diff --git a/lib/ndjson.rb b/lib/ndjson.rb
index 6048885..b233701 100644
--- a/lib/ndjson.rb
+++ b/lib/ndjson.rb
@@ -12,7 +12,7 @@ def initialize input
       end
     end
 
-    def each &block
+    def each
       @input.each do |line|
         json_line = JSON.parse(line)
         yield json_line