diff --git a/helpers/helpers.v2.1.d/config b/helpers/helpers.v2.1.d/config
index 4d4b74465..9e0127d36 100644
--- a/helpers/helpers.v2.1.d/config
+++ b/helpers/helpers.v2.1.d/config
@@ -22,7 +22,7 @@ _ynh_app_config_get_one() {
         if [[ "$bind" == "settings" ]]; then
             ynh_die --message="File '${short_setting}' can't be stored in settings"
         fi
-        old[$short_setting]="$(ls "$(echo $bind | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s@__FINALPATH__@${final_path:-}@ | sed s/__APP__/$app/)" 2>/dev/null || echo YNH_NULL)"
+        old[$short_setting]="$(ls "$(echo $bind | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s/__APP__/$app/)" 2>/dev/null || echo YNH_NULL)"
         file_hash[$short_setting]="true"
 
     # Get multiline text from settings or from a full file
@@ -32,7 +32,7 @@ _ynh_app_config_get_one() {
         elif [[ "$bind" == *":"* ]]; then
             ynh_die --message="For technical reasons, multiline text '${short_setting}' can't be stored automatically  in a variable file, you have to create custom getter/setter"
         else
-            old[$short_setting]="$(cat $(echo $bind | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s@__FINALPATH__@${final_path:-}@ | sed s/__APP__/$app/) 2>/dev/null || echo YNH_NULL)"
+            old[$short_setting]="$(cat $(echo $bind | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s/__APP__/$app/) 2>/dev/null || echo YNH_NULL)"
         fi
 
     # Get value from a kind of key/value file
@@ -47,7 +47,7 @@ _ynh_app_config_get_one() {
             bind_after="$(echo "${bind_key_}" | cut -d'>' -f1)"
             bind_key_="$(echo "${bind_key_}" | cut -d'>' -f2)"
         fi
-        local bind_file="$(echo "$bind" | cut -d: -f2 | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s@__FINALPATH__@${final_path:-}@ | sed s/__APP__/$app/)"
+        local bind_file="$(echo "$bind" | cut -d: -f2 | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s/__APP__/$app/)"
         old[$short_setting]="$(ynh_read_var_in_file --file="${bind_file}" --key="${bind_key_}" --after="${bind_after}")"
 
     fi
@@ -73,7 +73,7 @@ _ynh_app_config_apply_one() {
             if [[ "$bind" == "settings" ]]; then
                 ynh_die --message="File '${short_setting}' can't be stored in settings"
             fi
-            local bind_file="$(echo "$bind" | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s@__FINALPATH__@${final_path:-}@ | sed s/__APP__/$app/)"
+            local bind_file="$(echo "$bind" | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s/__APP__/$app/)"
             if [[ "${!short_setting}" == "" ]]; then
                 ynh_backup_if_checksum_is_different --file="$bind_file"
                 ynh_safe_rm --target="$bind_file"
@@ -98,7 +98,7 @@ _ynh_app_config_apply_one() {
             if [[ "$bind" == *":"* ]]; then
                 ynh_die --message="For technical reasons, multiline text '${short_setting}' can't be stored automatically  in a variable file, you have to create custom getter/setter"
             fi
-            local bind_file="$(echo "$bind" | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s@__FINALPATH__@${final_path:-}@ | sed s/__APP__/$app/)"
+            local bind_file="$(echo "$bind" | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s/__APP__/$app/)"
             ynh_backup_if_checksum_is_different --file="$bind_file"
             echo "${!short_setting}" >"$bind_file"
             ynh_store_file_checksum --file="$bind_file" --update_only
@@ -113,7 +113,7 @@ _ynh_app_config_apply_one() {
                 bind_key_="$(echo "${bind_key_}" | cut -d'>' -f2)"
             fi
             bind_key_=${bind_key_:-$short_setting}
-            local bind_file="$(echo "$bind" | cut -d: -f2 | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s@__FINALPATH__@${final_path:-}@ | sed s/__APP__/$app/)"
+            local bind_file="$(echo "$bind" | cut -d: -f2 | sed s@__INSTALL_DIR__@${install_dir:-}@ | sed s/__APP__/$app/)"
 
