diff --git a/ChangeLog b/ChangeLog
index 472c3ffba81..e75961c24f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -14,7 +14,7 @@ WARNING:
 
 Following changes may create regressions for some external modules, but were necessary to make Dolibarr better:
 * Properties ->libelle_incoterms were renamed into ->label_incoterms
-
+* Removed the method liste_array() of project class. It was not used by core code.
 
 
 ***** ChangeLog for 10.0.0 compared to 9.0.0 *****
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index 6b1d5e0a07f..e185c190043 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -509,49 +509,6 @@ class Project extends CommonObject
         }
     }
 
-    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
-    /**
-     * 	Return list of projects
-     *
-     * 	@param		int		$socid		To filter on a particular third party
-     * 	@return		array				List of projects
-     */
-    public function liste_array($socid = '')
-    {
-        // phpcs:enable
-        global $conf;
-
-        $projects = array();
-
-        $sql = "SELECT rowid, title";
-        $sql.= " FROM " . MAIN_DB_PREFIX . "projet";
-        $sql.= " WHERE entity = " . $conf->entity;
-        if (! empty($socid)) $sql.= " AND fk_soc = " . $socid;
-
-        $resql = $this->db->query($sql);
-        if ($resql)
-        {
-            $nump = $this->db->num_rows($resql);
-
-            if ($nump)
-            {
-                $i = 0;
-                while ($i < $nump)
-                {
-                    $obj = $this->db->fetch_object($resql);
-
-                    $projects[$obj->rowid] = $obj->title;
-                    $i++;
-                }
-            }
-            return $projects;
-        }
-        else
-        {
-            print $this->db->lasterror();
-        }
-    }
-
     // phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
     /**
      * 	Return list of elements for type, linked to a project