diff --git a/build-constraints.yaml b/build-constraints.yaml
deleted file mode 100644
--- a/build-constraints.yaml
+++ /dev/null
@@ -1,879 +0,0 @@
-# Constraints for brand new builds
-packages:
-    "Michael Snoyman michael@snoyman.com @snoyberg":
-        - bzlib-conduit
-        - cabal-install < 1.19
-        - cabal-src
-        - case-insensitive
-        - classy-prelude-yesod
-        - conduit-combinators
-        - conduit-extra
-        - hebrew-time
-        - keter
-        - markdown
-        - mime-mail-ses
-        - monadcryptorandom
-        - network-conduit-tls
-        - persistent
-        - persistent-mysql
-        - persistent-postgresql
-        - persistent-sqlite
-        - persistent-template
-        - process-conduit
-        - random-shuffle
-        - sphinx
-        - stm-conduit
-        - wai-websockets
-        - warp-tls
-        - yackage
-        - yesod
-        - yesod-auth-deskcom
-        - yesod-bin
-        - yesod-eventsource
-        - yesod-fay
-        - yesod-gitrepo
-        - yesod-newsfeed
-        - yesod-sitemap
-        - yesod-static
-        - yesod-test
-        - yesod-websockets
-        - repa
-        - repa-io
-        - repa-algorithms
-        - repa-devil
-        - JuicyPixels-repa
-
-    "FP Complete michael@fpcomplete.com @snoyberg":
-        - alex
-        - async
-        - aws
-        - base16-bytestring
-        - c2hs
-        - cairo
-        - cassava
-        - Chart
-        - Chart-diagrams
-        - compdata
-        - configurator
-        - convertible
-        - csv-conduit
-        - diagrams-cairo
-        - dimensional
-        - executable-path
-        - fgl
-        - fixed-list
-        - foreign-store
-        - formatting
-        - fpco-api
-        - gtk2hs-buildtools
-        - happy
-        - histogram-fill
-        - hmatrix
-        - hmatrix-gsl
-        - hxt
-        - hxt-relaxng
-        - hybrid-vectors
-        - indents
-        - language-c
-        - lhs2tex
-        - persistent-mongoDB
-        - pretty-class
-        - quandl-api
-        - random-fu
-        - random-source
-        - shelly
-        - smtLib
-        - stackage
-        - statistics-linreg
-        - th-expand-syns
-        - thyme
-        - webdriver
-        - web-fpco
-        - criterion
-        - th-lift
-        - singletons
-        - th-desugar
-        - quickcheck-assertions
-        - distributed-process
-        - distributed-process-simplelocalnet
-        # - cloud-haskell
-        - kure <= 2.4.10
-
-    "Omari Norman <omari@smileystation.com>":
-        - barecheck
-        - rainbow
-        - rainbow-tests
-        - quickpull
-
-    "Neil Mitchell":
-        - hlint
-        - hoogle
-        - shake
-        - derive
-        - tagsoup
-        - cmdargs
-        - safe
-        - uniplate
-        - nsis
-        - js-jquery
-        - js-flot
-        - extra
-        - bake
-        - ghcid
-
-    "Alan Zimmerman":
-        - hjsmin
-        - language-javascript
-
-    "Alfredo Di Napoli <alfredo.dinapoli@gmail.com>":
-        - mandrill
-
-    "Jasper Van der Jeugt":
-        - blaze-html
-        - blaze-markup
-        - stylish-haskell
-
-    "Antoine Latter":
-        - byteorder
-        - uuid
-
-    "Philipp Middendorf <pmidden@secure.mailbox.org>":
-        - clock
-
-    "Stefan Wehr <wehr@factisresearch.com>":
-        - HTF
-        - xmlgen
-        - stm-stats
-
-    "Bart Massey <bart.massey+stackage@gmail.com>":
-        - parseargs
-
-    "Vincent Hanquez":
-        - bytedump
-        - certificate
-        - cipher-aes
-        - cipher-rc4
-        - connection
-        - cprng-aes
-        - cpu
-        - cryptocipher
-        - cryptohash
-        - crypto-pubkey-types
-        - crypto-random-api
-        - hit
-        - language-java
-        - language-java
-        - libgit
-        - pem
-        - siphash
-        - socks
-        - tls
-        - tls-debug
-        - vhd
-        - udbus
-        - xenstore
-
-    "Chris Done":
-        - ace
-        - check-email
-        - freenect
-        - frisby
-        - gd
-        - hostname-validate
-        - ini
-        - lucid
-        - osdkeys
-        - pdfinfo
-        - present
-        - pure-io
-        - scrobble
-        - shell-conduit
-        - sourcemap
-        # requires old haddock currently - haskell-docs
-        # TODO: Add hindent and structured-haskell-mode once they've been ported to HSE 1.16.
