diff --git a/tests/binary-cache.sh b/tests/binary-cache.sh
index 6415c9302..e3b3982fe 100644
--- a/tests/binary-cache.sh
+++ b/tests/binary-cache.sh
@@ -258,9 +258,6 @@ docPath=$(nix-store -q --references $outPath)
 # +---...-multi-output-doc
 
 nix copy --to "file://$cacheDir" $outPath
-( echo $outPath $docPath
-  find $cacheDir
-) >/tmp/blurb
 
 hashpart() {
   basename "$1" | cut -c1-32