diff --git a/lib/ui/semantics/semantics_node.h b/lib/ui/semantics/semantics_node.h
index 70c0fcf7c554b..cede05943ac14 100644
--- a/lib/ui/semantics/semantics_node.h
+++ b/lib/ui/semantics/semantics_node.h
@@ -81,8 +81,7 @@ enum class SemanticsFlags : int32_t {
   kHasToggledState = 1 << 16,
   kIsToggled = 1 << 17,
   kHasImplicitScrolling = 1 << 18,
-  // The Dart API defines the following flag but it isn't used in iOS.
-  // kIsMultiline = 1 << 19,
+  kIsMultiline = 1 << 19,
   kIsReadOnly = 1 << 20,
   kIsFocusable = 1 << 21,
   kIsLink = 1 << 22,
diff --git a/shell/platform/android/io/flutter/view/AccessibilityBridge.java b/shell/platform/android/io/flutter/view/AccessibilityBridge.java
index b79191bd09970..5ec1d97b1c329 100644
--- a/shell/platform/android/io/flutter/view/AccessibilityBridge.java
+++ b/shell/platform/android/io/flutter/view/AccessibilityBridge.java
@@ -2045,8 +2045,7 @@ public enum Action {
     HAS_TOGGLED_STATE(1 << 16),
     IS_TOGGLED(1 << 17),
     HAS_IMPLICIT_SCROLLING(1 << 18),
-    // The Dart API defines the following flag but it isn't used in Android.
-    // IS_MULTILINE(1 << 19);
+    IS_MULTILINE(1 << 19),
     IS_READ_ONLY(1 << 20),
     IS_FOCUSABLE(1 << 21),
     IS_LINK(1 << 22),