diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index a08030f..1afa96b 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -104,13 +104,6 @@ Style/NumericPredicate:
     - 'lib/zip/ioextras.rb'
     - 'lib/zip/ioextras/abstract_input_stream.rb'
 
-# Offense count: 1
-# Configuration parameters: AllowedMethods.
-# AllowedMethods: respond_to_missing?
-Style/OptionalBooleanParameter:
-  Exclude:
-    - 'lib/zip/file_split.rb'
-
 # Offense count: 17
 # Cop supports --auto-correct.
 # Configuration parameters: ConvertCodeThatCanStartToReturnNil, AllowedMethods.
diff --git a/lib/zip/file_split.rb b/lib/zip/file_split.rb
index 1b6a456..606d2e6 100644
--- a/lib/zip/file_split.rb
+++ b/lib/zip/file_split.rb
@@ -67,8 +67,8 @@ module Zip
 
     # Splits an archive into parts with segment size
     def split(
-      zip_file_name, segment_size = MAX_SEGMENT_SIZE,
-      delete_zip_file = true, partial_zip_file_name = nil
+      zip_file_name, segment_size: MAX_SEGMENT_SIZE,
+      delete_original: true, partial_zip_file_name: nil
     )
       raise Error, "File #{zip_file_name} not found" unless ::File.exist?(zip_file_name)
       raise Errno::ENOENT, zip_file_name unless ::File.readable?(zip_file_name)
@@ -90,7 +90,7 @@ module Zip
           )
         end
       end
-      ::File.delete(zip_file_name) if delete_zip_file
+      ::File.delete(zip_file_name) if delete_original
       szip_file_index
     end
   end
diff --git a/test/file_split_test.rb b/test/file_split_test.rb
index 517723d..0e54cc9 100644
--- a/test/file_split_test.rb
+++ b/test/file_split_test.rb
@@ -27,7 +27,9 @@ class ZipFileSplitTest < MiniTest::Test
   end
 
   def test_split
-    result = ::Zip::File.split(TEST_ZIP.zip_name, 65_536, false)
+    result = ::Zip::File.split(
+      TEST_ZIP.zip_name, segment_size: 65_536, delete_original: false
+    )
 
     return if result.nil?