-
-    # GHC 7.6
-    # "Alberto G. Corona <agocorona@gmail.com>":
-    #    - RefSerialize
-    #    - TCache
-    #    - Workflow
-    #    - MFlow
-
-    "Edward Kmett <ekmett@gmail.com>":
-        - ad
-        - adjunctions
-        - approximate
-        - bifunctors
-        - bits
-        - bound
-        - bytes
-        - charset
-        - comonad
-        - comonads-fd
-        - comonad-transformers
-        - compensated
-        - compressed
-        - concurrent-supply
-        - constraints
-        - contravariant
-        - distributive
-        - either
-        - eq
-        - ersatz
-        - exceptions
-        - free
-        - graphs
-        - groupoids
-        - heaps
-        - hyphenation
-        - integration
-        - intervals
-        - kan-extensions
-        - lca
-        - lens
-        - linear
-        - linear-accelerate
-        - log-domain
-        - machines
-        - monadic-arrays
-        - monad-products
-        - monad-products
-        - monad-st
-        - monad-st
-        - mtl < 2.2
-        - nats
-        - numeric-extras
-        - parsers
-        - pointed
-        - prelude-extras
-        - profunctor-extras
-        - profunctors
-        - reducers
-        - reducers
-        - reflection
-        - semigroupoid-extras
-        - semigroupoids
-        - semigroups
-        - speculation
-        - streams
-        - tagged
-        - vector-instances
-        - void
-        - wl-pprint-extras
-        - wl-pprint-terminfo
-        - fixed
-        - half
-        - gl
-        - lens-aeson
-        - zlib-lens
-        # Temporary upper bound for some of the above packages
-        - generic-deriving < 1.7
-        # hyperloglog
-
-    "Andrew Farmer <afarmer@ittc.ku.edu>":
-        - scotty
-        - wai-middleware-static
-
-    "Simon Hengel <sol@typeful.net>":
-        - hspec
-        - hspec-wai
-        - hspec-wai-json
-        - aeson-qq
-        - interpolate
-        - doctest
-        - base-compat
-
-    "Mario Blazevic <blamario@yahoo.com>":
-        - monad-parallel
-        - monad-coroutine
-        - incremental-parser
-        - monoid-subclasses
-
-    "Brent Yorgey <byorgey@gmail.com>":
-        - active
-        - BlogLiterately
-        - BlogLiterately-diagrams
-        - diagrams
-        - diagrams-builder
-        - diagrams-contrib
-        - diagrams-core
-        - diagrams-haddock
-        - diagrams-lib
-        - diagrams-postscript
-        - diagrams-svg
-        - dual-tree
-        - force-layout
-        - haxr
-        - MonadRandom
-        - monoid-extras
-        - vector-space-points
-
-    "Vincent Berthoux <vincent.berthoux@gmail.com>":
-        # https://github.com/fpco/stackage/issues/354
-        - JuicyPixels < 3.2
-
-    "Patrick Brisbin":
-        - gravatar
-
-    # https://github.com/fpco/stackage/issues/299
-    # mapM_ (add "Paul Harper <benekastah@gmail.com>") $ words "yesod-auth-oauth2"
-
-    "Felipe Lessa <felipe.lessa@gmail.com>":
-        - esqueleto
-        - fb
-        - fb-persistent
-        - yesod-fb
-        - yesod-auth-fb
-
-    "Alexander Altman <alexanderaltman@me.com>":
-        - base-unicode-symbols
