diff --git a/wp-includes/class-wp-image-editor-gd.php b/wp-includes/class-wp-image-editor-gd.php
index 37598b2a5e..371552c28c 100644
--- a/wp-includes/class-wp-image-editor-gd.php
+++ b/wp-includes/class-wp-image-editor-gd.php
@@ -231,8 +231,9 @@ class WP_Image_Editor_GD extends WP_Image_Editor {
 			}
 
 			$image = $this->_resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
+			$duplicate = ( ( $orig_size['width'] == $size_data['width'] ) && ( $orig_size['height'] == $size_data['height'] ) );
 
-			if( ! is_wp_error( $image ) ) {
+			if ( ! is_wp_error( $image ) && ! $duplicate ) {
 				$resized = $this->_save( $image );
 
 				imagedestroy( $image );
diff --git a/wp-includes/class-wp-image-editor-imagick.php b/wp-includes/class-wp-image-editor-imagick.php
index 5dc326f021..a70bebdaeb 100644
--- a/wp-includes/class-wp-image-editor-imagick.php
+++ b/wp-includes/class-wp-image-editor-imagick.php
@@ -301,8 +301,9 @@ class WP_Image_Editor_Imagick extends WP_Image_Editor {
 			}
 
 			$resize_result = $this->resize( $size_data['width'], $size_data['height'], $size_data['crop'] );
+			$duplicate = ( ( $orig_size['width'] == $size_data['width'] ) && ( $orig_size['height'] == $size_data['height'] ) );
 
-			if( ! is_wp_error( $resize_result ) ) {
+			if ( ! is_wp_error( $resize_result ) && ! $duplicate ) {
 				$resized = $this->_save( $this->image );
 
 				$this->image->clear();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 287a5b0d66..81b95148f6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31575';
+$wp_version = '4.2-alpha-31576';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.