diff --git a/simplistic_editor/lib/basic_text_input_client.dart b/simplistic_editor/lib/basic_text_input_client.dart
index 4aae8722d..4f415eb6b 100644
--- a/simplistic_editor/lib/basic_text_input_client.dart
+++ b/simplistic_editor/lib/basic_text_input_client.dart
@@ -780,7 +780,8 @@ class BasicTextInputClientState extends State<BasicTextInputClient>
     // We return early if the selection is not valid. This can happen when the
     // text of the editable is updated at the same time as the selection is
     // changed by a gesture event.
-    if (!widget.controller.isSelectionWithinTextBounds(selection)) return;
+    final textLength = _value.text.length;
+    if (selection.start > textLength || selection.end > textLength) return;
 
     widget.controller.selection = selection;
 
diff --git a/tool/flutter_ci_script_beta.sh b/tool/flutter_ci_script_beta.sh
index 7c1f68dc9..d2b242630 100755
--- a/tool/flutter_ci_script_beta.sh
+++ b/tool/flutter_ci_script_beta.sh
@@ -60,8 +60,7 @@ declare -ar PROJECT_NAMES=(
     # "provider_shopper"
     "simple_shader"
     "simplistic_calculator"
-    # TODO(DomesticMouse): The method 'isSelectionWithinTextBounds' isn't defined for the type 'TextEditingController'
-    # "simplistic_editor"
+    "simplistic_editor"
     "testing_app"
     "veggieseasons"
     "web_embedding/element_embedding_demo"
diff --git a/tool/flutter_ci_script_master.sh b/tool/flutter_ci_script_master.sh
index 14e73ca43..072c50d03 100755
--- a/tool/flutter_ci_script_master.sh
+++ b/tool/flutter_ci_script_master.sh
@@ -60,8 +60,7 @@ declare -ar PROJECT_NAMES=(
     # "provider_shopper"
     "simple_shader"
     "simplistic_calculator"
-    # TODO(DomesticMouse): The method 'isSelectionWithinTextBounds' isn't defined for the type 'TextEditingController'
-    # "simplistic_editor"
+    "simplistic_editor"
     "testing_app"
     "veggieseasons"
     "web_embedding/element_embedding_demo"