}/build_cache \
-                --remote-cache-type=oci \
-                --remote-cache=${OCI_CACHE_PREFIX}/build_cache \
-                /tmp/compiler_missing_paths_buildresults.dat
-        fi
-        spack load $EBRAINS_SPACK_COMPILER
-    }
-fi
-
 spack compiler find
 
 # create environment if it does not exist