diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index c8fa354228ccd..f308a20522b84 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1183,18 +1183,7 @@ self: super: {
   # $HOME, which we don't have in our build sandbox.
   cabal-install-parsers = dontCheck super.cabal-install-parsers;
 
-  # Update to 0.15.0.0 which fixes a security vulnerability
-  # by removing a fundamentally insecure feature. Backporting
-  # a “breaking” release for this seems necessary.
-  # See https://nvd.nist.gov/vuln/detail/CVE-2021-38711
-  #     https://github.com/jgm/gitit/blob/0.15.0.0/CHANGES
-  gitit = overrideCabal super.gitit (old: {
-    jailbreak = true;
-    version = "0.15.0.0";
-    sha256 = "05kz7dxmiabp0gkivn5ngmn3xah3h7a14a421qw6nx2ld1cr9vgf";
-    revision = null;
-    editedCabalFile = null;
-  });
+  gitit = doJailbreak super.gitit;
 
   # Test suite requires database
   persistent-mysql = dontCheck super.persistent-mysql;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/frozen-packages.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/frozen-packages.yaml
index c0004537ea5f3..c6484571e180f 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/frozen-packages.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/frozen-packages.yaml
@@ -5856,7 +5856,7 @@ default-package-overrides:
 - github-webhooks == 0.15.0
 - githud == 3.2.2
 - gitignore == 1.1
-- gitit == 0.13.0.0
+- gitit == 0.15.0.0
 - gitlab-api == 0.0.0.2
 - gitlab-haskell == 0.2.5
 - gitlib == 3.1.3
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 546077f90f39d..ec9f579b42ff5 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -113599,43 +113599,6 @@ self: {
      }) {};
 
   "gitit" = callPackage
-    ({ mkDerivation, aeson, base, base64-bytestring, blaze-html
-     , bytestring, ConfigFile, containers, directory, doctemplates, feed
-     , filepath, filestore, ghc, ghc-paths, happstack-server, hoauth2
-     , hslogger, HStringTemplate, HTTP, http-client-tls, http-conduit
-     , json, mtl, network, network-bsd, network-uri, old-locale
-     , old-time, pandoc, pandoc-types, parsec, pretty, process, random
-     , recaptcha, safe, SHA, skylighting, split, syb, tagsoup, text
-     , time, uri-bytestring, url, utf8-string, uuid, xhtml, xml
-     , xml-conduit, xml-types, xss-sanitize, zlib
-     }:
-     mkDerivation {
-       pname = "gitit";
-       version = "0.13.0.0";
-       sha256 = "1d9vfjhr38xxpm0fq0b6dy581a1qacqg643njp8z2fz37rma3z15";
-       isLibrary = true;
-       isExecutable = true;
-       enableSeparateDataOutput = true;
-       libraryHaskellDepends = [
-         aeson base base64-bytestring blaze-html bytestring ConfigFile
-         containers directory doctemplates feed filepath filestore ghc
-         ghc-paths happstack-server hoauth2 hslogger HStringTemplate HTTP
-         http-client-tls http-conduit json mtl network network-bsd
-         network-uri old-locale old-time pandoc pandoc-types parsec pretty
-         process random recaptcha safe SHA skylighting split syb tagsoup
-         text time uri-bytestring url utf8-string uuid xhtml xml xml-conduit
-         xml-types xss-sanitize zlib
-       ];
-       executableHaskellDepends = [
-         base bytestring directory filepath hslogger HTTP mtl network
-         network-uri syb text url utf8-string
-       ];
-       description = "Wiki using happstack, git or darcs, and pandoc";
-       license = "GPL";
-       maintainers = with lib.maintainers; [ sternenseemann ];
-     }) {};
-
-  "gitit_0_15_0_0" = callPackage
     ({ mkDerivation, aeson, base, base64-bytestring, blaze-html
      , bytestring, ConfigFile, containers, directory, doctemplates, feed
      , filepath, filestore, ghc, ghc-paths, happstack-server, hoauth2
@@ -113669,7 +113632,6 @@ self: {
        ];
        description = "Wiki using happstack, git or darcs, and pandoc";
        license = "GPL";
-       hydraPlatforms = lib.platforms.none;
        maintainers = with lib.maintainers; [ sternenseemann ];
      }) {};