-        - containers-unicode-symbols
-
-    "Trevor L. McDonell <tmcdonell@cse.unsw.edu.au>":
-        - accelerate
-
-    "Dan Burton <danburton.email@gmail.com>":
-        - basic-prelude
-        - composition
-        - io-memoize
-        - numbers
-        - rev-state
-        - runmemo
-        - tardis
-        - lens-family-th
-
-    "Daniel Díaz <dhelta.diaz@gmail.com>":
-        - HaTeX
-        - matrix
-        - binary-list
-
-    "Gabriel Gonzalez <Gabriel439@gmail.com>":
-        - pipes
-        - pipes-parse
-        - pipes-concurrency
-
-    "Chris Allen <cma@bitemyapp.com>":
-        - bloodhound
-
-    "Adam Bergmark <adam@bergmark.nl>":
-        - fay
-        - fay-base
-        - fay-dom
-        - fay-jquery
-        - fay-text
-        - fay-uri
-        - snaplet-fay
-
-    "Rodrigo Setti <rodrigosetti@gmail.com>":
-        - messagepack
-        - messagepack-rpc
-
-    "Boris Lykah <lykahb@gmail.com>":
-        - groundhog
-        - groundhog-th
-        - groundhog-sqlite
-        - groundhog-postgresql
-        - groundhog-mysql
-
-    "Janne Hellsten <jjhellst@gmail.com>":
-        - sqlite-simple
-
-    "Michal J. Gajda":
-        - iterable
-        - Octree
-        - FenwickTree
-        - hPDB
-        - hPDB-examples
-
-    "Roman Cheplyaka <roma@ro-che.info>":
-        - action-permutations
-        - amqp
-        - curl
-        - generics-sop
-
-        # https://github.com/fpco/stackage/issues/341
-        - haskell-names < 0.5
-
-        - haskell-packages
-        - heredoc
-        - hse-cpp
-        - immortal
-        - regex-applicative
-        - smallcheck
-        - tasty
-        - tasty-golden
-        - tasty-hunit
-        - tasty-quickcheck
-        - tasty-smallcheck
-        - time-lens
-        - timezone-olson
-        - timezone-series
-        - traverse-with-class
-
-    "George Giorgidze <giorgidze@gmail.com>":
-        - HCodecs
-        - YampaSynth
-
-    "Phil Hargett <phil@haphazardhouse.net>":
-        - courier
-
-    "Aycan iRiCAN <iricanaycan@gmail.com>":
-        - hdaemonize
-        - hsyslog
-        - hweblib
-
-    "Joachim Breitner <mail@joachim-breitner.de>":
-        - circle-packing
-        - arbtt
-        - ghc-heap-view
-
-    "Aditya Bhargava <adit@adit.io":
-        - HandsomeSoup
-
-    "Clint Adams <clint@debian.org>":
-        - hOpenPGP
-        - openpgp-asciiarmor
-        - MusicBrainz
-        - DAV
-        - hopenpgp-tools
-
-    # https://github.com/fpco/stackage/issues/160
-    "Ketil Malde":
-        - biocore
-        - biofasta
-        - biofastq
-        - biosff
-        - blastxml
-        - bioace
-        - biophd < 0.0.6 || > 0.0.6
-        - biopsl # https://github.com/ingolia/SamTools/issues/3 samtools
-        - seqloc
-        - bioalign
-        - BlastHTTP
-        # The following have out-of-date dependencies currently
-        # biostockholm memexml RNAwolf
-        # , "Biobase BiobaseDotP BiobaseFR3D BiobaseInfernal BiobaseMAF"
-        # , "BiobaseTrainingData BiobaseTurner BiobaseXNA BiobaseVienna"
-        # , "BiobaseTypes BiobaseFasta"
-        # MC-Fold-DP
-
-    "Silk <code@silk.co>":
-        - aeson-utils
-        - arrow-list
-        - attoparsec-expr
