diff --git a/htdocs/resource/class/resource.class.php b/htdocs/resource/class/resource.class.php
index c323ad17e69..ea575bc6ce8 100644
--- a/htdocs/resource/class/resource.class.php
+++ b/htdocs/resource/class/resource.class.php
@@ -393,7 +393,6 @@ class Resource extends CommonObject
     			}
     		}
     	}
-    	$sql.= " GROUP BY t.rowid";
     	$sql.= $this->db->order($sortfield,$sortorder);
         $this->num_all = 0;
         if (empty($conf->global->MAIN_DISABLE_FULL_SCANLIST))
@@ -473,7 +472,6 @@ class Resource extends CommonObject
    				}
    			}
    		}
-   		$sql.= " GROUP BY t.rowid";
     	$sql.= $this->db->order($sortfield,$sortorder);
    		if ($limit) $sql.= $this->db->plimit($limit+1,$offset);
    		dol_syslog(get_class($this)."::fetch_all", LOG_DEBUG);
@@ -559,7 +557,6 @@ class Resource extends CommonObject
     			}
     		}
     	}
-    	$sql.= " GROUP BY t.resource_id";
     	$sql.= $this->db->order($sortfield,$sortorder);
     	if ($limit) $sql.= $this->db->plimit($limit+1,$offset);
     	dol_syslog(get_class($this)."::fetch_all", LOG_DEBUG);