diff --git a/database/migrations/2024_12_28_051451_create_study_reports_table.php b/database/migrations/2024_12_28_051451_create_study_reports_table.php
index 3a327e9..6474645 100644
--- a/database/migrations/2024_12_28_051451_create_study_reports_table.php
+++ b/database/migrations/2024_12_28_051451_create_study_reports_table.php
@@ -22,12 +22,8 @@ public function up(): void
             $table->foreignIdFor(Facility::class)->index()->nullable()->constrained()->nullOnDelete();
             $table->foreignIdFor(Study::class)->index()->constrained()->cascadeOnDelete();
             $table->foreignIdFor(User::class, 'read_by_id')->index()->constrained()->cascadeOnDelete();
-
             $table->foreignIdFor(User::class, 'dictated_by_id')->index()->nullable()->constrained()->nullOnDelete();
-            $table->timestamp('dictated_at')->nullable();
-
             $table->foreignIdFor(User::class, 'approved_by_id')->index()->nullable()->constrained()->nullOnDelete();
-            $table->timestamp('approved_at')->nullable();
 
             $table->string('report_title')->nullable();
             $table->binary('content')->nullable();