diff --git a/tests/phpunit/tests/image/editorGd.php b/tests/phpunit/tests/image/editorGd.php
index 480d66f0ac..275c7597a0 100644
--- a/tests/phpunit/tests/image/editorGd.php
+++ b/tests/phpunit/tests/image/editorGd.php
@@ -531,7 +531,6 @@ class Tests_Image_Editor_GD extends WP_Image_UnitTestCase {
 		$expected = imagecolorsforindex( $image, $rgb );
 
 		$editor = new WP_Image_Editor_GD( $file );
-				$this->assertNotWPError( $editor );
 				$editor->load();
 				$editor->rotate( 180 );
 				$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
diff --git a/tests/phpunit/tests/image/editorImagick.php b/tests/phpunit/tests/image/editorImagick.php
index 3d2f6354b3..8bb2cd1d9a 100644
--- a/tests/phpunit/tests/image/editorImagick.php
+++ b/tests/phpunit/tests/image/editorImagick.php
@@ -465,9 +465,6 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase {
 		$file = DIR_TESTDATA . '/images/transparent.png';
 
 		$editor = new WP_Image_Editor_Imagick( $file );
-
-		$this->assertNotWPError( $editor );
-
 		$editor->load();
 		$editor->resize( 5, 5 );
 		$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
@@ -492,9 +489,6 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase {
 		$file = DIR_TESTDATA . '/images/transparent.png';
 
 		$editor = new WP_Image_Editor_Imagick( $file );
-
-		$this->assertNotWPError( $editor );
-
 		$editor->load();
 
 		$save_to_file = tempnam( get_temp_dir(), '' ) . '.png';
@@ -525,7 +519,6 @@ class Tests_Image_Editor_Imagick extends WP_Image_UnitTestCase {
 
 		$image_editor = new WP_Image_Editor_Imagick( $save_to_file );
 		$image_editor->load();
-		$this->assertNotWPError( $image_editor );
 		$image_editor->rotate( 180 );
 		$image_editor->save( $save_to_file );