diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 8ae867b8fdfc..ac9eecff5f1a 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -2935,13 +2935,6 @@ self: super: {
     hash = "sha256-zugyUpEq/iVkxghrvguL95+lJDEpE8MLvZivken0p24=";
   }) super.nix-serve-ng;
 
-  # Needs a matching version of ipython-kernel and a
-  # ghc-syntax-highlighter compatible with a newer ghc-lib-parser it
-  # transitively pulls in
-  ihaskell = super.ihaskell.overrideScope (self: super: {
-    ghc-syntax-highlighter = self.ghc-syntax-highlighter_0_0_10_0;
-  });
-
   # 2024-01-24: support optparse-applicative 0.18
   niv = appendPatches [
     (fetchpatch {
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
index bfae92c38572..a6ecdfcfbb02 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
+++ b/pkgs/development/haskell-modules/configuration-hackage2nix/main.yaml
@@ -63,7 +63,6 @@ extra-packages:
   - ghc-lib-parser == 9.8.*             # 2024-05-19: preserve for GHC 9.8
   - ghc-lib-parser-ex == 9.2.*          # 2022-07-13: preserve for GHC 8.10, 9.0
   - ghc-lib-parser-ex == 9.8.*          # 2024-05-19: preserve for GHC 9.8
-  - ghc-syntax-highlighter == 0.0.10.*  # 2023-11-20:
   - gi-soup == 2.4.28                   # 2023-04-05: the last version to support libsoup-2.4 (and thus be compatible with our other gi- packages)
   - haddock == 2.23.*                   # required on GHC < 8.10.x
   - haddock-api == 2.23.*               # required on GHC < 8.10.x