diff --git a/engine/src/flutter/impeller/compiler/code_gen_template.h b/engine/src/flutter/impeller/compiler/code_gen_template.h
index 8783c5573e5..7eef0949878 100644
--- a/engine/src/flutter/impeller/compiler/code_gen_template.h
+++ b/engine/src/flutter/impeller/compiler/code_gen_template.h
@@ -13,8 +13,9 @@ constexpr std::string_view kReflectionHeaderTemplate =
 
 #pragma once
 
-// Note: The nogncheck decorations are only to make GN not mad at the template.
-// There are no GN rule violations in the generated file itself.
+// Note: The nogncheck decorations are only to make GN not mad at the template
+// this file is generated from. There are no GN rule violations in the generated
+// file itself.
 #include "impeller/renderer/buffer_view.h"   // nogncheck
 #include "impeller/renderer/command.h"       // nogncheck
 #include "impeller/renderer/sampler.h"       // nogncheck
diff --git a/engine/src/flutter/impeller/fixtures/BUILD.gn b/engine/src/flutter/impeller/fixtures/BUILD.gn
index 9f6dba1e4d8..3bbffb60917 100644
--- a/engine/src/flutter/impeller/fixtures/BUILD.gn
+++ b/engine/src/flutter/impeller/fixtures/BUILD.gn
@@ -12,8 +12,6 @@ impeller_shaders("shader_fixtures") {
   shaders = [
     "box_fade.vert",
     "box_fade.frag",
-    "sandbox.vert",
-    "sandbox.frag",
   ]
 }