diff --git a/extra/combinators/cleave/authors.txt b/unmaintained/combinators/cleave/authors.txt
similarity index 100%
rename from extra/combinators/cleave/authors.txt
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diff --git a/extra/combinators/cleave/cleave-tests.factor b/unmaintained/combinators/cleave/cleave-tests.factor
similarity index 100%
rename from extra/combinators/cleave/cleave-tests.factor
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diff --git a/extra/combinators/cleave/cleave.factor b/unmaintained/combinators/cleave/cleave.factor
similarity index 100%
rename from extra/combinators/cleave/cleave.factor
rename to unmaintained/combinators/cleave/cleave.factor