diff --git a/lib/rackstash/buffer.rb b/lib/rackstash/buffer.rb
index 080b4c3..888a1f0 100644
--- a/lib/rackstash/buffer.rb
+++ b/lib/rackstash/buffer.rb
@@ -51,7 +51,7 @@ module Rackstash
       FIELD_MESSAGE,    # filled with #{add_message}
       FIELD_TAGS,       # set with {#tag}
       FIELD_TIMESTAMP,  # an ISO8601 timestamp of the log event
-      FIELD_VERSION,    # the version of the schema. Currently "1"
+      FIELD_VERSION,    # the version of the Logstash JSON schema. Usually "1"
     ].freeze
 
     # @!attribute [r] fields
@@ -269,8 +269,6 @@ module Rackstash
     #   now contains an array of {Message} objects.
     # * We add the buffer's timestamp to the `event['@timestamp]` field as an
     #   ISO 8601 formatted string. The timestamp is always in UTC.
-    # * We add the version of the logstash event format as
-    #   `event[@version] = 1`.
     #
     # The typical event emitted here looks like this:
     #
@@ -282,8 +280,7 @@ module Rackstash
     #         #<Rackstash::Message:0x007f908b4414c0 ...>,
     #         #<Rackstash::Message:0x007f908d14aee0 ...>
     #       ],
-    #       "@timestamp" => "2016-10-17T13:37:42.000Z",
-    #       "@version" => "1"
+    #       "@timestamp" => "2016-10-17T13:37:42.000Z"
     #     }
     #
     #
@@ -312,7 +309,6 @@ module Rackstash
 
       event[FIELD_MESSAGE] = messages
       event[FIELD_TIMESTAMP] = timestamp
-      event[FIELD_VERSION] = '1'.freeze
 
       event
     end
diff --git a/spec/rackstash/buffer_spec.rb b/spec/rackstash/buffer_spec.rb
index abb24ce..3994c0a 100644
--- a/spec/rackstash/buffer_spec.rb
+++ b/spec/rackstash/buffer_spec.rb
@@ -429,8 +429,7 @@ describe Rackstash::Buffer do
         'foo' => 'bar',
         'message' => [message],
         'tags' => ['some_tag'],
-        '@timestamp' => instance_of(String),
-        '@version' => '1'
+        '@timestamp' => instance_of(String)
       )
     end
   end
diff --git a/spec/rackstash/sink_spec.rb b/spec/rackstash/sink_spec.rb
index 7395105..a04c801 100644
--- a/spec/rackstash/sink_spec.rb
+++ b/spec/rackstash/sink_spec.rb
@@ -146,8 +146,7 @@ describe Rackstash::Sink do
       event_spec = {
         'message' => [],
         'tags' => [],
-        '@timestamp' => instance_of(String),
-        '@version' => '1'
+        '@timestamp' => instance_of(String)
       }
 
       # only the first event is duplicated