diff --git a/inst/csv/OMOP_CDMv5.4_Field_Level.csv b/inst/csv/OMOP_CDMv5.4_Field_Level.csv
index 569eaf4..5c75983 100644
--- a/inst/csv/OMOP_CDMv5.4_Field_Level.csv
+++ b/inst/csv/OMOP_CDMv5.4_Field_Level.csv
@@ -542,7 +542,7 @@ COHORT,cohort_definition_id,Yes,integer,,,No,No,,,,,
 COHORT,subject_id,Yes,integer,,,No,No,,,,,
 COHORT,cohort_start_date,Yes,date,,,No,No,,,,,
 COHORT,cohort_end_date,Yes,date,,,No,No,,,,,
-COHORT_DEFINITION,cohort_definition_id,Yes,integer,"This is the identifier given to the cohort, usually by the ATLAS application",,No,Yes,COHORT,COHORT_DEFINITION_ID,,,
+COHORT_DEFINITION,cohort_definition_id,Yes,integer,"This is the identifier given to the cohort, usually by the ATLAS application",,No,No,,,,,
 COHORT_DEFINITION,cohort_definition_name,Yes,varchar(255),A short description of the cohort,,No,No,,,,,
 COHORT_DEFINITION,cohort_definition_description,No,varchar(MAX),A complete description of the cohort.,,No,No,,,,,
 COHORT_DEFINITION,definition_type_concept_id,Yes,integer,Type defining what kind of Cohort Definition the record represents and how the syntax may be executed.,,No,Yes,CONCEPT,CONCEPT_ID,,,