diff --git a/pkgs/applications/misc/tilix/default.nix b/pkgs/applications/misc/tilix/default.nix
index 5cd1b78e5c12..eb7a8e41d4b0 100644
--- a/pkgs/applications/misc/tilix/default.nix
+++ b/pkgs/applications/misc/tilix/default.nix
@@ -21,7 +21,6 @@ stdenv.mkDerivation rec {
 
   preBuild = ''
     makeFlagsArray=(
-      PERL5LIB="${perlPackages.Po4a}/lib/perl5/site_perl"
       DCFLAGS='-O -inline -release -version=StdLoggerDisableTrace'
     )
   '';