diff --git a/scripts/download-using-manifests.pl.in b/scripts/download-using-manifests.pl.in
index f963eead1..8207aaaa4 100644
--- a/scripts/download-using-manifests.pl.in
+++ b/scripts/download-using-manifests.pl.in
@@ -19,8 +19,6 @@ chdir $tmpDir or die "cannot change to `$tmpDir': $!";
 my $tmpNar = "$tmpDir/nar";
 my $tmpNar2 = "$tmpDir/nar2";
 
-END { unlink $tmpNar; unlink $tmpNar2; rmdir $tmpDir; }
-
 
 # Load all manifests.
 my %narFiles;
diff --git a/scripts/nix-copy-closure.in b/scripts/nix-copy-closure.in
index 1b1b3ebc8..0fa4e870f 100644
--- a/scripts/nix-copy-closure.in
+++ b/scripts/nix-copy-closure.in
@@ -6,7 +6,7 @@ $binDir = "@bindir@" unless defined $binDir;
 
 if (scalar @ARGV < 1) {
     print STDERR <<EOF
-Usage: nix-copy-closure [--from | --to] HOSTNAME [--sign] PATHS...
+Usage: nix-copy-closure [--from | --to] HOSTNAME [--sign] [--gzip] PATHS...
 EOF
     ;
     exit 1;