diff --git a/.cirrus.yml b/.cirrus.yml
index 71194dc..dccae0f 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -8,5 +8,5 @@ bazel-opt_task:
     - /src/workspace/tools/inject-repo hs-cimple
   test_all_script:
     - cd /src/workspace && bazel test -k
-        --remote_http_cache=http://$CIRRUS_HTTP_CACHE_HOST
+        --config=ci
         //hs-cimple/...
diff --git a/BUILD.bazel b/BUILD.bazel
index d82e62a..9fc4e95 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/alex:build_defs.bzl", "alex_lexer")
 load("//third_party/haskell/happy:build_defs.bzl", "happy_parser")
@@ -22,11 +21,11 @@ haskell_library(
     src_strip_prefix = "src",
     visibility = ["//hs-cimple:__subpackages__"],
     deps = [
-        hazel_library("aeson"),
-        hazel_library("array"),
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("text"),
+        "//third_party/haskell:aeson",
+        "//third_party/haskell:array",
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:text",
     ],
 )
 
@@ -36,10 +35,10 @@ haskell_library(
     src_strip_prefix = "src",
     visibility = ["//hs-cimple:__subpackages__"],
     deps = [
-        hazel_library("aeson"),
-        hazel_library("base"),
-        hazel_library("data-fix"),
-        hazel_library("transformers-compat"),
+        "//third_party/haskell:aeson",
+        "//third_party/haskell:base",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:transformers-compat",
     ],
 )
 
@@ -54,9 +53,9 @@ haskell_library(
     deps = [
         ":ast",
         ":lexer",
-        hazel_library("base"),
-        hazel_library("data-fix"),
-        hazel_library("text"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:text",
     ],
 )
 
@@ -64,6 +63,7 @@ happy_parser(
     name = "Parser",
     src = "src/Language/Cimple/Parser.y",
     preproc = "expand_yacc.pl",
+    preproc_tool = "@perl",
 )
 
 haskell_library(
@@ -74,13 +74,13 @@ haskell_library(
     deps = [
         ":ast",
         ":lexer",
-        hazel_library("aeson"),
-        hazel_library("array"),
-        hazel_library("base"),
-        hazel_library("data-fix"),
-        hazel_library("recursion-schemes"),
-        hazel_library("text"),
-        hazel_library("transformers-compat"),
+        "//third_party/haskell:aeson",
+        "//third_party/haskell:array",
+        "//third_party/haskell:base",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:recursion-schemes",
+        "//third_party/haskell:text",
+        "//third_party/haskell:transformers-compat",
     ],
 )
 
@@ -88,6 +88,7 @@ happy_parser(
     name = "CommentParser",
     src = "src/Language/Cimple/CommentParser.y",
     preproc = "expand_yacc.pl",
+    preproc_tool = "@perl",
 )
 
 haskell_library(
@@ -99,10 +100,10 @@ haskell_library(
         ":ast",
         ":describe-ast",
         ":lexer",
-        hazel_library("array"),
-        hazel_library("base"),
-        hazel_library("data-fix"),
-        hazel_library("text"),
+        "//third_party/haskell:array",
+        "//third_party/haskell:base",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:text",
     ],
 )
 
@@ -110,6 +111,7 @@ happy_parser(
     name = "TreeParser",
     src = "src/Language/Cimple/TreeParser.y",
     preproc = "expand_yacc.pl",
+    preproc_tool = "@perl",
 )
 
 haskell_library(
@@ -122,10 +124,10 @@ haskell_library(
         ":comment-parser",
         ":describe-ast",
         ":lexer",
-        hazel_library("array"),
-        hazel_library("base"),
-        hazel_library("data-fix"),
-        hazel_library("text"),
+        "//third_party/haskell:array",
+        "//third_party/haskell:base",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:text",
     ],
 )
 
@@ -150,19 +152,19 @@ haskell_library(
         ":lexer",
         ":parser",
         ":tree-parser",
-        hazel_library("aeson"),
-        hazel_library("ansi-wl-pprint"),
-        hazel_library("array"),
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("containers"),
-        hazel_library("data-fix"),
-        hazel_library("filepath"),
-        hazel_library("monad-parallel"),
-        hazel_library("mtl"),
-        hazel_library("split"),
-        hazel_library("text"),
-        hazel_library("transformers-compat"),
+        "//third_party/haskell:aeson",
+        "//third_party/haskell:ansi-wl-pprint",
+        "//third_party/haskell:array",
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:containers",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:filepath",
+        "//third_party/haskell:monad-parallel",
+        "//third_party/haskell:mtl",
+        "//third_party/haskell:split",
+        "//third_party/haskell:text",
+        "//third_party/haskell:transformers-compat",
     ],
 )
 
@@ -171,11 +173,11 @@ hspec_test(
     size = "small",
     deps = [
         ":hs-cimple",
-        hazel_library("ansi-wl-pprint"),
-        hazel_library("base"),
-        hazel_library("data-fix"),
-        hazel_library("hspec"),
-        hazel_library("text"),
-        hazel_library("transformers-compat"),
+        "//third_party/haskell:ansi-wl-pprint",
+        "//third_party/haskell:base",
+        "//third_party/haskell:data-fix",
+        "//third_party/haskell:hspec",
+        "//third_party/haskell:text",
+        "//third_party/haskell:transformers-compat",
     ],
 )
diff --git a/tools/BUILD.bazel b/tools/BUILD.bazel
index d17e1b1..f172bb2 100644
--- a/tools/BUILD.bazel
+++ b/tools/BUILD.bazel
@@ -1,4 +1,3 @@
-load("@ai_formation_hazel//tools:mangling.bzl", "hazel_library")
 load("@rules_haskell//haskell:defs.bzl", "haskell_binary")
 
 haskell_binary(
@@ -7,9 +6,9 @@ haskell_binary(
     visibility = ["//visibility:public"],
     deps = [
         "//hs-cimple",
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("text"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:text",
     ],
 )
 
@@ -19,9 +18,9 @@ haskell_binary(
     visibility = ["//visibility:public"],
     deps = [
         "//hs-cimple",
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("groom"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:groom",
     ],
 )
 
@@ -31,10 +30,10 @@ haskell_binary(
     visibility = ["//visibility:public"],
     deps = [
         "//hs-cimple",
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("text"),
-        hazel_library("time"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:text",
+        "//third_party/haskell:time",
     ],
 )
 
@@ -44,9 +43,9 @@ haskell_binary(
     visibility = ["//visibility:public"],
     deps = [
         "//hs-cimple",
-        hazel_library("base"),
-        hazel_library("bytestring"),
-        hazel_library("groom"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:bytestring",
+        "//third_party/haskell:groom",
     ],
 )
 
@@ -56,7 +55,7 @@ haskell_binary(
     visibility = ["//visibility:public"],
     deps = [
         "//hs-cimple",
-        hazel_library("base"),
-        hazel_library("groom"),
+        "//third_party/haskell:base",
+        "//third_party/haskell:groom",
     ],
 )