diff --git a/shell/platform/linux/fl_keyboard_handler.h b/shell/platform/linux/fl_keyboard_handler.h
index 7237755e3c936..57da5e9c729ea 100644
--- a/shell/platform/linux/fl_keyboard_handler.h
+++ b/shell/platform/linux/fl_keyboard_handler.h
@@ -8,6 +8,7 @@
 #include <gdk/gdk.h>
 
 #include "flutter/shell/platform/linux/fl_keyboard_view_delegate.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_binary_messenger.h"
 
 G_BEGIN_DECLS
 
diff --git a/shell/platform/linux/fl_keyboard_manager.cc b/shell/platform/linux/fl_keyboard_manager.cc
index 869d23bb030c4..3c0b8f1b6ec4b 100644
--- a/shell/platform/linux/fl_keyboard_manager.cc
+++ b/shell/platform/linux/fl_keyboard_manager.cc
@@ -410,6 +410,7 @@ static void fl_keyboard_manager_init(FlKeyboardManager* self) {
 }
 
 FlKeyboardManager* fl_keyboard_manager_new(
+    FlBinaryMessenger* messenger,
     FlKeyboardViewDelegate* view_delegate) {
   g_return_val_if_fail(FL_IS_KEYBOARD_VIEW_DELEGATE(view_delegate), nullptr);
 
@@ -436,8 +437,7 @@ FlKeyboardManager* fl_keyboard_manager_new(
           },
           self)));
   g_ptr_array_add(self->responder_list,
-                  FL_KEY_RESPONDER(fl_key_channel_responder_new(
-                      fl_keyboard_view_delegate_get_messenger(view_delegate))));
+                  FL_KEY_RESPONDER(fl_key_channel_responder_new(messenger)));
 
   return self;
 }
diff --git a/shell/platform/linux/fl_keyboard_manager.h b/shell/platform/linux/fl_keyboard_manager.h
index be1be5b64d7a9..383c7f93398c6 100644
--- a/shell/platform/linux/fl_keyboard_manager.h
+++ b/shell/platform/linux/fl_keyboard_manager.h
@@ -8,6 +8,7 @@
 #include <gdk/gdk.h>
 
 #include "flutter/shell/platform/linux/fl_keyboard_view_delegate.h"
+#include "flutter/shell/platform/linux/public/flutter_linux/fl_binary_messenger.h"
 
 G_BEGIN_DECLS
 
@@ -36,6 +37,7 @@ G_DECLARE_FINAL_TYPE(FlKeyboardManager,
 
 /**
  * fl_keyboard_manager_new:
+ * @messenger: an #FlBinaryMessenger.
  * @view_delegate: An interface that the manager requires to communicate with
  * the platform. Usually implemented by FlView.
  *
@@ -44,6 +46,7 @@ G_DECLARE_FINAL_TYPE(FlKeyboardManager,
  * Returns: a new #FlKeyboardManager.
  */
 FlKeyboardManager* fl_keyboard_manager_new(
+    FlBinaryMessenger* messenger,
     FlKeyboardViewDelegate* view_delegate);
 
 /**
diff --git a/shell/platform/linux/fl_keyboard_manager_test.cc b/shell/platform/linux/fl_keyboard_manager_test.cc
index 9011662347163..d655df367a6f3 100644
--- a/shell/platform/linux/fl_keyboard_manager_test.cc
+++ b/shell/platform/linux/fl_keyboard_manager_test.cc
@@ -330,12 +330,6 @@ static gboolean fl_mock_view_keyboard_text_filter_key_press(
   return self->text_filter_result;
 }
 
-static FlBinaryMessenger* fl_mock_view_keyboard_get_messenger(
-    FlKeyboardViewDelegate* view_delegate) {
-  FlMockViewDelegate* self = FL_MOCK_VIEW_DELEGATE(view_delegate);
-  return FL_BINARY_MESSENGER(self->messenger);
-}
-
 static void fl_mock_view_keyboard_redispatch_event(
     FlKeyboardViewDelegate* view_delegate,
     FlKeyEvent* event) {
@@ -362,7 +356,6 @@ static void fl_mock_view_keyboard_delegate_iface_init(
     FlKeyboardViewDelegateInterface* iface) {
   iface->send_key_event = fl_mock_view_keyboard_send_key_event;
   iface->text_filter_key_press = fl_mock_view_keyboard_text_filter_key_press;
-  iface->get_messenger = fl_mock_view_keyboard_get_messenger;
   iface->redispatch_event = fl_mock_view_keyboard_redispatch_event;
   iface->lookup_key = fl_mock_view_keyboard_lookup_key;
 }
@@ -410,7 +403,8 @@ class KeyboardTester {
     respondToTextInputWith(false);
     setLayout(kLayoutUs);
 
