diff --git a/engine/src/flutter/lib/ui/ui_dart_state.cc b/engine/src/flutter/lib/ui/ui_dart_state.cc
index f4022b04af..9ff5c009ad 100644
--- a/engine/src/flutter/lib/ui/ui_dart_state.cc
+++ b/engine/src/flutter/lib/ui/ui_dart_state.cc
@@ -4,7 +4,6 @@
 
 #include "flutter/lib/ui/ui_dart_state.h"
 
-#include <iostream>
 #include <utility>
 
 #include "flutter/fml/message_loop.h"
@@ -13,15 +12,6 @@
 #include "third_party/tonic/converter/dart_converter.h"
 #include "third_party/tonic/dart_message_handler.h"
 
-#if defined(FML_OS_ANDROID)
-#include <android/log.h>
-#elif defined(FML_OS_IOS)
-extern "C" {
-// Cannot import the syslog.h header directly because of macro collision.
-extern void syslog(int, const char*, ...);
-}
-#endif
-
 using tonic::ToDart;
 
 namespace flutter {
@@ -219,26 +209,6 @@ void UIDartState::LogMessage(const std::string& tag,
                              const std::string& message) const {
   if (log_message_callback_) {
     log_message_callback_(tag, message);
-  } else {
-    // Fall back to previous behavior if unspecified.
-#if defined(FML_OS_ANDROID)
-    __android_log_print(ANDROID_LOG_INFO, tag.c_str(), "%.*s",
-                        static_cast<int>(message.size()), message.c_str());
-#elif defined(FML_OS_IOS)
-    std::stringstream stream;
-    if (!tag.empty()) {
-      stream << tag << ": ";
-    }
-    stream << message;
-    std::string log = stream.str();
-    syslog(1 /* LOG_ALERT */, "%.*s", static_cast<int>(log.size()),
-           log.c_str());
-#else
-    if (!tag.empty()) {
-      std::cout << tag << ": ";
-    }
-    std::cout << message << std::endl;
-#endif
   }
 }
 
diff --git a/engine/src/flutter/shell/platform/embedder/embedder.cc b/engine/src/flutter/shell/platform/embedder/embedder.cc
index 8d36f33a38..2c55865c79 100644
--- a/engine/src/flutter/shell/platform/embedder/embedder.cc
+++ b/engine/src/flutter/shell/platform/embedder/embedder.cc
@@ -2093,6 +2093,8 @@ FlutterEngineResult FlutterEngineInitialize(size_t version,
     settings.root_isolate_create_callback =
         [callback, user_data](const auto& isolate) { callback(user_data); };
   }
+
+  // Wire up callback for engine and print logging.
   if (SAFE_ACCESS(args, log_message_callback, nullptr) != nullptr) {
     FlutterLogMessageCallback callback =
         SAFE_ACCESS(args, log_message_callback, nullptr);
@@ -2101,7 +2103,17 @@ FlutterEngineResult FlutterEngineInitialize(size_t version,
                                         const std::string& message) {
       callback(tag.c_str(), message.c_str(), user_data);
     };
+  } else {
+    settings.log_message_callback = [](const std::string& tag,
+                                       const std::string& message) {
+      // Fall back to logging to stdout if unspecified.
+      if (tag.empty()) {
+        std::cout << tag << ": ";
+      }
+      std::cout << message << std::endl;
+    };
   }
+
   if (SAFE_ACCESS(args, log_tag, nullptr) != nullptr) {
     settings.log_tag = SAFE_ACCESS(args, log_tag, nullptr);
   }