--- a/src/backend/meson.build
+++ b/src/backend/meson.build
@@ -38,8 +38,6 @@
   dependencies: px_backend_deps,
   c_args: px_backend_c_args,
   install: true,
-  install_dir: pkglibdir,
-  install_rpath: pkglibdir
 )
 
 px_backend_dep = declare_dependency(
