diff --git a/libretroshare/src/services/p3chatservice.cc b/libretroshare/src/services/p3chatservice.cc
index 1010b6184..67261f9cc 100644
--- a/libretroshare/src/services/p3chatservice.cc
+++ b/libretroshare/src/services/p3chatservice.cc
@@ -1039,9 +1039,7 @@ void p3ChatService::statusChange(const std::list<pqipeer> &plist)
 
 							changed = true;
 
-							std::list<RsChatMsgItem *>::iterator cit1 = cit;
-							cit++;
-							privateOutgoingList.erase(cit1);
+							cit = privateOutgoingList.erase(cit);
 
 							continue;
 						}
diff --git a/libretroshare/src/services/p3msgservice.cc b/libretroshare/src/services/p3msgservice.cc
index e1f3d802b..3c5516502 100644
--- a/libretroshare/src/services/p3msgservice.cc
+++ b/libretroshare/src/services/p3msgservice.cc
@@ -879,9 +879,7 @@ bool    p3MsgService::removeMessageTagType(uint32_t tagId)
 					/* remove empty tag */
 					delete(tag);
 
-					std::map<uint32_t, RsMsgTags*>::iterator mit2 = mit1;
-					mit1++;
-					mMsgTags.erase(mit2);
+					mMsgTags.erase(mit1++);
 					continue;
 				}
 			}