diff --git a/.cirrus.yml b/.cirrus.yml
index 0e3d4de..3f6bf56 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -8,5 +8,5 @@ bazel-opt_task:
     - /src/workspace/tools/inject-repo hs-msgpack-types
   test_all_script:
     - cd /src/workspace && bazel test -k
-        --remote_http_cache=http://$CIRRUS_HTTP_CACHE_HOST
+        --config=ci
         //hs-msgpack-types/...
diff --git a/BUILD.bazel b/BUILD.bazel
index 6931f0d..aec99bb 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -1,4 +1,3 @@
-load("@ai_formation_hazel//tools:mangling.bzl", "hazel_library")
 load("@rules_haskell//haskell:defs.bzl", "haskell_library")
 load("//third_party/haskell/hspec-discover:build_defs.bzl", "hspec_test")
 load("//tools/project:build_defs.bzl", "project")
@@ -12,16 +11,16 @@ haskell_library(
     version = "0.3.3",
     visibility = ["//visibility:public"],
     deps = [
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("containers"),
-        hazel_library("deepseq"),
-        hazel_library("hashable"),
-        hazel_library("monad-validate"),
-        hazel_library("text"),
-        hazel_library("transformers"),
-        hazel_library("unordered-containers"),
-        hazel_library("vector"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:containers",
+        "//third_party/haskell:deepseq",
+        "//third_party/haskell:hashable",
+        "//third_party/haskell:monad-validate",
+        "//third_party/haskell:text",
+        "//third_party/haskell:transformers",
+        "//third_party/haskell:unordered-containers",
+        "//third_party/haskell:vector",
     ],
 )
 
@@ -31,18 +30,18 @@ hspec_test(
     compiler_flags = ["-Wno-unused-imports"],
     deps = [
         ":hs-msgpack-types",
-        hazel_library("QuickCheck"),
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("containers"),
-        hazel_library("deepseq"),
-        hazel_library("generic-arbitrary"),
-        hazel_library("hashable"),
-        hazel_library("hspec"),
-        hazel_library("monad-validate"),
-        hazel_library("quickcheck-instances"),
-        hazel_library("text"),
-        hazel_library("unordered-containers"),
-        hazel_library("vector"),
+        "//third_party/haskell:QuickCheck",
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:containers",
+        "//third_party/haskell:deepseq",
+        "//third_party/haskell:generic-arbitrary",
+        "//third_party/haskell:hashable",
+        "//third_party/haskell:hspec",
+        "//third_party/haskell:monad-validate",
+        "//third_party/haskell:quickcheck-instances",
+        "//third_party/haskell:text",
+        "//third_party/haskell:unordered-containers",
+        "//third_party/haskell:vector",
     ],
 )
diff --git a/src/Data/MessagePack/Types.hs b/src/Data/MessagePack/Types.hs
index 4075abf..fae4294 100644
--- a/src/Data/MessagePack/Types.hs
+++ b/src/Data/MessagePack/Types.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE Trustworthy #-}
 module Data.MessagePack.Types
     ( Assoc (..)
     , Object (..)
diff --git a/src/Data/MessagePack/Types/Assoc.hs b/src/Data/MessagePack/Types/Assoc.hs
index 53b203c..019c87c 100644
--- a/src/Data/MessagePack/Types/Assoc.hs
+++ b/src/Data/MessagePack/Types/Assoc.hs
@@ -1,7 +1,6 @@
 {-# LANGUAGE DeriveDataTypeable         #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE StrictData                 #-}
-{-# LANGUAGE Trustworthy                #-}
 
 --------------------------------------------------------------------
 -- |
diff --git a/src/Data/MessagePack/Types/Class.hs b/src/Data/MessagePack/Types/Class.hs
index e107ed3..2382736 100644
--- a/src/Data/MessagePack/Types/Class.hs
+++ b/src/Data/MessagePack/Types/Class.hs
@@ -6,7 +6,6 @@
 {-# LANGUAGE LambdaCase          #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE StrictData          #-}
-{-# LANGUAGE Trustworthy         #-}
 {-# LANGUAGE ViewPatterns        #-}
 
 --------------------------------------------------------------------
diff --git a/src/Data/MessagePack/Types/DecodeError.hs b/src/Data/MessagePack/Types/DecodeError.hs
index f7aa0e3..d98a739 100644
--- a/src/Data/MessagePack/Types/DecodeError.hs
+++ b/src/Data/MessagePack/Types/DecodeError.hs
@@ -1,6 +1,5 @@
 {-# OPTIONS_GHC -Wno-orphans #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE Trustworthy           #-}
 module Data.MessagePack.Types.DecodeError
     ( DecodeError
     , decodeError
diff --git a/src/Data/MessagePack/Types/Generic.hs b/src/Data/MessagePack/Types/Generic.hs
index acb3da3..e12f71b 100644
--- a/src/Data/MessagePack/Types/Generic.hs
+++ b/src/Data/MessagePack/Types/Generic.hs
@@ -8,7 +8,6 @@
 {-# LANGUAGE OverloadedStrings    #-}
 {-# LANGUAGE ScopedTypeVariables  #-}
 {-# LANGUAGE StrictData           #-}
-{-# LANGUAGE Trustworthy          #-}
 {-# LANGUAGE TypeOperators        #-}
 {-# LANGUAGE UndecidableInstances #-}
 module Data.MessagePack.Types.Generic () where
diff --git a/src/Data/MessagePack/Types/Object.hs b/src/Data/MessagePack/Types/Object.hs
index 9f3cf6d..6a1d8ee 100644
--- a/src/Data/MessagePack/Types/Object.hs
+++ b/src/Data/MessagePack/Types/Object.hs
@@ -1,7 +1,6 @@
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE DeriveGeneric      #-}
 {-# LANGUAGE StrictData         #-}
-{-# LANGUAGE Trustworthy        #-}
 module Data.MessagePack.Types.Object
     ( Object (..)
     ) where