diff --git a/lib/bcdice/dice_table.rb b/lib/bcdice/dice_table.rb
index 2f3fdf5a0..94243cba9 100644
--- a/lib/bcdice/dice_table.rb
+++ b/lib/bcdice/dice_table.rb
@@ -9,7 +9,6 @@
 require "bcdice/dice_table/d66_parity_table"
 require "bcdice/dice_table/d66_range_table"
 require "bcdice/dice_table/d66_table"
-require "bcdice/dice_table/parity_table"
 require "bcdice/dice_table/range_table"
 require "bcdice/dice_table/sai_fic_skill_table"
 require "bcdice/dice_table/table"
diff --git a/lib/bcdice/dice_table/parity_table.rb b/lib/bcdice/dice_table/parity_table.rb
deleted file mode 100644
index 6d4ca69ca..000000000
--- a/lib/bcdice/dice_table/parity_table.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-# frozen_string_literal: true
-
-module BCDice
-  module DiceTable
-    # 出目の偶奇による場合分け機能をもつ表
-    class ParityTable
-      # @param [String] name 表の名前
-      # @param [String] type 項目を選ぶときのダイスロールの方法 '1D6'など
-      # @param [String] odd ダイス目が奇数のときの結果
-      # @param [String] even ダイス目が偶数のときの結果
-      def initialize(name, type, odd, even)
-        @name = name
-        @odd = odd.freeze
-        @even = even.freeze
-
-        m = /(\d+)D(\d+)/i.match(type)
-        unless m
-          raise ArgumentError, "Unexpected table type: #{type}"
-        end
-
-        @times = m[1].to_i
-        @sides = m[2].to_i
-      end
-
-      # 表を振る
-      # @param [BCDice] bcdice ランダマイザ
-      # @return [String] 結果
-      def roll(bcdice)
-        value = bcdice.roll_sum(@times, @sides)
-        return RollResult.new(@name, value, value.odd? ? @odd : @even)
-      end
-    end
-  end
-end
diff --git a/test/test_parity_table.rb b/test/test_parity_table.rb
deleted file mode 100644
index cf896afa4..000000000
--- a/test/test_parity_table.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-# frozen_string_literal: true
-
-require "test/unit"
-require "bcdice"
-require "bcdice/dice_table/parity_table"
-
-require_relative "randomizer_mock"
-
-class TestParityTable < Test::Unit::TestCase
-  # ダイス目の偶奇のみを見る
-  def test_parity
-    table = BCDice::DiceTable::ParityTable.new(
-      "テスト",
-      "1D6",
-      "odd",
-      "even"
-    )
-
-    randomizer = RandomizerMock.new([[1, 6]])
-    assert_equal("テスト(1) ＞ odd", table.roll(randomizer).to_s)
-
-    randomizer = RandomizerMock.new([[2, 6]])
-    assert_equal("テスト(2) ＞ even", table.roll(randomizer).to_s)
-
-    randomizer = RandomizerMock.new([[3, 6]])
-    assert_equal("テスト(3) ＞ odd", table.roll(randomizer).to_s)
-
-    randomizer = RandomizerMock.new([[4, 6]])
-    assert_equal("テスト(4) ＞ even", table.roll(randomizer).to_s)
-
-    randomizer = RandomizerMock.new([[5, 6]])
-    assert_equal("テスト(5) ＞ odd", table.roll(randomizer).to_s)
-
-    randomizer = RandomizerMock.new([[6, 6]])
-    assert_equal("テスト(6) ＞ even", table.roll(randomizer).to_s)
-  end
-end