diff --git a/pkgs/by-name/lc/lcov/package.nix b/pkgs/by-name/lc/lcov/package.nix
index 944c6b4bb853..9930d50ead73 100644
--- a/pkgs/by-name/lc/lcov/package.nix
+++ b/pkgs/by-name/lc/lcov/package.nix
@@ -44,8 +44,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   preBuild = ''
     patchShebangs --build bin/{fix.pl,get_version.sh} tests/*/*
-    patchShebangs --host bin/{gen*,lcov,perl2lcov}
-    makeFlagsArray=(PREFIX=$out LCOV_PERL_PATH=${lib.getExe perl})
+    makeFlagsArray=(PREFIX=$out)
   '';
 
   postInstall = ''