diff --git a/lib/fluent/plugin/out_cloudwatch_logs.rb b/lib/fluent/plugin/out_cloudwatch_logs.rb
index ce62913..fa7cb25 100644
--- a/lib/fluent/plugin/out_cloudwatch_logs.rb
+++ b/lib/fluent/plugin/out_cloudwatch_logs.rb
@@ -7,8 +7,6 @@ module Fluent::Plugin
   class CloudwatchLogsOutput < Output
     Fluent::Plugin.register_output('cloudwatch_logs', self)
 
-    class TooLargeEventError < Fluent::UnrecoverableError; end
-
     helpers :compat_parameters, :inject, :formatter
 
     DEFAULT_BUFFER_TYPE = "memory"
@@ -379,7 +377,8 @@ def put_events_by_chunk(group_name, stream_name, events)
       while event = events.shift
         event_bytesize = event[:message].bytesize + EVENT_HEADER_SIZE
         if MAX_EVENT_SIZE < event_bytesize
-          raise TooLargeEventError, "Log event in #{group_name} is discarded because it is too large: #{event_bytesize} bytes exceeds limit of #{MAX_EVENT_SIZE}"
+          log.warn "Log event in #{group_name} is discarded because it is too large: #{event_bytesize} bytes exceeds limit of #{MAX_EVENT_SIZE}"
+          break
         end
 
         new_chunk = chunk + [event]