diff --git a/default.nix b/default.nix
index 12d42d5801327648670c24ec6fd723dd08f5bdd7..3ed9bd53dcd5a4d9f06600a2c57c5eafdf0af56f 100644
--- a/default.nix
+++ b/default.nix
@@ -37,11 +37,6 @@ let
       mesonBuildType = "debug";
       hardeningDisable = [ "all" ];
       dontStrip = true;
-      # Keep files generated by GCOV, so depending jobs can use them.
-      postInstall = pkgs.lib.optionalString doCoverage ''
-        mkdir -p $out/gcno
-        cp batsched.p/*.gcno $out/gcno/
-      '';
     });
 
     # Batmen integration tests.