diff --git a/backend/submission.go b/backend/submission.go
index bca14a2e..3c655cac 100644
--- a/backend/submission.go
+++ b/backend/submission.go
@@ -42,8 +42,14 @@ func treatSubmission(pathname string, team_id string, exercice_id string) {
 		} else if solved {
 			exercice.Solved(team)
 			log.Printf("%s Team %d SOLVED exercice %d\n", id, team.Id, exercice.Id)
+			if err := os.Remove(pathname); err != nil {
+				log.Println(id, "[ERR]", err)
+			}
 		} else {
 			log.Printf("%s Team %d submit an invalid solution for exercice %d\n", id, team.Id, exercice.Id)
+			if err := os.Remove(pathname); err != nil {
+				log.Println(id, "[ERR]", err)
+			}
 		}
 	}
 }