diff --git a/.travis.yml b/.travis.yml
index ae5fcd93..ed2f1072 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,25 +10,12 @@ node_js:
   - "4"
   - "4.2"
 env:
-  - HUBOT_VERSION=">=2.0 <3" COFFEESCRIPT_VERSION=">=1.6.3 <2.0"
-  - HUBOT_VERSION="^3.0" COFFEESCRIPT_VERSION=">=1.6.3 <2.0"
-  - HUBOT_VERSION="^3.0" COFFEESCRIPT_VERSION="^2.0"
-# Excluding tests with Coffeescript 2 on nodejs version <= 5
-# because the syntax incompatible issue. Coffeescript 2 use
-# destructuring assignment syntax at https://git.io/fjcq2 but
-# nodejs <= 5 doesn't support.
-matrix:
-  exclude:
-    - node_js: "4.2"
-      env: HUBOT_VERSION="^3.0" COFFEESCRIPT_VERSION="^2.0"
-    - node_js: "4"
-      env: HUBOT_VERSION="^3.0" COFFEESCRIPT_VERSION="^2.0"
-    - node_js: "5"
-      env: HUBOT_VERSION="^3.0" COFFEESCRIPT_VERSION="^2.0"
+  - HUBOT_VERSION=">=2.0 <3"
+  - HUBOT_VERSION="^3.0"
 after_success:
   - npm run codecov
 # The second step here installs the specific hubot version determined
 # by the `env` specified in the matrix. That lets us test against
 # multiple Hubot versions. This is a bit messy, but works around
 # package.json only being able to specify one version.
-script: npm install && npm install hubot@"$HUBOT_VERSION" coffeescript@"$COFFEESCRIPT_VERSION" && npm test
+script: npm install && npm install hubot@"$HUBOT_VERSION" && npm test
diff --git a/src/bot.coffee b/src/bot.coffee
index 43474796..65b5a89f 100644
--- a/src/bot.coffee
+++ b/src/bot.coffee
@@ -16,9 +16,8 @@ class SlackBot extends Adapter
   # @param {Object} options.rtm - RTM configuration options for SlackClient
   # @param {Object} options.rtmStart - options for `rtm.start` Web API method
   ###
-  constructor: (robot, @options) ->
-    super robot
-    @robot = robot
+  constructor: (@robot, @options) ->
+    super
     @robot.logger.info "hubot-slack adapter v#{pkg.version}"
     @client = new SlackClient @options, @robot
 
@@ -306,9 +305,9 @@ class SlackBot extends Adapter
 
       @robot.logger.debug "Received presence update message for users: #{u.id for u in users} with status: #{event.presence}"
       @receive new PresenceMessage(users, event.presence)
-
+      
     else if event.type is "file_shared"
-
+    
       # Once again Hubot expects all user objects to have a room property that is used in the envelope for the message
       # after it is received. If the reaction is to a message, then the `event.item.channel` contain a conversation ID.
       # Otherwise reactions can be on files and file comments, which are "global" and aren't contained in a
diff --git a/src/message.coffee b/src/message.coffee
index c277f55f..2dc02890 100644
--- a/src/message.coffee
+++ b/src/message.coffee
@@ -17,11 +17,10 @@ class ReactionMessage extends Message
   # custom integration (not part of a Slack app with a bot user), then this value will be undefined.
   # @param {string} event_ts - A String of the reaction event timestamp.
   ###
-  constructor: (@type, user, @reaction, @item_user, @item, @event_ts) ->
-    super user
-    @user = user
+  constructor: (@type, @user, @reaction, @item_user, @item, @event_ts) ->
+    super @user
     @type = @type.replace("reaction_", "")
-
+    
 class FileSharedMessage extends Message
 
   ###*
@@ -32,9 +31,8 @@ class FileSharedMessage extends Message
   # @param {string} file_id - A String identifying the file_id of the file that was shared.
   # @param {string} event_ts - A String of the file_shared event timestamp.
   ###
-  constructor: (user, @file_id, @event_ts) ->
-    super user
-    @user = user
+  constructor: (@user, @file_id, @event_ts) ->
+    super @user
 
 class PresenceMessage extends Message
 
@@ -81,12 +79,7 @@ class SlackTextMessage extends TextMessage
   # @param {string} robot_name - The Slack username for this robot
   # @param {string} robot_alias - The alias for this robot
   ###
-  constructor: (user, text, rawText, rawMessage, channel_id, robot_name, robot_alias) ->
-    super user, text, rawMessage.ts
-
-    @user = user
-    @text = text
-    @rawMessage = rawMessage
+  constructor: (@user, @text, rawText, @rawMessage, channel_id, robot_name, robot_alias) ->
     # private instance properties
     @_channel_id = channel_id
     @_robot_name = robot_name
@@ -97,6 +90,8 @@ class SlackTextMessage extends TextMessage
     @thread_ts = @rawMessage.thread_ts if @rawMessage.thread_ts?
     @mentions = []
 
+    super @user, @text, @rawMessage.ts
+
   ###*
   # Build the text property, a flat string representation of the contents of this message.
   #
@@ -267,4 +262,4 @@ class SlackTextMessage extends TextMessage
 exports.SlackTextMessage = SlackTextMessage
 exports.ReactionMessage = ReactionMessage
 exports.PresenceMessage = PresenceMessage
-exports.FileSharedMessage = FileSharedMessage
+exports.FileSharedMessage = FileSharedMessage
\ No newline at end of file