diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
index b6595f67fee..4b5a7360335 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
@@ -60,7 +60,6 @@ self: super: {
   zlib = doJailbreak super.zlib;
 
   # Use the latest version to fix the build.
-  microlens-th = self.microlens-th_0_4_3_5;
   optics-core = self.optics-core_0_3;
   repline = self.repline_0_3_0_0;
   ghc-lib-parser-ex = self.ghc-lib-parser-ex_8_10_0_4;