diff --git a/tests/Common/AbstractMigrationBuilderTest.php b/tests/Common/AbstractMigrationBuilderTest.php
index 235f9e12..a63b82d8 100644
--- a/tests/Common/AbstractMigrationBuilderTest.php
+++ b/tests/Common/AbstractMigrationBuilderTest.php
@@ -219,10 +219,6 @@ public function testAddColumn(string $type, ?string $expectedComment = null): vo
             }
         }
 
-        if ($expectedComment === null && $this->db->getDriverName() === 'mysql') {
-            $expectedComment = '';
-        }
-
         $this->builder->createTable('test', ['id' => 'int']);
         $this->builder->addColumn('test', 'code', $type);
 
@@ -307,10 +303,6 @@ public function testAlterColumn(string $type, string|null $defaultValue = null,
             'oci' => str_replace('string(4)', 'varchar2(4)', $expectedOutputString),
         };
 
-        if ($expectedComment === null && $this->db->getDriverName() === 'mysql') {
-            $expectedComment = '';
-        }
-
         $this->builder->createTable('test', ['id' => ColumnBuilder::integer()]);
         $this->builder->alterColumn('test', 'id', $type);