diff --git a/Koha/Illrequest.pm b/Koha/Illrequest.pm
index 831d6fa52d..4ea0bbaf3b 100644
--- a/Koha/Illrequest.pm
+++ b/Koha/Illrequest.pm
@@ -2003,6 +2003,33 @@ sub strings_map {
     return $strings;
 }
 
+=head3 check_url_param_deprecation
+
+    Koha::Illrequest->check_url_param_deprecation($params);
+
+Check URL params and issue a deprecation message if any deprecated parameters are found
+
+=cut
+
+sub check_url_param_deprecation {
+    my ( $self, $params ) = @_;
+
+    my $deprecation_message;
+
+    $deprecation_message = '"method" form param is DEPRECATED in favor of "op". ' if ( exists( $params->{'method'} ) );
+
+    if (   exists( $params->{'op'} ) && $params->{'op'} eq 'create'
+        || exists( $params->{'method'} ) && $params->{'method'} eq 'create' )
+    {
+        $deprecation_message .= '"create" op is DEPRECATED in favor of "cud-create" or "add_form".';
+    }
+
+    $deprecation_message .= ' Used by ' . $params->{'backend'} . ' backend.'
+        if $params->{'backend'} && $deprecation_message;
+
+    deprecated $deprecation_message if $deprecation_message;
+}
+
 =head3 _type
 
 =cut
diff --git a/opac/opac-illrequests.pl b/opac/opac-illrequests.pl
index 83c7a11e31..df3c44dd47 100755
--- a/opac/opac-illrequests.pl
+++ b/opac/opac-illrequests.pl
@@ -27,10 +27,9 @@ use C4::Koha;
 use C4::Output qw( output_html_with_http_headers );
 use POSIX qw( strftime );
 
-use Mojo::Util qw(deprecated);
-
 use Koha::Illrequest::Config;
 use Koha::Illrequests;
+use Koha::Illrequest;
 use Koha::Libraries;
 use Koha::Patrons;
 use Koha::Illrequest::Workflow::Availability;
@@ -62,12 +61,9 @@ my $backends_available = ( scalar @{$backends} > 0 );
 $template->param( backends_available => $backends_available );
 my $patron = Koha::Patrons->find($loggedinuser);
 
-show_param_deprecation_message('"method" form param is DEPRECATED in favor of "op".') if ( $params->{'method'} );
+Koha::Illrequest->check_url_param_deprecation($params);
 
 my $op = $params->{'op'} // $params->{'method'} // 'list';
-
-show_param_deprecation_message('"create" op is DEPRECATED in favor of "cud-create".') if ( $op eq 'create' );
-
 $op = 'cud-create' if $op eq 'create' || $op eq 'add_form';
 
 my ( $illrequest_id, $request );
@@ -186,17 +182,6 @@ if ( $op eq 'list' ) {
     }
 }
 
-=head3 show_param_deprecation_message
-
-Generate deprecation message for the given parameter and append the backend information if available
-
-=cut
-sub show_param_deprecation_message {
-    my ($message) = @_;
-    $message .= ' Used by ' . $params->{'backend'} . ' backend' if $params->{'backend'};
-    deprecated $message;
-}
-
 $template->param(
     can_place_ill_in_opac => $patron->_result->categorycode->can_place_ill_in_opac,
     message               => $params->{message},