diff --git a/shell/platform/darwin/ios/framework/Source/SemanticsObject.h b/shell/platform/darwin/ios/framework/Source/SemanticsObject.h
index 575b978ab2a32bebb3f0cbaa5d45e2bd8f4f656a..ba7c4689be4639cb08f839ded9ab09197f3d3aba 100644
--- a/shell/platform/darwin/ios/framework/Source/SemanticsObject.h
+++ b/shell/platform/darwin/ios/framework/Source/SemanticsObject.h
@@ -14,6 +14,7 @@
 
 constexpr int32_t kRootNodeId = 0;
 
+@class FlutterCustomAccessibilityAction;
 @class FlutterPlatformViewSemanticsContainer;
 
 /**
@@ -92,6 +93,7 @@ constexpr int32_t kRootNodeId = 0;
 - (BOOL)nodeWillCauseScroll:(const flutter::SemanticsNode*)node;
 - (void)collectRoutes:(NSMutableArray<SemanticsObject*>*)edges;
 - (NSString*)routeName;
+- (BOOL)onCustomAccessibilityAction:(FlutterCustomAccessibilityAction*)action;
 
 @end
 
diff --git a/shell/platform/darwin/ios/framework/Source/accessibility_bridge.mm b/shell/platform/darwin/ios/framework/Source/accessibility_bridge.mm
index 2957489fb42fae5e9ec9d511e67aa616868cea6c..c9c147bdacc5546620c3a7f274b92e12e5c9e74d 100644
--- a/shell/platform/darwin/ios/framework/Source/accessibility_bridge.mm
+++ b/shell/platform/darwin/ios/framework/Source/accessibility_bridge.mm
@@ -7,6 +7,8 @@
 
 #include "flutter/shell/platform/darwin/ios/platform_view_ios.h"
 
+#pragma GCC diagnostic error "-Wundeclared-selector"
+
 FLUTTER_ASSERT_NOT_ARC
 
 namespace flutter {