diff --git a/extra/gap-buffer/authors.txt b/unmaintained/gap-buffer/authors.txt similarity index 100% rename from extra/gap-buffer/authors.txt rename to unmaintained/gap-buffer/authors.txt diff --git a/extra/gap-buffer/cursortree/authors.txt b/unmaintained/gap-buffer/cursortree/authors.txt similarity index 100% rename from extra/gap-buffer/cursortree/authors.txt rename to unmaintained/gap-buffer/cursortree/authors.txt diff --git a/extra/gap-buffer/cursortree/cursortree-tests.factor b/unmaintained/gap-buffer/cursortree/cursortree-tests.factor similarity index 100% rename from extra/gap-buffer/cursortree/cursortree-tests.factor rename to unmaintained/gap-buffer/cursortree/cursortree-tests.factor diff --git a/extra/gap-buffer/cursortree/cursortree.factor b/unmaintained/gap-buffer/cursortree/cursortree.factor similarity index 100% rename from extra/gap-buffer/cursortree/cursortree.factor rename to unmaintained/gap-buffer/cursortree/cursortree.factor diff --git a/extra/gap-buffer/cursortree/summary.txt b/unmaintained/gap-buffer/cursortree/summary.txt similarity index 100% rename from extra/gap-buffer/cursortree/summary.txt rename to unmaintained/gap-buffer/cursortree/summary.txt diff --git a/extra/gap-buffer/gap-buffer-tests.factor b/unmaintained/gap-buffer/gap-buffer-tests.factor similarity index 100% rename from extra/gap-buffer/gap-buffer-tests.factor rename to unmaintained/gap-buffer/gap-buffer-tests.factor diff --git a/extra/gap-buffer/gap-buffer.factor b/unmaintained/gap-buffer/gap-buffer.factor similarity index 100% rename from extra/gap-buffer/gap-buffer.factor rename to unmaintained/gap-buffer/gap-buffer.factor diff --git a/extra/gap-buffer/summary.txt b/unmaintained/gap-buffer/summary.txt similarity index 100% rename from extra/gap-buffer/summary.txt rename to unmaintained/gap-buffer/summary.txt diff --git a/extra/gap-buffer/tags.txt b/unmaintained/gap-buffer/tags.txt similarity index 100% rename from extra/gap-buffer/tags.txt rename to unmaintained/gap-buffer/tags.txt diff --git a/extra/trees/authors.txt b/unmaintained/trees/authors.txt similarity index 100% rename from extra/trees/authors.txt rename to unmaintained/trees/authors.txt diff --git a/extra/trees/avl-tree/avl-tree-tests.factor b/unmaintained/trees/avl-tree/avl-tree-tests.factor similarity index 100% rename from extra/trees/avl-tree/avl-tree-tests.factor rename to unmaintained/trees/avl-tree/avl-tree-tests.factor diff --git a/extra/trees/avl-tree/avl-tree.factor b/unmaintained/trees/avl-tree/avl-tree.factor similarity index 100% rename from extra/trees/avl-tree/avl-tree.factor rename to unmaintained/trees/avl-tree/avl-tree.factor diff --git a/extra/trees/bst/bst-tests.factor b/unmaintained/trees/bst/bst-tests.factor similarity index 100% rename from extra/trees/bst/bst-tests.factor rename to unmaintained/trees/bst/bst-tests.factor diff --git a/extra/trees/bst/bst.factor b/unmaintained/trees/bst/bst.factor similarity index 100% rename from extra/trees/bst/bst.factor rename to unmaintained/trees/bst/bst.factor diff --git a/extra/trees/summary.txt b/unmaintained/trees/summary.txt similarity index 100% rename from extra/trees/summary.txt rename to unmaintained/trees/summary.txt diff --git a/extra/trees/tags.txt b/unmaintained/trees/tags.txt similarity index 100% rename from extra/trees/tags.txt rename to unmaintained/trees/tags.txt diff --git a/extra/trees/trees.factor b/unmaintained/trees/trees.factor similarity index 100% rename from extra/trees/trees.factor rename to unmaintained/trees/trees.factor