diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
index a34c5110db85..d6efd52d2e1e 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml
@@ -3055,7 +3055,6 @@ broken-packages:
   - iap-verifier # failure in job https://hydra.nixos.org/build/233202491 at 2023-09-02
   - iban # failure in job https://hydra.nixos.org/build/233236424 at 2023-09-02
   - ib-api # failure in job https://hydra.nixos.org/build/233223054 at 2023-09-02
-  - iCalendar # failure in job https://hydra.nixos.org/build/252886686 at 2024-03-16
   - ical # failure in job https://hydra.nixos.org/build/233200229 at 2023-09-02
   - icepeak # failure in job https://hydra.nixos.org/build/233242326 at 2023-09-02
   - icfpc2020-galaxy # failure in job https://hydra.nixos.org/build/233208746 at 2023-09-02
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index b3437248fc93..5ad83946195e 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -172001,8 +172001,6 @@ self: {
        ];
        description = "iCalendar data types, parser, and printer";
        license = lib.licenses.bsd3;
-       hydraPlatforms = lib.platforms.none;
-       broken = true;
      }) {};
 
   "iException" = callPackage