diff --git a/tests/phpunit/tests/option/isEqualDatabaseValue.php b/tests/phpunit/tests/option/isEqualDatabaseValue.php
deleted file mode 100644
index 22d1d2ac1c..0000000000
--- a/tests/phpunit/tests/option/isEqualDatabaseValue.php
+++ /dev/null
@@ -1,71 +0,0 @@
-<?php
-/**
- * Tests for _is_equal_database_value().
- *
- * @group option
- *
- * @covers ::_is_equal_database_value
- */
-class Tests_Option_IsEqualDatabaseValue extends WP_UnitTestCase {
-
-	/**
-	 * @ticket 22192
-	 *
-	 * @dataProvider data_is_equal_database_value
-	 *
-	 * @param mixed $old_value The old value to compare.
-	 * @param mixed $new_value The new value to compare.
-	 * @param bool  $expected  The expected result.
-	 */
-	public function test_is_equal_database_value( $old_value, $new_value, $expected ) {
-		$this->assertSame( $expected, _is_equal_database_value( $old_value, $new_value ) );
-	}
-
-	/**
-	 * Data provider.
-	 *
-	 * @return array
-	 */
-	public function data_is_equal_database_value() {
-		return array(
-			// Equal values.
-			array( '123', '123', true ),
-
-			// Not equal values.
-			array( '123', '456', false ),
-
-			// Truthy.
-			array( 1, '1', true ),
-			array( 1.0, '1', true ),
-			array( '1', '1', true ),
-			array( true, '1', true ),
-			array( '1.0', '1', false ),
-			array( '    ', '1', false ),
-			array( array( '0' ), '1', false ),
-			array( new stdClass(), '1', false ),
-			array( 'Howdy, admin!', '1', false ),
-
-			// False-ish values and empty strings.
-			array( 0, '0', true ),
-			array( 0.0, '0', true ),
-			array( '0', '0', true ),
-			array( '', '0', false ),
-			array( false, '0', false ),
-			array( null, '0', false ),
-			array( array(), '0', false ),
-
-			// Object values.
-			array( (object) array( 'foo' => 'bar' ), (object) array( 'foo' => 'bar' ), true ),
-			array( (object) array( 'foo' => 'bar' ), (object) array( 'foo' => 'baz' ), false ),
-			array( (object) array( 'foo' => 'bar' ), serialize( (object) array( 'foo' => 'bar' ) ), false ),
-			array( serialize( (object) array( 'foo' => 'bar' ) ), (object) array( 'foo' => 'bar' ), false ),
-			array( serialize( (object) array( 'foo' => 'bar' ) ), (object) array( 'foo' => 'baz' ), false ),
-
-			// Serialized values.
-			array( array( 'foo' => 'bar' ), serialize( array( 'foo' => 'bar' ) ), false ),
-			array( array( 'foo' => 'bar' ), serialize( array( 'foo' => 'baz' ) ), false ),
-			array( serialize( (object) array( 'foo' => 'bar' ) ), serialize( (object) array( 'foo' => 'bar' ) ), true ),
-			array( serialize( (object) array( 'foo' => 'bar' ) ), serialize( (object) array( 'foo' => 'baz' ) ), false ),
-		);
-	}
-}