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