diff --git a/scripts/parallel_index.sh b/scripts/parallel_index.sh
index 13f1ac7..a8c0178 100755
--- a/scripts/parallel_index.sh
+++ b/scripts/parallel_index.sh
@@ -3,7 +3,6 @@
 # Define PSQL connection parameters
 DB_USER="unipept"
 DB_PASSWORD="unipept"
-DB_HOST="localhost"
 DB_NAME="unipept"
 
 # Function to add an index in the background
diff --git a/scripts/parallel_load.sh b/scripts/parallel_load.sh
index 85ee682..e87e00f 100755
--- a/scripts/parallel_load.sh
+++ b/scripts/parallel_load.sh
@@ -3,7 +3,6 @@ shopt -s expand_aliases
 # Define PSQL connection parameters
 export DB_USER="unipept"
 export DB_PASSWORD="unipept"
-export DB_HOST="localhost"
 export DB_NAME="unipept"
 
 dir="$1"
@@ -21,7 +20,7 @@ function load_table() {
     else
         lz4cat $file
     fi
-    } | PGPASSWORD=$DB_PASSWORD psql -U $DB_USER -h "$DB_HOST" -c "COPY $DB_NAME.$tbl FROM STDIN WITH (FORMAT TEXT, DELIMITER E'\t', HEADER false, NULL '\N');" 2>&1
+    } | PGPASSWORD=$DB_PASSWORD psql -U $DB_USER -c "COPY $DB_NAME.$tbl FROM STDIN WITH (FORMAT TEXT, DELIMITER E'\t', HEADER false, NULL '\N');" 2>&1
 }
 
 export -f load_table