diff --git a/lib/kiss/kiss_serial.rb b/lib/kiss/kiss_serial.rb
index 476d07ebbe2fc0e26d2e41c15edce6c03380bf70..729cf0df888eb8aee2eef74ca283f86dfce87a67 100644
--- a/lib/kiss/kiss_serial.rb
+++ b/lib/kiss/kiss_serial.rb
@@ -30,9 +30,6 @@ module Kiss
         protected
         def read_interface
             read_data = @serial.read(@read_bytes)
-            if read_data != nil
-                p read_data
-            end
             if read_data
                 return read_data.chars.map { |c| c.ord }
             else