diff --git a/Netezza/OMOP CDM netezza primary keys.txt b/Netezza/OMOP CDM netezza primary keys.txt
index 112593b..282cc3e 100644
--- a/Netezza/OMOP CDM netezza primary keys.txt	
+++ b/Netezza/OMOP CDM netezza primary keys.txt	
@@ -100,8 +100,6 @@ ALTER TABLE observation_period ADD CONSTRAINT xpk_observation_period PRIMARY KEY
 
 ALTER TABLE specimen ADD CONSTRAINT xpk_specimen PRIMARY KEY ( specimen_id ) ;
 
-ALTER TABLE death ADD CONSTRAINT xpk_death PRIMARY KEY ( person_id ) ;
-
 ALTER TABLE visit_occurrence ADD CONSTRAINT xpk_visit_occurrence PRIMARY KEY ( visit_occurrence_id ) ;
 
 ALTER TABLE visit_detail ADD CONSTRAINT xpk_visit_detail PRIMARY KEY ( visit_detail_id ) ;