-        - bumper
-        - code-builder
-        - fay-builder
-        - generic-aeson
-        - hxt-pickle-utils
-        - imagesize-conduit
-        - imagesize-conduit
-        - json-schema
-        - multipart
-        - regular-xmlpickler
-        - rest-client
-        - rest-core
-        - rest-gen
-        - rest-happstack
-        - rest-snap
-        - rest-stringmap
-        - rest-types
-        - rest-wai
-        - tostring
-        - tostring
-        - uri-encode
-        - uri-encode
-
-    "Simon Michael <simon@joyful.com>":
-        - hledger
-
-    "Mihai Maruseac <mihai.maruseac@gmail.com>":
-        - io-manager
-
-    "Dimitri Sabadie <dimitri.sabadie@gmail.com":
-        - monad-journal
-
-    "Thomas Schilling <nominolo@googlemail.com>":
-        - ghc-syb-utils
-
-    "Boris Buliga <d12frosted@icloud.com>":
-        - ghc-mod
-        - io-choice
-        - system-canonicalpath
-
-    "Yann Esposito <yann.esposito@gmail.com>":
-        - holy-project
-
-    "Paul Rouse <pgr@doynton.org>":
-        - yesod-auth-hashdb
-
-    "Toralf Wittner <tw@dtex.org>":
-        - zeromq4-haskell
-
-    "trupill@gmail.com":
-        - djinn-lib
-        - djinn-ghc
-
-    "Arash Rouhani <miffoljud@gmail.com>":
-        - yesod-text-markdown
-
-    "Matvey Aksenov <matvey.aksenov@gmail.com":
-        - terminal-size
-
-    "Luis G. Torres <lgtorres42@gmail.com":
-        - kdt
-
-    "Emanuel Borsobom <manny@fpcomplete.com>":
-        - BoundedChan
-        - bytestring-lexing
-        - bytestring-trie
-        - data-accessor
-        - data-accessor-mtl
-        - file-location
-        - fuzzcheck
-        - git-embed
-        - haddock-api
-        - here
-        - hlibgit2
-        - hostname-validate
-        - interpolatedstring-perl6
-        - iproute
-        - missing-foreign
-        - MissingH
-        - multimap
-        - parallel-io
-        - text-binary
-
-    "Michael Sloan <mgsloan@gmail.com":
-        - th-orphans
-        - th-reify-many
-
-    "Nikita Volkov <nikita.y.volkov@mail.ru>":
-        - base-prelude
-        - cases
-        - focus
-        - hasql
-        - hasql-backend
-        - hasql-postgres
-        - list-t
-        - mtl-prelude < 2
-        - neat-interpolation
-        - partial-handler
-        - postgresql-binary
-        - slave-thread
-        - stm-containers
-
-    "Iustin Pop <iustin@k1024.org>":
-        - prefix-units
-
-    "Alexander Thiemann <mail@athiemann.net>":
-       - graph-core
-       - reroute
-       - Spock
-
-    "Joey Eremondi <joey@eremondi.com>":
-        - aeson-pretty
-        - digest
-        - elm-build-lib
-        - elm-compiler
-        - elm-core-sources
-        # elm-package
-        - language-glsl
-        - prettyclass
-        - QuasiText
-        - union-find
-        - zip-archive
-
-
-    "Arthur Fayzrakhmanov <heraldhoi@gmail.com>":
-        - sodium
-        - hdevtools
-
-    # 0.16.2 fixes dependency issues with different version of GHC
-    # and Haskell Platform. Now builds on GHC 7.4-7.8. Version 1.0 is
-    # guaranteed to break the API. See
-    # https://travis-ci.org/jswebtools/language-ecmascript for
-    # current build status.
