diff --git a/concepts/demographics/postgres/HeightWeightQuery.sql b/concepts/demographics/HeightWeightQuery.sql
similarity index 100%
rename from concepts/demographics/postgres/HeightWeightQuery.sql
rename to concepts/demographics/HeightWeightQuery.sql
diff --git a/concepts/demographics/postgres/Makefile b/concepts/demographics/Makefile
similarity index 100%
rename from concepts/demographics/postgres/Makefile
rename to concepts/demographics/Makefile
diff --git a/concepts/demographics/postgres/clean.sql b/concepts/demographics/clean.sql
similarity index 100%
rename from concepts/demographics/postgres/clean.sql
rename to concepts/demographics/clean.sql
diff --git a/concepts/demographics/postgres/icustay_detail.sql b/concepts/demographics/icustay_detail.sql
similarity index 100%
rename from concepts/demographics/postgres/icustay_detail.sql
rename to concepts/demographics/icustay_detail.sql