diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
index 1ce1f2dd6dcf..7538c3697412 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
@@ -584,7 +584,6 @@ self: super: {
 
   # Older versions don't compile.
   brick = self.brick_0_36;
-  data-inttrie = self.data-inttrie_0_1_4;
   HaTeX = self.HaTeX_3_19_0_0;
   matrix = self.matrix_0_3_6_1;
   pandoc = self.pandoc_2_1_3;