diff --git a/scripts/maintenance/gc-commands b/scripts/maintenance/gc-commands
deleted file mode 100644
index 3d548da19a..0000000000
--- a/scripts/maintenance/gc-commands
+++ /dev/null
@@ -1,2 +0,0 @@
-./gc-releases.pl /data/releases/patches/all-patches $(find /data/releases -name MANIFEST) | sort > dead
-cat dead | xargs -d '\n' sh -c 'find "$@" -mtime +100 -print' | xargs -d '\n' mv -v --target-directory=/data/releases/trash/
diff --git a/scripts/maintenance/gc-releases.pl b/scripts/maintenance/gc-releases.pl
deleted file mode 100755
index b1e41a97c0..0000000000
--- a/scripts/maintenance/gc-releases.pl
+++ /dev/null
@@ -1,58 +0,0 @@
-#! /var/run/current-system/sw/bin/perl -w -I. -I..
-
-use strict;
-use NixManifest;
-use readcache;
-use File::Basename;
-
-
-# Read the manifests.
-my %narFiles;
-my %patches;
-
-foreach my $manifest (@ARGV) {
-    print STDERR "loading $manifest\n";
-    if (readManifest($manifest, \%narFiles, \%patches, 1) < 3) {
-#        die "manifest `$manifest' is too old (i.e., for Nix <= 0.7)\n";
-    }
-}
-
-
-# Find the live archives.
-my %usedFiles;
-
-foreach my $narFile (keys %narFiles) {
-    foreach my $file (@{$narFiles{$narFile}}) {
-        $file->{url} =~ /\/([^\/]+)$/;
-        my $basename = $1;
-        die unless defined $basename;
-#        print $basename, "\n";
-        $usedFiles{$basename} = 1;
-        print STDERR "missing archive `$basename'\n"
-            unless defined $readcache::archives{$basename};
-    }
-}
-
-foreach my $patch (keys %patches) {
-    foreach my $file (@{$patches{$patch}}) {
-        $file->{url} =~ /\/([^\/]+)$/;
-        my $basename = $1;
-        die unless defined $basename;
-#        print $basename, "\n";
-        $usedFiles{$basename} = 1;
-        die "missing archive `$basename'"
-            unless defined $readcache::archives{$basename};
-    }
-}
-
-
-# Print out the dead archives.
-foreach my $archive (keys %readcache::archives) {
-    next if $archive eq "." || $archive eq "..";
-    if (!defined $usedFiles{$archive}) {
-	my $file = $readcache::archives{$archive};
-        print "$file\n";
-	my $hashFile = dirname($file) . "/.hash." . basename($file);
-	print "$hashFile\n" if -e $hashFile;
-    }
-}
diff --git a/scripts/maintenance/readcache.pm b/scripts/maintenance/readcache.pm
deleted file mode 100644
index 9addf02aa9..0000000000
--- a/scripts/maintenance/readcache.pm
+++ /dev/null
@@ -1,21 +0,0 @@
-package readcache;
-use strict;
-
-# Read the archive directories.
-our %archives;
-
-sub readDir {
-    my $dir = shift;
-    opendir(DIR, "$dir") or die "cannot open `$dir': $!";
-    my @as = readdir DIR;
-    foreach my $archive (@as) {
-        next unless $archive =~ /^sha256_/ || $archive =~ /\.nar-bsdiff$/ || $archive =~ /\.nar\.bz2$/;
-        $archives{$archive} = "$dir/$archive";
-    }
-    closedir DIR;
-}
-
-readDir "/data/releases/nars";
-readDir "/data/releases/patches";
-
-print STDERR scalar (keys %archives), "\n";
diff --git a/scripts/maintenance/shrink-manifest.pl b/scripts/maintenance/shrink-manifest.pl
deleted file mode 100755
index 60cf9c5b46..0000000000
--- a/scripts/maintenance/shrink-manifest.pl
+++ /dev/null
@@ -1,76 +0,0 @@
-#! /usr/bin/perl -w -I. -I..
-
-use strict;
-use readmanifest;
-use readcache;
-
-
-my %allNarFiles;
-my %allLocalPaths;
-my %allPatches;
-
-foreach my $manifest (glob "/data/webserver/dist/*/*/MANIFEST") {
-    print STDERR "loading $manifest\n";
-    readManifest($manifest, \%allNarFiles, \%allLocalPaths, \%allPatches, 1);
-}
-
-
-
-foreach my $manifest (@ARGV) {
-
-    print STDERR "shrinking manifest $manifest...\n";
-
-    my %narFiles;
-    my %patches;
-
-    if (readManifest($manifest, \%narFiles, \%patches, 1) < 3) {
-        print STDERR "manifest `$manifest' is too old (i.e., for Nix <= 0.7)\n";
-	next;
-    }
-
-    my %done;
-
-    sub traverse {
-	my $p = shift;
-	my $prefix = shift;
-	print "$prefix$p\n";
-
-	my $reachesNAR = 0;
-
-	foreach my $patch (@{$patches{$p}}) {
-	    next if defined $done{$patch->{url}};
-	    $done{$patch->{url}} = 1;
-	    $reachesNAR = 1 if traverse ($patch->{basePath}, $prefix . "  ");
-	}
-
-	$reachesNAR = 1 if defined $allNarFiles{$p};
-
-	print "  $prefix$reachesNAR\n";
-	return $reachesNAR;
-    }
-
-#    foreach my $p (keys %narFiles) {
-#	traverse ($p, "");
-#    }
-
-    my %newPatches;
-
-    foreach my $p (keys %patches) {
-	my $patchList = $patches{$p};
-	my @newList;
-	foreach my $patch (@{$patchList}) {
-	    if (! defined $allNarFiles{$patch->{basePath}} || 
-		! defined $allNarFiles{$p} ) 
-	    {
-#		print "REMOVING PATCH ", $patch->{basePath}, " -> ", $p, "\n";
-	    } else {
-#		print "KEEPING PATCH ", $patch->{basePath}, " -> ", $p, "\n";
-		push @newList, $patch;
-	    }
-	}
-	$newPatches{$p} = \@newList;
-    }
-
-    writeManifest ($manifest, \%narFiles, \%newPatches);
-}
-