diff --git a/drop_table.sql b/drop_table.sql
index 5435067..b4577f9 100644
--- a/drop_table.sql
+++ b/drop_table.sql
@@ -14,4 +14,6 @@ DROP TABLE PAIS;
 DROP TABLE ATLETA;
 DROP TABLE CATEGORIA;
 DROP TABLE MEDALLA;
+DROP TABLE PERTENECER;
+DROP TABLE COMPETER_POR;
 PURGE RECYCLEBIN;