diff --git a/chicken/build b/chicken/build
deleted file mode 100755
index 4f3dd54..0000000
--- a/chicken/build
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh -e
-
-make PLATFORM=linux PREFIX=/usr
-
-export MAKEFLAGS="$MAKEFLAGS -j1"
-make PLATFORM=linux PREFIX=/usr DESTDIR="$1" install
diff --git a/chicken/checksums b/chicken/checksums
deleted file mode 100644
index 7a880a2..0000000
--- a/chicken/checksums
+++ /dev/null
@@ -1 +0,0 @@
-ba99fb17f5d4f6b029539488a2f35f6730c8a00a68d2b1d16517c772178a261ff1
diff --git a/chicken/manifest b/chicken/manifest
deleted file mode 100644
index bd8a71b..0000000
--- a/chicken/manifest
+++ /dev/null
@@ -1,168 +0,0 @@
-/var/db/kiss/installed/chicken/version
-/var/db/kiss/installed/chicken/sources
-/var/db/kiss/installed/chicken/manifest
-/var/db/kiss/installed/chicken/checksums
-/var/db/kiss/installed/chicken/build
-/var/db/kiss/installed/chicken/
-/var/db/kiss/installed/
-/var/db/kiss/
-/var/db/
-/var/
-/usr/share/man/man1/feathers.1
-/usr/share/man/man1/csi.1
-/usr/share/man/man1/csc.1
-/usr/share/man/man1/chicken.1
-/usr/share/man/man1/chicken-uninstall.1
-/usr/share/man/man1/chicken-status.1
-/usr/share/man/man1/chicken-profile.1
-/usr/share/man/man1/chicken-install.1
-/usr/share/man/man1/chicken-do.1
-/usr/share/man/man1/
-/usr/share/man/
-/usr/share/chicken/setup.defaults
-/usr/share/chicken/feathers.tcl
-/usr/share/chicken/doc/manual/manual.css
-/usr/share/chicken/doc/manual/Using the interpreter.html
-/usr/share/chicken/doc/manual/Using the compiler.html
-/usr/share/chicken/doc/manual/Units and linking model.html
-/usr/share/chicken/doc/manual/Types.html
-/usr/share/chicken/doc/manual/The User's Manual.html
-/usr/share/chicken/doc/manual/Modules.html
-/usr/share/chicken/doc/manual/Module srfi-4.html
-/usr/share/chicken/doc/manual/Module scheme.html
-/usr/share/chicken/doc/manual/Module r5rs.html
-/usr/share/chicken/doc/manual/Module r4rs.html
-/usr/share/chicken/doc/manual/Module (chicken type).html
-/usr/share/chicken/doc/manual/Module (chicken time).html
-/usr/share/chicken/doc/manual/Module (chicken time posix).html
-/usr/share/chicken/doc/manual/Module (chicken tcp).html
-/usr/share/chicken/doc/manual/Module (chicken syntax).html
-/usr/share/chicken/doc/manual/Module (chicken string).html
-/usr/share/chicken/doc/manual/Module (chicken sort).html
-/usr/share/chicken/doc/manual/Module (chicken repl).html
-/usr/share/chicken/doc/manual/Module (chicken read-syntax).html
-/usr/share/chicken/doc/manual/Module (chicken random).html
-/usr/share/chicken/doc/manual/Module (chicken process-context).html
-/usr/share/chicken/doc/manual/Module (chicken process-context posix).html
-/usr/share/chicken/doc/manual/Module (chicken process).html
-/usr/share/chicken/doc/manual/Module (chicken process signal).html
-/usr/share/chicken/doc/manual/Module (chicken pretty-print).html
-/usr/share/chicken/doc/manual/Module (chicken port).html
-/usr/share/chicken/doc/manual/Module (chicken plist).html
-/usr/share/chicken/doc/manual/Module (chicken platform).html
-/usr/share/chicken/doc/manual/Module (chicken pathname).html
-/usr/share/chicken/doc/manual/Module (chicken module).html
-/usr/share/chicken/doc/manual/Module (chicken memory).html
-/usr/share/chicken/doc/manual/Module (chicken memory representation).html
-/usr/share/chicken/doc/manual/Module (chicken locative).html
-/usr/share/chicken/doc/manual/Module (chicken load).html
-/usr/share/chicken/doc/manual/Module (chicken keyword).html
-/usr/share/chicken/doc/manual/Module (chicken irregex).html
-/usr/share/chicken/doc/manual/Module (chicken io).html
-/usr/share/chicken/doc/manual/Module (chicken gc).html
-/usr/share/chicken/doc/manual/Module (chicken format).html
-/usr/share/chicken/doc/manual/Module (chicken foreign).html
-/usr/share/chicken/doc/manual/Module (chicken flonum).html
-/usr/share/chicken/doc/manual/Module (chicken fixnum).html
-/usr/share/chicken/doc/manual/Module (chicken file).html
-/usr/share/chicken/doc/manual/Module (chicken file posix).html
-/usr/share/chicken/doc/manual/Module (chicken eval).html
-/usr/share/chicken/doc/manual/Module (chicken errno).html
-/usr/share/chicken/doc/manual/Module (chicken csi).html
-/usr/share/chicken/doc/manual/Module (chicken continuation).html
-/usr/share/chicken/doc/manual/Module (chicken condition).html