-    handler_ = fl_keyboard_manager_new(FL_KEYBOARD_VIEW_DELEGATE(view_));
+    handler_ = fl_keyboard_manager_new(FL_BINARY_MESSENGER(view_->messenger),
+                                       FL_KEYBOARD_VIEW_DELEGATE(view_));
   }
 
   ~KeyboardTester() {
diff --git a/shell/platform/linux/fl_keyboard_view_delegate.cc b/shell/platform/linux/fl_keyboard_view_delegate.cc
index e1301c103adea..771e428c0f682 100644
--- a/shell/platform/linux/fl_keyboard_view_delegate.cc
+++ b/shell/platform/linux/fl_keyboard_view_delegate.cc
@@ -32,13 +32,6 @@ gboolean fl_keyboard_view_delegate_text_filter_key_press(
       self, event);
 }
 
-FlBinaryMessenger* fl_keyboard_view_delegate_get_messenger(
-    FlKeyboardViewDelegate* self) {
-  g_return_val_if_fail(FL_IS_KEYBOARD_VIEW_DELEGATE(self), nullptr);
-
-  return FL_KEYBOARD_VIEW_DELEGATE_GET_IFACE(self)->get_messenger(self);
-}
-
 void fl_keyboard_view_delegate_redispatch_event(FlKeyboardViewDelegate* self,
                                                 FlKeyEvent* event) {
   g_return_if_fail(FL_IS_KEYBOARD_VIEW_DELEGATE(self));
diff --git a/shell/platform/linux/fl_keyboard_view_delegate.h b/shell/platform/linux/fl_keyboard_view_delegate.h
index eb1104f6ac55d..134239071aeba 100644
--- a/shell/platform/linux/fl_keyboard_view_delegate.h
+++ b/shell/platform/linux/fl_keyboard_view_delegate.h
@@ -42,8 +42,6 @@ struct _FlKeyboardViewDelegateInterface {
   gboolean (*text_filter_key_press)(FlKeyboardViewDelegate* delegate,
                                     FlKeyEvent* event);
 
-  FlBinaryMessenger* (*get_messenger)(FlKeyboardViewDelegate* delegate);
-
   void (*redispatch_event)(FlKeyboardViewDelegate* delegate, FlKeyEvent* event);
 
   guint (*lookup_key)(FlKeyboardViewDelegate* view_delegate,
@@ -81,17 +79,6 @@ gboolean fl_keyboard_view_delegate_text_filter_key_press(
     FlKeyboardViewDelegate* delegate,
     FlKeyEvent* event);
 
-/**
- * fl_keyboard_view_delegate_get_messenger:
- *
- * Returns a binary messenger that can be used to send messages to the
- * framework.
- *
- * The ownership of messenger is kept by the view delegate.
- */
-FlBinaryMessenger* fl_keyboard_view_delegate_get_messenger(
-    FlKeyboardViewDelegate* delegate);
-
 /**
  * fl_keyboard_view_delegate_redispatch_event:
  *
diff --git a/shell/platform/linux/fl_view.cc b/shell/platform/linux/fl_view.cc
index 1a342f9d3d74c..3828f8ed40b58 100644
--- a/shell/platform/linux/fl_view.cc
+++ b/shell/platform/linux/fl_view.cc
@@ -156,7 +156,7 @@ static void init_keyboard(FlView* self) {
       fl_keyboard_handler_new(messenger, FL_KEYBOARD_VIEW_DELEGATE(self));
   g_clear_object(&self->keyboard_manager);
   self->keyboard_manager =
-      fl_keyboard_manager_new(FL_KEYBOARD_VIEW_DELEGATE(self));
+      fl_keyboard_manager_new(messenger, FL_KEYBOARD_VIEW_DELEGATE(self));
 }
 
 static void init_scrolling(FlView* self) {
@@ -385,11 +385,6 @@ static void fl_view_keyboard_delegate_iface_init(
                                                  event);
   };
 
-  iface->get_messenger = [](FlKeyboardViewDelegate* view_delegate) {
-    FlView* self = FL_VIEW(view_delegate);
-    return fl_engine_get_binary_messenger(self->engine);
-  };
-
   iface->redispatch_event = [](FlKeyboardViewDelegate* view_delegate,
                                FlKeyEvent* event) {
     GdkEventType event_type =