diff --git a/docs/examples/.gitignore b/docs/examples/.gitignore
new file mode 100644
index 000000000..1a9c026e8
--- /dev/null
+++ b/docs/examples/.gitignore
@@ -0,0 +1,9 @@
+# Web related
+**/*/lib/generated_plugin_registrant.dart
+
+# Platforms
+**/*/android
+**/*/ios
+**/*/web
+**/*/macos
+**/*/test
diff --git a/docs/examples/animation_widget/.gitignore b/docs/examples/animation_widget/.gitignore
index 37f79a857..c7143c389 100644
--- a/docs/examples/animation_widget/.gitignore
+++ b/docs/examples/animation_widget/.gitignore
@@ -70,6 +70,4 @@ build/
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
-macos
-test
 .flutter-plugins-dependencies
diff --git a/docs/examples/animations/.gitignore b/docs/examples/animations/.gitignore
index 58f685d7f..07488ba61 100644
--- a/docs/examples/animations/.gitignore
+++ b/docs/examples/animations/.gitignore
@@ -68,8 +68,3 @@
 !**/ios/**/default.pbxuser
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
-
-lib/generated_plugin_registrant.dart
-macos/
-test/
-web/
diff --git a/docs/examples/aseprite/.gitignore b/docs/examples/aseprite/.gitignore
index 58f685d7f..07488ba61 100644
--- a/docs/examples/aseprite/.gitignore
+++ b/docs/examples/aseprite/.gitignore
@@ -68,8 +68,3 @@
 !**/ios/**/default.pbxuser
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
-
-lib/generated_plugin_registrant.dart
-macos/
-test/
-web/
diff --git a/docs/examples/effects/.gitignore b/docs/examples/effects/.gitignore
index f860a790c..659c5b138 100644
--- a/docs/examples/effects/.gitignore
+++ b/docs/examples/effects/.gitignore
@@ -30,9 +30,6 @@
 .pub/
 /build/
 
-# Web related
-lib/generated_plugin_registrant.dart
-
 # Symbolication related
 app.*.symbols
 
@@ -41,7 +38,3 @@ app.*.map.json
 
 # Exceptions to above rules.
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
-
-android
-ios
-web
diff --git a/docs/examples/keyboard/.gitignore b/docs/examples/keyboard/.gitignore
index 4bead5d64..a981f586a 100644
--- a/docs/examples/keyboard/.gitignore
+++ b/docs/examples/keyboard/.gitignore
@@ -30,12 +30,5 @@
 .pub/
 /build/
 
-# Web related
-lib/generated_plugin_registrant.dart
-
 # Exceptions to above rules.
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
-
-ios
-android
-web
diff --git a/docs/examples/particles/.gitignore b/docs/examples/particles/.gitignore
index e56e5624d..2e12e7e93 100644
--- a/docs/examples/particles/.gitignore
+++ b/docs/examples/particles/.gitignore
@@ -73,5 +73,3 @@
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
 .flutter-plugins-dependencies
-macos
-test
diff --git a/docs/examples/sprite_batch/.gitignore b/docs/examples/sprite_batch/.gitignore
index 3274b351d..7e56423a9 100644
--- a/docs/examples/sprite_batch/.gitignore
+++ b/docs/examples/sprite_batch/.gitignore
@@ -69,8 +69,4 @@
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
-macos
-
-test
-
 .flutter-plugins-dependencies
diff --git a/docs/examples/sprites/.gitignore b/docs/examples/sprites/.gitignore
index 2b5ed91d6..7e56423a9 100644
--- a/docs/examples/sprites/.gitignore
+++ b/docs/examples/sprites/.gitignore
@@ -69,9 +69,4 @@
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
-macos
-test
 .flutter-plugins-dependencies
-web
-
-lib/generated_plugin_registrant.dart
diff --git a/docs/examples/widgets/.gitignore b/docs/examples/widgets/.gitignore
index c69615e35..7e56423a9 100644
--- a/docs/examples/widgets/.gitignore
+++ b/docs/examples/widgets/.gitignore
@@ -70,5 +70,3 @@
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
 .flutter-plugins-dependencies
-
-web
diff --git a/docs/examples/with_widgets_overlay/.gitignore b/docs/examples/with_widgets_overlay/.gitignore
index c46cf2889..a981f586a 100644
--- a/docs/examples/with_widgets_overlay/.gitignore
+++ b/docs/examples/with_widgets_overlay/.gitignore
@@ -30,12 +30,5 @@
 .pub/
 /build/
 
-# Web related
-lib/generated_plugin_registrant.dart
-
 # Exceptions to above rules.
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
-
-android
-ios
-web