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