diff --git a/pkgs/build-support/trivial-builders/default.nix b/pkgs/build-support/trivial-builders/default.nix
index d43d30b7ec25..2f50d3c4a66a 100644
--- a/pkgs/build-support/trivial-builders/default.nix
+++ b/pkgs/build-support/trivial-builders/default.nix
@@ -1076,7 +1076,7 @@ rec {
       }
       # Carry (and merge) information from the underlying `src` if present.
       // (optionalAttrs (src ? meta) {
-        inherit (src) meta;
+        meta = removeAttrs src.meta [ "position" ];
       })
       // (optionalAttrs (extraPassthru != { } || src ? passthru) {
         passthru = extraPassthru // src.passthru or { };