diff --git a/core/modules/responsive_image/responsive_image.module b/core/modules/responsive_image/responsive_image.module
index abfb96b..1758430 100644
--- a/core/modules/responsive_image/responsive_image.module
+++ b/core/modules/responsive_image/responsive_image.module
@@ -535,9 +535,9 @@ function _responsive_image_image_style_url($style_name, $path) {
   }
   $entity = ImageStyle::load($style_name);
   if ($entity instanceof ImageStyle) {
-    return file_url_transform_relative($entity->buildUrl($path));
+    return $entity->buildUrl($path);
   }
-  return file_url_transform_relative(file_create_url($path));
+  return file_create_url($path);
 }
 
 /**
diff --git a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
index b50d71b..a161c56 100644
--- a/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
+++ b/core/modules/responsive_image/src/Tests/ResponsiveImageFieldDisplayTest.php
@@ -285,10 +285,10 @@ protected function doTestResponsiveImageFieldFormatters($scheme, $empty_styles =
       $this->assertRaw('data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==');
       $thumbnail_style = ImageStyle::load('thumbnail');
       // Assert the output of the 'srcset' attribute (small multipliers first).
-      $this->assertRaw('data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== 1x, ' . file_url_transform_relative($thumbnail_style->buildUrl($image_uri)) . ' 1.5x');
+      $this->assertRaw('data:image/gif;base64,R0lGODlhAQABAIABAP///wAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== 1x, ' . $thumbnail_style->buildUrl($image_uri) . ' 1.5x');
       $this->assertRaw('/styles/medium/');
       // Assert the output of the original image.
-      $this->assertRaw(file_url_transform_relative(file_create_url($image_uri)) . ' 3x');
+      $this->assertRaw(file_create_url($image_uri) . ' 3x');
       // Assert the output of the breakpoints.
       $this->assertRaw('media="(min-width: 0px)"');
       $this->assertRaw('media="(min-width: 560px)"');
@@ -297,7 +297,7 @@ protected function doTestResponsiveImageFieldFormatters($scheme, $empty_styles =
       $this->assertPattern('/media="\(min-width: 560px\)".+?sizes="\(min-width: 700px\) 700px, 100vw"/');
       // Assert the output of the 'srcset' attribute (small images first).
       $medium_style = ImageStyle::load('medium');
-      $this->assertRaw(file_url_transform_relative($medium_style->buildUrl($image_uri)) . ' 220w, ' . file_url_transform_relative($large_style->buildUrl($image_uri)) . ' 360w');
+      $this->assertRaw($medium_style->buildUrl($image_uri) . ' 220w, ' . $large_style->buildUrl($image_uri) . ' 360w');
       $this->assertRaw('media="(min-width: 851px)"');
     }
     $this->assertRaw('/styles/large/');
@@ -395,7 +395,7 @@ public function testResponsiveImageFieldFormattersEmptyMediaQuery() {
     $thumbnail_style = ImageStyle::load('thumbnail');
     $node = $node_storage->load($nid);
     $image_uri = File::load($node->{$field_name}->target_id)->getFileUri();
-    $this->assertPattern('/srcset="' . preg_quote(file_url_transform_relative($thumbnail_style->buildUrl($image_uri)), '/') . ' 1x".+?media="\(min-width: 0px\)"/');
+    $this->assertPattern('/srcset="' . preg_quote($thumbnail_style->buildUrl($image_uri), '/') . ' 1x".+?media="\(min-width: 0px\)"/');
   }
 
   /**
@@ -441,7 +441,7 @@ public function testResponsiveImageFieldFormattersOneSource() {
     $medium_style = ImageStyle::load('medium');
     $node = $node_storage->load($nid);
     $image_uri = File::load($node->{$field_name}->target_id)->getFileUri();
-    $this->assertRaw('<img srcset="' . file_url_transform_relative($medium_style->buildUrl($image_uri)) . ' 1x, ' . file_url_transform_relative($large_style->buildUrl($image_uri)) . ' 2x"');
+    $this->assertRaw('<img srcset="' . $medium_style->buildUrl($image_uri) . ' 1x, ' . $large_style->buildUrl($image_uri) . ' 2x"');
   }
 
   /**