diff --git a/scripts/_common.sh b/scripts/_common.sh
index 788440e..83fd3d9 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -53,23 +53,13 @@ install_sources() {
             pip3 install --upgrade setuptools wheel pip
         fi
 
-        temp_requirement=$(mktemp)
-        cp $YNH_APP_BASEDIR/conf/requirement_$(lsb_release --codename --short).txt $temp_requirement
-        chown $synapse_user:root $temp_requirement
-
-        chown $synapse_user:root -R $final_path
         pip3 install --upgrade cffi ndg-httpsclient psycopg2 lxml jinja2
-        sudo -u $synapse_user env PATH=$PATH pip3 install --upgrade -r $temp_requirement
-        ynh_secure_remove $temp_requirement
+        pip3 install --upgrade -r $YNH_APP_BASEDIR/conf/requirement_$(lsb_release --codename --short).txt
 
         # This function was defined when we called "source $final_path/bin/activate". With this function we undo what "$final_path/bin/activate" does
         set +$u_arg;
         deactivate
         set -$u_arg;
-
-        # Remove Rust to reduce backup size
-        ynh_secure_remove --file=$final_path/.rustup
-        ynh_secure_remove --file=$final_path/.cargo
     fi
 }