-    "Andrey Chudnov <oss@chudnov.com>":
-        - language-ecmascript >= 0.16.2 && < 1.0
-
-    "Tom Ellis <tom-stackage@jaguarpaw.co.uk>":
-        - opaleye
-        - product-profunctors
-
-    "Samplecount stefan@samplecount.com @kaoskorobase":
-        - shake-language-c
-        
-    "Marcin Mrotek <marcin.jan.mrotek@gmail.com>":
-        - type-list
-
-    "Stackage upper bounds":
-        # https://github.com/fpco/stackage/issues/288
-        - text < 1.2
-
-        # Force a specific version that's compatible with transformers 0.3
-        - transformers-compat == 0.3.3.3
-
-        # https://github.com/fpco/stackage/issues/291
-        - random < 1.0.1.3
-
-        # https://github.com/fpco/stackage/issues/314
-        - hxt < 9.3.1.9
-
-        # https://github.com/fpco/stackage/issues/318
-        - HaXml < 1.25
-
-        # https://github.com/fpco/stackage/issues/319
-        - polyparse < 1.10
-
-        # https://github.com/nikita-volkov/stm-containers/issues/3
-        - free < 4.10
-
-        # https://github.com/fpco/stackage/issues/369
-        - list-t < 0.4
-
-        # https://github.com/fpco/stackage/issues/370
-        - monad-control < 1
-
-# Global flags are applied to all packages
-global-flags:
-    blaze_html_0_5: true
-    small_base: true
-    https: true
-    splitbase: true
-    old-locale: true
-    new-base: true
-    bytestring-in-base: false
-    test-hlint: false
-    network-uri: true
-
-# Package flags are applied to individual packages, and override the values of
-# global-flags
-package-flags:
-    mersenne-random-pure64:
-        small_base: false
-
-    # Use system libraries to speed up compilation and get bug fixes
-    persistent-sqlite:
-        systemlib: true
-    yaml:
-        system-libyaml: true
-
-# By skipping a test suite, we do not pull in the build dependencies
-skipped-tests:
-    - ReadArgs # old version of hspec
-    - ersatz # old QuickCheck
-    - punycode # pulls in encoding
-    - HTTP
-    - Octree
-    - options
-    - hasql
-
-    # require old hspec
-    - bloodhound
-    - fb
-
-    # require old tasty
-    - diagrams-haddock
-
-    # requires old hsql
-    - hasql-postgres
-
-    # https://github.com/pa-ba/compdata/issues/4
-    - compdata
-
-    # Too lazy to keep the test dependencies up to date
-    - base-prelude
-    - cases
-    - focus
-    - hasql
-    - hasql-backend
-    - hasql-postgres
-    - list-t
-    - mtl-prelude
-    - neat-interpolation
-    - partial-handler
-    - postgresql-binary
-    - slave-thread
-    - stm-containers
-
-# Tests which we should build and run, but which are expected to fail. We
-# should not fail a build based on a test failure for one of these packages.
-expected-test-failures:
-    # Requires an old version of WAI and Warp for tests
-    - HTTP
-
-    # text and setenv have recursive dependencies in their tests, which
-    # cabal can't (yet) handle
-    - text
-    - setenv
-
-    # https://github.com/bos/statistics/issues/42
-    - statistics
-
-    # https://github.com/kazu-yamamoto/simple-sendfile/pull/10
-    - simple-sendfile
-
-    # Tests require shell script and are incompatible with sandboxed package
-    # databases
-    - HTF
-
-    # Unfortunately network failures seem to happen haphazardly
-    - network
-
-    # Test suite takes too long to run on some systems
-    - punycode
-
-    # Requires a Facebook app.
