diff --git a/extensions/QA/Config.pm b/extensions/QA/Config.pm
index 87726a5..59799ec 100644
--- a/extensions/QA/Config.pm
+++ b/extensions/QA/Config.pm
@@ -7,7 +7,6 @@
 
 package Bugzilla::Extension::QA;
 
-use 5.10.1;
 use strict;
 
 use constant NAME => 'QA';
@@ -18,4 +17,4 @@ use constant REQUIRED_MODULES => [
 use constant OPTIONAL_MODULES => [
 ];
 
-__PACKAGE__->NAME;
\ No newline at end of file
+__PACKAGE__->NAME;
diff --git a/extensions/QA/Extension.pm b/extensions/QA/Extension.pm
index 58edc30..b5f404d 100644
--- a/extensions/QA/Extension.pm
+++ b/extensions/QA/Extension.pm
@@ -7,9 +7,8 @@
 
 package Bugzilla::Extension::QA;
 
-use 5.10.1;
 use strict;
-use parent qw(Bugzilla::Extension);
+use base qw(Bugzilla::Extension);
 
 use Bugzilla::Extension::QA::Util;
 use Bugzilla::Constants;
@@ -36,22 +35,20 @@ sub page_before_template {
     my $action = $cgi->param('action') || '';
     my $vars = { sender => $user, action => $action, pid => $$ };
 
-    given ($action) {
-        when ('create') {
-            $tmpl_file = 'qa/create_bug.txt.tmpl';
-        }
-        when ('create_with_headers') {
-            $tmpl_file = 'qa/create_bug_with_headers.txt.tmpl';
-        }
-        when (/^update(_with_headers)?$/) {
-            my $f = $1 // '';
-            $tmpl_file = "qa/update_bug$f.txt.tmpl";
-            my $bug = Bugzilla::Bug->check($cgi->param('bug_id'));
-            $vars->{bug_id} = $bug->id;
-        }
-        default {
-            ThrowUserError('unknown_action', { action => $action });
-        }
+    if ($action eq 'create') {
+        $tmpl_file = 'qa/create_bug.txt.tmpl';
+    }
+    elsif ($action eq 'create_with_headers') {
+        $tmpl_file = 'qa/create_bug_with_headers.txt.tmpl';
+    }
+    elsif ($action =~ /^update(_with_headers)?$/) {
+        my $f = $1 || '';
+        $tmpl_file = "qa/update_bug$f.txt.tmpl";
+        my $bug = Bugzilla::Bug->check($cgi->param('bug_id'));
+        $vars->{bug_id} = $bug->id;
+    }
+    else {
+        ThrowUserError('unknown_action', { action => $action });
     }
 
     $template->process($tmpl_file, $vars, \$output)
@@ -71,4 +68,4 @@ sub page_before_template {
       or ThrowTemplateError($template->error());
 }
 
-__PACKAGE__->NAME;
\ No newline at end of file
+__PACKAGE__->NAME;
diff --git a/extensions/QA/lib/Util.pm b/extensions/QA/lib/Util.pm
index a4fd63f..9bc2d8d 100644
--- a/extensions/QA/lib/Util.pm
+++ b/extensions/QA/lib/Util.pm
@@ -7,9 +7,8 @@
 
 package Bugzilla::Extension::QA::Util;
 
-use 5.10.1;
 use strict;
-use parent qw(Exporter);
+use base qw(Exporter);
 
 our @EXPORT = qw(
     parse_output
@@ -20,7 +19,7 @@ sub parse_output {
 
     $vars->{error} = ($output =~ /software error/i) ? 1 : 0;
     $vars->{output} = $output;
-    $vars->{bug_id} //= ($output =~ /Created bug (\d+)/i) ? $1 : undef;
+    $vars->{bug_id} ||= ($output =~ /Created bug (\d+)/i) ? $1 : undef;
 }
 
-1;
\ No newline at end of file
+1;