diff --git a/scripts/dbt-create-spack.sh b/scripts/dbt-create-spack.sh
index 86d9b16..7e96e92 100755
--- a/scripts/dbt-create-spack.sh
+++ b/scripts/dbt-create-spack.sh
@@ -49,10 +49,6 @@ else
     echo -e "INFO [`eval $timenow`]: creating a local spack instance under ${LOCAL_SPACK_DIR}. "
     existing_spack_dir=$( realpath $SPACK_RELEASES_DIR/$SPACK_RELEASE/spack-installation 2>/dev/null )
 
-    if [[ -z $existing_spack_dir ]]; then   # Backwards compatibility with the old directory structure
-	existing_spack_dir=$( realpath $SPACK_RELEASES_DIR/$SPACK_RELEASE/default/spack-installation )
-    fi
-
     stack_new_spack $existing_spack_dir $LOCAL_SPACK_DIR
 fi
 
diff --git a/scripts/dbt-setup-tools.sh b/scripts/dbt-setup-tools.sh
index 14c7c5b..b10920a 100644
--- a/scripts/dbt-setup-tools.sh
+++ b/scripts/dbt-setup-tools.sh
@@ -190,9 +190,6 @@ function spack_setup_env() {
     local spack_setup_script=""
     if [[ -z $LOCAL_SPACK_DIR ]]; then
 	spack_setup_script=$( realpath $SPACK_RELEASES_DIR/$SPACK_RELEASE/spack-installation/share/spack/setup-env.sh 2>/dev/null )
-	if [[ -z $spack_setup_script ]]; then   # Backwards compatibility with the old directory structure
-	    spack_setup_script=$( realpath $SPACK_RELEASES_DIR/$SPACK_RELEASE/default/spack-installation/share/spack/setup-env.sh )
-	fi
 
     else
 	echo -e "${COL_GREEN}Local spack directory is set, loading...${COL_RESET}\n"