diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 6e1050a..64df660 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -27,6 +27,11 @@ jobs:
       with:
         python-version: '${{ matrix.python-version }}'
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.cache/
+        key: dot-cache-files
+
     - name: 'Install package'
       run: |
         pip3 install poetry
diff --git a/scripts/_common.sh b/scripts/_common.sh
index faab65e..24083aa 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -85,17 +85,3 @@ ynh_redis_remove_db() {
 	redis-cli -n "$db" flushall
 }
 
-#=================================================
-
-# Execute a command as another user
-# usage: ynh_exec_as USER COMMAND [ARG ...]
-ynh_exec_as() {
-  local USER=$1
-  shift 1
-
-  if [[ $USER = $(whoami) ]]; then
-    eval "$@"
-  else
-    sudo -u "$USER" "$@"
-  fi
-}
diff --git a/scripts/install b/scripts/install
index 3480b9f..751ca6f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -230,7 +230,7 @@ fi
 #=================================================
 # Start the app server via systemd
 #=================================================
-ynh_script_progression --message="Starting django_example_ynh's services..." --weight=5
+ynh_script_progression --message="Starting the application..." --weight=5
 
 ynh_systemd_action --service_name="$app" --action="start"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index d211280..08bb3a3 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -209,7 +209,7 @@ chmod o-rwx "$final_path"
 #=================================================
 # Start the app server via systemd
 #=================================================
-ynh_script_progression --message="Starting django_example_ynh's services..." --weight=5
+ynh_script_progression --message="Starting the application..." --weight=5
 
 ynh_systemd_action --service_name="$app" --action="start"