-    - fb
-
-    # https://github.com/vincenthz/language-java/issues/10
-    - language-java
-
-    - threads
-    - crypto-conduit
-
-    # https://github.com/basvandijk/concurrent-extra/issues/
-    - concurrent-extra
-
-    # https://github.com/skogsbaer/xmlgen/issues/2
-    - xmlgen
-
-    # Requires a locally running PostgreSQL server with appropriate users
-    - postgresql-simple
-
-    # Some kind of Cabal bug when trying to run tests
-    - thyme
-
-    - shake
-
-    # Problems with doctest and sandboxing
-    - warp
-    - wai-logger
-
-    # https://github.com/fpco/stackage/issues/163
-    - hTalos
-
-    # https://github.com/bos/math-functions/issues/25
-    - math-functions
-
-    # Requires too old a version of test-framework
-    - time
-
-    # Cloud Haskell tests seem to be unreliable
-    - distributed-process
-    - lockfree-queue
-    - network-transport-tcp
-
-    # https://github.com/fpco/stackage/issues/226
-    - options
-
-    # Depends on a missing graphviz executable
-    - graphviz
-
-    # No AWS creds available
-    - aws
-
-    # Not sure why...
-    - singletons
-
-    # https://github.com/BioHaskell/octree/issues/4
-    - Octree
-
-    # https://github.com/goldfirere/th-desugar/issues/12
-    - th-desugar
-
-    # https://github.com/jmillikin/haskell-filesystem/issues/3
-    - system-filepath
-
-    # Requires a running webdriver server
-    - webdriver
-    - webdriver-snoy
-
-    # Weird conflicts with sandboxing
-    - ghc-mod
-    - ghcid
-
-    # Requires locally running server
-    - bloodhound
-
-    # Requires SAT solver and old QuickCheck
-    - ersatz
-
-    # Failing doctests
-    - bits
-
-    # No server running
-    - amqp
-
-    # Often run out of inotify handles
-    - fsnotify
-
-    # Requires a correctly set up Postgres instance
-    - opaleye
-
-    # weird problems with cabal test
-    - cautious-file
-
-    # https://github.com/haskell/cabal/pull/2277
-    - cabal-install
-
-    # https://github.com/haskell/network-uri/issues/10
-    - network-uri
-
-# Haddocks which are expected to fail. Same concept as expected test failures.
-expected-haddock-failures:
-    # https://github.com/acw/bytestring-progress/issues/4
-    - bytestring-progress
-
-    # https://github.com/ekmett/gl/issues/4
-    - gl
-
-# Benchmarks which should not be built. Note that Stackage does *not* generally
-# build benchmarks. The difference here will be whether dependencies for these
-# benchmarks are included or not.
-skipped-benchmarks:
-    - machines
-    - criterion-plus
-    - graphviz
-    - lifted-base
-    - pandoc
-    - stm-containers
-    - uuid
-
-    # pulls in criterion-plus, which has restrictive upper bounds
-    - cases
-    - hasql-postgres
-
-    # https://github.com/vincenthz/hs-crypto-cipher/issues/46
-    - cipher-aes
-    - cipher-blowfish
-    - cipher-camellia
-    - cipher-des
-    - cipher-rc4
-
-    # sometimes falls out-of-sync on hasql-postgres
-    - hasql
-
-# Mapping from Github account holding a package to the Github users who should
-# be pinged on failure. If no value is specified here, then the owning account
-# will be pinged.
-github-users:
-    diagrams:
-        - byorgey
-        - fryguybob
-        - jeffreyrosenbluth
-        - bergey
-    yesodweb:
-        - snoyberg
-    fpco:
-        - snoyberg
-    faylang:
-        - bergmark
-    silkapp:
-        - bergmark
-        - hesselink
-    snapframework:
-        - mightybyte
-    haskell-ro:
-        - mihaimaruseac
diff --git a/stackage.cabal b/stackage.cabal
--- a/stackage.cabal
+++ b/stackage.cabal
@@ -1,5 +1,5 @@
 name:                stackage
-version:             0.2.1.1
+version:             0.2.1.2
 synopsis:            "Stable Hackage," tools for creating a vetted set of packages from Hackage.
 description:         Please see <http://www.stackage.org/package/stackage> for a description and documentation.
 homepage:            https://github.com/fpco/stackage
@@ -12,7 +12,6 @@
 cabal-version:       >=1.10
 extra-source-files:  README.md
                      ChangeLog.md
-                     build-constraints.yaml
 
 library
   default-language:    Haskell2010
