diff --git a/ci/ciimage/ubuntu-rolling/install.sh b/ci/ciimage/ubuntu-rolling/install.sh
index 4d8430436f4a..1706d837dc00 100755
--- a/ci/ciimage/ubuntu-rolling/install.sh
+++ b/ci/ciimage/ubuntu-rolling/install.sh
@@ -82,75 +82,12 @@ cp LICENSE /usr/share/doc/zig
 cd ..
 rm -rf "$ZIG_BASE"
 
-cd /
 # Hack for https://github.com/linux-test-project/lcov/issues/245
 # https://github.com/linux-test-project/lcov/commit/bf135caf5f626e02191c42bd2773e08a0bb9b7e5
-patch -p1 <<-EOF
---- a/usr/bin/genhtml
-+++ b/usr/bin/genhtml
-@@ -5971,11 +5971,35 @@ sub gen_html()
-             $no_prefix = 1;
-         }
-     } else {
--        my $msg = "Using user-specified filename prefix ";
--        for my $i (0 .. $#dir_prefix) {
--            $dir_prefix[$i] =~ s/$lcovutil::dirseparator+$//;
-+        my $msg  = "Using user-specified filename prefix ";
-+        my $dirs = $current_data->directories();
-+        my $i    = 0;
-+        # somewhat of a hack:  the layout code doesn't react well when
-+        #  the 'prefix' directory contains source files (as opposed to
-+        #  containing a directory which contains source files).
-+        # Rather than trying to handle that special case, just munge the
-+        #  prefix to be something we like better.
-+        while ($i <= $#dir_prefix) {
-+            my $p = $dir_prefix[$i];
-+            # remove redundant /'s
-+            $p =~ s/$lcovutil::dirseparator+$//;
-+            $p = substr($p, 0, -1)
-+                if $lcovutil::dirseparator eq substr($p, -1);
-+            while (exists($dirs->{$p}) && $p) {
-+                $p = File::Basename::dirname($p);
-+            }
-+            unless ($p) {
-+                lcovutil::info("skipping prefix $dir_prefix[$i]\n");
-+                splice(@dir_prefix, $i, 1);
-+                next;
-+            }
-+            lcovutil::info(
-+                          "using prefix '$p' (rather than '$dir_prefix[$i]')\n")
-+                if ($p ne $dir_prefix[$i]);
-+            $dir_prefix[$i] = $p;
-             $msg .= ", " unless 0 == $i;
--            $msg .= "\"" . $dir_prefix[$i] . "\"";
-+            $msg .= "\"" . $p . "\"";
-+            ++$i;
-         }
-         info($msg . "\n");
-     }
---- a/usr/lib/lcov/lcovutil.pm
-+++ b/usr/lib/lcov/lcovutil.pm
-@@ -5213,6 +5213,19 @@ sub files
-     return keys %{$self->[FILES]};
- }
- 
-+sub directories
-+{
-+    my $self = shift;
-+    # return hash of directories whcih contain source files
-+    my %dirs;
-+    foreach my $f ($self->files()) {
-+        my $d = File::Basename::dirname($f);
-+        $dirs{$d} = [] unless exists($dirs{$d});
-+        push(@{$dirs{$d}}, $f);
-+    }
-+    return \%dirs;
-+}
-+
- sub file_exists
- {
-     my ($self, $name) = @_;
-EOF
+# XXX: Drop this once Ubuntu has lcov-2.1*
+git clone https://github.com/linux-test-project/lcov
+cd lcov
+make install
 
 # cleanup
 apt-get -y clean