             ynh_backup_if_checksum_is_different --file="$bind_file"
             ynh_write_var_in_file --file="${bind_file}" --key="${bind_key_}" --value="${!short_setting}" --after="${bind_after}"
diff --git a/helpers/helpers.v2.1.d/nodejs b/helpers/helpers.v2.1.d/nodejs
index 72afd6b7a..d2ae2c1cc 100644
--- a/helpers/helpers.v2.1.d/nodejs
+++ b/helpers/helpers.v2.1.d/nodejs
@@ -25,7 +25,7 @@ export N_PREFIX="$n_install_dir"
 # However, $PATH is duplicated into $node_PATH to outlast any manipulation of `$PATH`
 # You can use the variable `$ynh_node_load_PATH` to quickly load your node version
 # in $PATH for an usage into a separate script.
-# Exemple: $ynh_node_load_PATH $final_path/script_that_use_npm.sh`
+# Exemple: $ynh_node_load_PATH $install_dir/script_that_use_npm.sh`
 #
 #
 # Finally, to start a nodejs service with the correct version, 2 solutions
diff --git a/helpers/helpers.v2.1.d/php b/helpers/helpers.v2.1.d/php
index a48b93ea5..158302962 100644
--- a/helpers/helpers.v2.1.d/php
+++ b/helpers/helpers.v2.1.d/php
@@ -289,7 +289,7 @@ YNH_COMPOSER_VERSION=${YNH_COMPOSER_VERSION:-$YNH_DEFAULT_COMPOSER_VERSION}
 # Execute a command with Composer
 #
 # usage: ynh_composer_exec [--workdir=$install_dir] --commands="commands"
-# | arg: -w, --workdir - The directory from where the command will be executed. Default $install_dir or $final_path
+# | arg: -w, --workdir - The directory from where the command will be executed. Default $install_dir
 # | arg: -c, --commands - Commands to execute.
 #
 # Requires YunoHost version 4.2 or higher.
@@ -299,7 +299,7 @@ ynh_composer_exec() {
     local workdir
     local commands
     ynh_handle_getopts_args "$@"
-    workdir="${workdir:-${install_dir:-$final_path}}"
+    workdir="${workdir:-${install_dir}}"
     # ===========================================
 
     COMPOSER_HOME="$workdir/.composer" COMPOSER_MEMORY_LIMIT=-1 \
diff --git a/helpers/helpers.v2.1.d/ruby b/helpers/helpers.v2.1.d/ruby
index 1b4f193bb..1a03d1d2e 100644
--- a/helpers/helpers.v2.1.d/ruby
+++ b/helpers/helpers.v2.1.d/ruby
@@ -29,7 +29,7 @@ fi
 # However, $PATH is duplicated into $ruby_path to outlast any manipulation of $PATH
 # You can use the variable `$ynh_ruby_load_path` to quickly load your Ruby version
 #  in $PATH for an usage into a separate script.
-# Exemple: $ynh_ruby_load_path $final_path/script_that_use_gem.sh`
+# Exemple: $ynh_ruby_load_path $install_dir/script_that_use_gem.sh`
 #
 #
 # Finally, to start a Ruby service with the correct version, 2 solutions
@@ -74,7 +74,7 @@ ynh_use_ruby () {
     ynh_ruby_load_path="PATH=$PATH"
 
     # Sets the local application-specific Ruby version
-    pushd ${install_dir:-$final_path}
+    pushd ${install_dir}
         $rbenv_install_dir/bin/rbenv local $ruby_version
     popd
 }
diff --git a/helpers/helpers.v2.1.d/utils b/helpers/helpers.v2.1.d/utils
index 9e122cb6b..cfe675144 100644
--- a/helpers/helpers.v2.1.d/utils
+++ b/helpers/helpers.v2.1.d/utils
@@ -268,9 +268,6 @@ ynh_setup_source() {
     if [ -n "${install_dir:-}" ] && [ "$dest_dir" == "$install_dir" ]; then
         _ynh_apply_default_permissions $dest_dir
     fi
-    if [ -n "${final_path:-}" ] && [ "$dest_dir" == "$final_path" ]; then
-        _ynh_apply_default_permissions $dest_dir
-    fi
 
     if [[ "$src_extract" == "false" ]]; then
         if [[ -z "$src_rename" ]]