diff --git a/dev/tools/mega_gallery.dart b/dev/tools/mega_gallery.dart
index e6642a52a83..6e44d2e65b9 100644
--- a/dev/tools/mega_gallery.dart
+++ b/dev/tools/mega_gallery.dart
@@ -83,6 +83,9 @@ void main(List<String> args) {
   pubspec = pubspec.replaceAll('../../packages/flutter', '../../../packages/flutter');
   _file(out, 'pubspec.yaml').writeAsStringSync(pubspec);
 
+  // Remove the (flutter_gallery specific) analysis_options.yaml file.
+  _file(out, 'analysis_options.yaml').deleteSync();
+
   _file(out, '.dartignore').writeAsStringSync('');
 
   // Count source lines and number of files; tell how to run it.
diff --git a/examples/flutter_gallery/analysis_options.yaml b/examples/flutter_gallery/analysis_options.yaml
new file mode 100644
index 00000000000..44fbe83c030
--- /dev/null
+++ b/examples/flutter_gallery/analysis_options.yaml
@@ -0,0 +1,8 @@
+# Take our settings from the repo's main analysis_options.yaml file, but add
+# an exclude for the build directory.
+
+include: ../../analysis_options.yaml
+
+analyzer:
+  exclude:
+    - build/**