diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8ee295f9..83106d3a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -51,7 +51,6 @@ packages:
         - yackage
         - yesod
         - yesod-auth
-        - yesod-auth-deskcom
         - authenticate-oauth
         - yesod-bin
         - yesod-eventsource
@@ -62,32 +61,24 @@ packages:
         - yesod-static
         - yesod-test
         - yesod-websockets
-        - repa
-        - repa-io
-        - repa-algorithms
-        - repa-devil
-        - JuicyPixels-repa
         - cereal-conduit
         - binary-conduit
         - lzma-conduit
         - mutable-containers
         - hpc-coveralls
         - monad-unlift
+        - monad-unlift-ref
         - yaml
         - servius
         - cryptonite-conduit
 
-    "FP Complete michael@fpcomplete.com @snoyberg":
         - alex
         - async
-        - aws
         - base16-bytestring
         - c2hs
         - cairo
         - cassava
         - Chart
-        # lucid-svg < 0.6
-        # - Chart-diagrams
         - compdata
         - configurator
         - convertible
@@ -99,7 +90,6 @@ packages:
         - fixed-list
         - foreign-store
         - formatting
-        #- fpco-api
         - gtk2hs-buildtools
         - happy
         - hmatrix
@@ -117,22 +107,9 @@ packages:
         - random-source
         - shelly
         - smtLib
-        - stackage
-        - stackage-curator
-        - stackage-types
-        - stackage-update
-        - stackage-upload
-        - stackage-cli
-        - stackage-install
-        - stackage-build-plan
-        - stackage-cabal
-        - stackage-sandbox
-        - stackage-setup
-        - stackage-metadata
         - statistics-linreg
         - th-expand-syns
         - thyme
-        - web-fpco
         - criterion
         - th-lift
         - singletons
@@ -141,10 +118,6 @@ packages:
 
         - kure
 
-        - ide-backend
-        - ide-backend-server
-        - ide-backend-rts
-
         - hackage-mirror
         - wai-middleware-consul
         - wai-middleware-crowd