diff --git a/extra/csv/authors.txt b/basis/csv/authors.txt
similarity index 100%
rename from extra/csv/authors.txt
rename to basis/csv/authors.txt
diff --git a/extra/csv/csv-docs.factor b/basis/csv/csv-docs.factor
similarity index 100%
rename from extra/csv/csv-docs.factor
rename to basis/csv/csv-docs.factor
diff --git a/extra/csv/csv-tests.factor b/basis/csv/csv-tests.factor
similarity index 100%
rename from extra/csv/csv-tests.factor
rename to basis/csv/csv-tests.factor
diff --git a/extra/csv/csv.factor b/basis/csv/csv.factor
similarity index 100%
rename from extra/csv/csv.factor
rename to basis/csv/csv.factor
diff --git a/extra/csv/summary.txt b/basis/csv/summary.txt
similarity index 100%
rename from extra/csv/summary.txt
rename to basis/csv/summary.txt