diff --git a/tests/phpunit/data/images/canola-150x150.jpg b/tests/phpunit/data/images/canola-150x150.jpg
deleted file mode 100644
index 994e20d20b..0000000000
Binary files a/tests/phpunit/data/images/canola-150x150.jpg and /dev/null differ
diff --git a/tests/phpunit/data/images/canola-300x225.jpg b/tests/phpunit/data/images/canola-300x225.jpg
deleted file mode 100644
index 207e8ed1c6..0000000000
Binary files a/tests/phpunit/data/images/canola-300x225.jpg and /dev/null differ
diff --git a/tests/phpunit/tests/widgets/media-image-widget.php b/tests/phpunit/tests/widgets/media-image-widget.php
index ebd41d6b31..7fadbbc7d3 100644
--- a/tests/phpunit/tests/widgets/media-image-widget.php
+++ b/tests/phpunit/tests/widgets/media-image-widget.php
@@ -310,13 +310,16 @@ class Test_WP_Widget_Media_Image extends WP_UnitTestCase {
 	 */
 	function test_render_media() {
 		$widget = new WP_Widget_Media_Image();
+
+		$test_image = '/tmp/canola.jpg';
+		copy( DIR_TESTDATA . '/images/canola.jpg', $test_image );
 		$attachment_id = self::factory()->attachment->create_object( array(
-			'file' => DIR_TESTDATA . '/images/canola.jpg',
+			'file' => $test_image,
 			'post_parent' => 0,
 			'post_mime_type' => 'image/jpeg',
 			'post_title' => 'Canola',
 		) );
-		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, DIR_TESTDATA . '/images/canola.jpg' ) );
+		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $test_image ) );
 
 		// Should be empty when there is no attachment_id.
 		ob_start();
diff --git a/tests/phpunit/tests/widgets/media-widget.php b/tests/phpunit/tests/widgets/media-widget.php
index 6483323322..6620101a2f 100644
--- a/tests/phpunit/tests/widgets/media-widget.php
+++ b/tests/phpunit/tests/widgets/media-widget.php
@@ -128,13 +128,16 @@ class Test_WP_Widget_Media extends WP_UnitTestCase {
 	 * @covers WP_Widget_Media::is_attachment_with_mime_type
 	 */
 	function test_is_attachment_with_mime_type() {
+
+		$test_image = '/tmp/canola.jpg';
+		copy( DIR_TESTDATA . '/images/canola.jpg', $test_image );
 		$attachment_id = self::factory()->attachment->create_object( array(
-			'file' => DIR_TESTDATA . '/images/canola.jpg',
+			'file' => $test_image,
 			'post_parent' => 0,
 			'post_mime_type' => 'image/jpeg',
 			'post_title' => 'Canola',
 		) );
-		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, DIR_TESTDATA . '/images/canola.jpg' ) );
+		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $test_image ) );
 		$widget = $this->get_mocked_class_instance();
 
 		$this->assertFalse( $widget->is_attachment_with_mime_type( 0, 'image' ) );