diff --git a/lib/puma/binder.rb b/lib/puma/binder.rb
index e4af161c98..ae300f3795 100644
--- a/lib/puma/binder.rb
+++ b/lib/puma/binder.rb
@@ -53,7 +53,7 @@ def initialize(events, conf = Configuration.new)
     attr_reader :ios
 
     # @version 5.0.0
-    attr_reader :activated_sockets, :envs, :inherited_fds, :listeners, :proto_env, , :unix_paths
+    attr_reader :activated_sockets, :envs, :inherited_fds, :listeners, :proto_env, :unix_paths
 
     # @version 5.0.0
     attr_writer :ios, :listeners
diff --git a/lib/puma/dsl.rb b/lib/puma/dsl.rb
index 928d9dfd3b..7334d888db 100644
--- a/lib/puma/dsl.rb
+++ b/lib/puma/dsl.rb
@@ -17,7 +17,7 @@ module Puma
   #   puts config.options[:binds] # => "tcp://127.0.0.1:3001"
   #
   # Used to load file:
-  # 
+  #
   #   $ cat puma_config.rb
   #   port 3002
   #
diff --git a/lib/puma/minissl.rb b/lib/puma/minissl.rb
index 643a268d9f..3f2e89673d 100644
--- a/lib/puma/minissl.rb
+++ b/lib/puma/minissl.rb
@@ -139,7 +139,7 @@ def write(data)
 
       # This is a temporary fix to deal with websockets code using
       # write_nonblock.
-      
+
       # The problem with implementing it properly
       # is that it means we'd have to have the ability to rewind
       # an engine because after we write+extract, the socket