-/usr/share/chicken/doc/manual/Module (chicken blob).html
-/usr/share/chicken/doc/manual/Module (chicken bitwise).html
-/usr/share/chicken/doc/manual/Module (chicken base).html
-/usr/share/chicken/doc/manual/Interface to external functions and variables.html
-/usr/share/chicken/doc/manual/Included modules.html
-/usr/share/chicken/doc/manual/Getting started.html
-/usr/share/chicken/doc/manual/Foreign type specifiers.html
-/usr/share/chicken/doc/manual/Extensions.html
-/usr/share/chicken/doc/manual/Extensions to the standard.html
-/usr/share/chicken/doc/manual/Extension tools.html
-/usr/share/chicken/doc/manual/Embedding.html
-/usr/share/chicken/doc/manual/Egg specification format.html
-/usr/share/chicken/doc/manual/Deviations from the standard.html
-/usr/share/chicken/doc/manual/Deployment.html
-/usr/share/chicken/doc/manual/Declarations.html
-/usr/share/chicken/doc/manual/Debugging.html
-/usr/share/chicken/doc/manual/Data representation.html
-/usr/share/chicken/doc/manual/Cross development.html
-/usr/share/chicken/doc/manual/C interface.html
-/usr/share/chicken/doc/manual/Bugs and limitations.html
-/usr/share/chicken/doc/manual/Bibliography.html
-/usr/share/chicken/doc/manual/Acknowledgements.html
-/usr/share/chicken/doc/manual/Accessing external objects.html
-/usr/share/chicken/doc/manual/
-/usr/share/chicken/doc/README
-/usr/share/chicken/doc/LICENSE
-/usr/share/chicken/doc/DEPRECATED
-/usr/share/chicken/doc/
-/usr/share/chicken/
-/usr/share/
-/usr/lib/libchicken.so.11
-/usr/lib/libchicken.so
-/usr/lib/libchicken.a
-/usr/lib/chicken/11/types.db
-/usr/lib/chicken/11/srfi-4.import.so
-/usr/lib/chicken/11/chicken.time.posix.import.so
-/usr/lib/chicken/11/chicken.time.import.so
-/usr/lib/chicken/11/chicken.tcp.import.so
-/usr/lib/chicken/11/chicken.syntax.import.so
-/usr/lib/chicken/11/chicken.string.import.so
-/usr/lib/chicken/11/chicken.sort.import.so
-/usr/lib/chicken/11/chicken.repl.import.so
-/usr/lib/chicken/11/chicken.read-syntax.import.so
-/usr/lib/chicken/11/chicken.random.import.so
-/usr/lib/chicken/11/chicken.process.signal.import.so
-/usr/lib/chicken/11/chicken.process.import.so
-/usr/lib/chicken/11/chicken.process-context.posix.import.so
-/usr/lib/chicken/11/chicken.process-context.import.so
-/usr/lib/chicken/11/chicken.pretty-print.import.so
-/usr/lib/chicken/11/chicken.port.import.so
-/usr/lib/chicken/11/chicken.plist.import.so
-/usr/lib/chicken/11/chicken.platform.import.so
-/usr/lib/chicken/11/chicken.pathname.import.so
-/usr/lib/chicken/11/chicken.memory.representation.import.so
-/usr/lib/chicken/11/chicken.memory.import.so
-/usr/lib/chicken/11/chicken.locative.import.so
-/usr/lib/chicken/11/chicken.load.import.so
-/usr/lib/chicken/11/chicken.keyword.import.so
-/usr/lib/chicken/11/chicken.irregex.import.so
-/usr/lib/chicken/11/chicken.io.import.so
-/usr/lib/chicken/11/chicken.internal.import.so
-/usr/lib/chicken/11/chicken.gc.import.so
-/usr/lib/chicken/11/chicken.format.import.so
-/usr/lib/chicken/11/chicken.foreign.import.so
-/usr/lib/chicken/11/chicken.flonum.import.so
-/usr/lib/chicken/11/chicken.fixnum.import.so
-/usr/lib/chicken/11/chicken.file.posix.import.so
-/usr/lib/chicken/11/chicken.file.import.so
-/usr/lib/chicken/11/chicken.eval.import.so
-/usr/lib/chicken/11/chicken.errno.import.so
-/usr/lib/chicken/11/chicken.csi.import.so
-/usr/lib/chicken/11/chicken.continuation.import.so
-/usr/lib/chicken/11/chicken.condition.import.so
-/usr/lib/chicken/11/chicken.compiler.user-pass.import.so
-/usr/lib/chicken/11/chicken.blob.import.so
-/usr/lib/chicken/11/chicken.bitwise.import.so
-/usr/lib/chicken/11/chicken.base.import.so
-/usr/lib/chicken/11/
-/usr/lib/chicken/
-/usr/lib/
-/usr/include/chicken/chicken.h
-/usr/include/chicken/chicken-config.h
-/usr/include/chicken/
-/usr/include/
-/usr/bin/feathers
-/usr/bin/csi
-/usr/bin/csc
-/usr/bin/chicken-uninstall
-/usr/bin/chicken-status
-/usr/bin/chicken-profile
-/usr/bin/chicken-install
-/usr/bin/chicken-do
-/usr/bin/chicken
-/usr/bin/
-/usr/
diff --git a/chicken/sources b/chicken/sources
deleted file mode 100644
index 00f3bfd..0000000
--- a/chicken/sources
+++ /dev/null
@@ -1 +0,0 @@
-https://code.call-cc.org/releases/5.3.0/chicken-5.3.0.tar.gz
diff --git a/chicken/version b/chicken/version
deleted file mode 100644
index d18c7f9..0000000
--- a/chicken/version
+++ /dev/null
@@ -1 +0,0 @@
-5.3.0 1