diff --git a/classes/migration/upgrade/v3_4_0/I6093_AddForeignKeys.php b/classes/migration/upgrade/v3_4_0/I6093_AddForeignKeys.php
index 4265b7e4890..4b9982a42e2 100644
--- a/classes/migration/upgrade/v3_4_0/I6093_AddForeignKeys.php
+++ b/classes/migration/upgrade/v3_4_0/I6093_AddForeignKeys.php
@@ -41,8 +41,6 @@ public function up(): void
 
         Schema::table('sections', function (Blueprint $table) {
             $table->foreign('review_form_id', 'sections_review_form_id')->references('review_form_id')->on('review_forms')->onDelete('set null');
-            $table->index(['review_form_id'], 'sections_review_form_id');
-
             $table->foreign('journal_id', 'sections_journal_id')->references('journal_id')->on('journals')->onDelete('cascade');
         });