diff --git a/check_process b/check_process
index adfefd2b..edf1827d 100644
--- a/check_process
+++ b/check_process
@@ -24,6 +24,8 @@
 		upgrade=1	from_commit=9c7d0ff114bb0bd3482901fde4bd82b494aa2e6d
 		# 0.10.10~ynh1
 		upgrade=1	from_commit=1aa406fb124b92f03b1bb69fc3462936d5227278
+		# 0.10.10~ynh3
+		upgrade=1	from_commit=2a796e30dd521a5022586bc7fe59d189210028a4
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
@@ -42,3 +44,5 @@ Notification=all
 		name=0.10.9~ynh3
 	; commit=1aa406fb124b92f03b1bb69fc3462936d5227278
 		name=0.10.10~ynh1
+	; commit=2a796e30dd521a5022586bc7fe59d189210028a4
+		name=0.10.10~ynh3
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 546e9301..36dff3fc 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "ActivityPub Federated Image Sharing",
         "fr": "Logiciel de partage d'image fédéré via ActivityPub"
     },
-    "version": "0.10.10~ynh3",
+    "version": "0.10.10~ynh4",
     "url": "https://pixelfed.org/",
     "license": "AGPL-3.0-or-later",
     "maintainer": [
diff --git a/scripts/install b/scripts/install
index 4911d50b..5c87cd7c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -7,7 +7,6 @@
 #=================================================
 
 source _common.sh
-source ynh_composer__3
 source ynh_supervisor
 source /usr/share/yunohost/helpers
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 46f7a3ce..ff8f38e5 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,7 +7,6 @@
 #=================================================
 
 source _common.sh
-source ynh_composer__3
 source ynh_supervisor
 source /usr/share/yunohost/helpers
 
diff --git a/scripts/ynh_composer__3 b/scripts/ynh_composer__3
deleted file mode 100644
index ca68a656..00000000
--- a/scripts/ynh_composer__3
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/bin/bash
-
-readonly YNH_DEFAULT_COMPOSER_VERSION=1.10.17
-# Declare the actual composer version to use.
-# A packager willing to use another version of composer can override the variable into its _common.sh.
-YNH_COMPOSER_VERSION=${YNH_COMPOSER_VERSION:-$YNH_DEFAULT_COMPOSER_VERSION}
-
-# Execute a command with Composer
-#
-# usage: ynh_composer_exec [--phpversion=phpversion] [--workdir=$final_path] --commands="commands"
-# | arg: -v, --phpversion - PHP version to use with composer
-# | arg: -w, --workdir - The directory from where the command will be executed. Default $final_path.
-# | arg: -c, --commands - Commands to execute.
-ynh_composer_exec () {
-	# Declare an array to define the options of this helper.
-	local legacy_args=vwc
-	declare -Ar args_array=( [v]=phpversion= [w]=workdir= [c]=commands= )
-	local phpversion
-	local workdir
-	local commands
-	# Manage arguments with getopts
-	ynh_handle_getopts_args "$@"
-	workdir="${workdir:-$final_path}"
-	phpversion="${phpversion:-$YNH_PHP_VERSION}"
-
-	COMPOSER_HOME="$workdir/.composer" \
-		php${phpversion} "$workdir/composer.phar" $commands \
-		-d "$workdir" --quiet --no-interaction
-}
-
-# Install and initialize Composer in the given directory
-#
-# usage: ynh_install_composer [--phpversion=phpversion] [--workdir=$final_path] [--install_args="--optimize-autoloader"] [--composerversion=composerversion]
-# | arg: -v, --phpversion - PHP version to use with composer
-# | arg: -w, --workdir - The directory from where the command will be executed. Default $final_path.
-# | arg: -a, --install_args - Additional arguments provided to the composer install. Argument --no-dev already include
-# | arg: -c, --composerversion - Composer version to install
-ynh_install_composer () {
-	# Declare an array to define the options of this helper.
-	local legacy_args=vwa
-	declare -Ar args_array=( [v]=phpversion= [w]=workdir= [a]=install_args= [c]=composerversion=)
-	local phpversion
-	local workdir
-	local install_args
-	local composerversion
-	# Manage arguments with getopts
-	ynh_handle_getopts_args "$@"
-	workdir="${workdir:-$final_path}"
-	phpversion="${phpversion:-$YNH_PHP_VERSION}"
-	install_args="${install_args:-}"
-	composerversion="${composerversion:-$YNH_COMPOSER_VERSION}"
-
-	curl -sS https://getcomposer.org/installer \
-		| COMPOSER_HOME="$workdir/.composer" \
-		php${phpversion} -- --quiet --install-dir="$workdir" --version=$composerversion \
-		|| ynh_die "Unable to install Composer."
-
-	# update dependencies to create composer.lock
-	ynh_composer_exec --phpversion="${phpversion}" --workdir="$workdir" --commands="install --no-dev $install_args" \
-		|| ynh_die "Unable to update core dependencies with Composer."
-}