diff --git a/js/plugins.js b/js/plugins.js
index 975348f..c2d3623 100644
--- a/js/plugins.js
+++ b/js/plugins.js
@@ -976,7 +976,6 @@ var $plugins = [{
     "Skip Effects": "{\"Scroll Map\":\"true\",\"Set Movement Route\":\"true\",\"Move Picture\":\"true\",\"Tint Picture\":\"true\",\"Tint Screen\":\"false\",\"Flash Screen\":\"false\",\"Shake Screen\":\"false\",\"Set Weather Effect\":\"false\"}",
     "Skip Effects Timing": "skip",
     "Ruby Font Size": "12",
-    "Message Font Size": "20",
     "Ruby Oy": "0",
     "Ruby Outline Width": "2",
     "Always Leave Ruby Height": "true",
diff --git a/js/plugins/MPP_MessageEX.js b/js/plugins/MPP_MessageEX.js
index 3a4b8ef..2a4f979 100644
--- a/js/plugins/MPP_MessageEX.js
+++ b/js/plugins/MPP_MessageEX.js
@@ -206,13 +206,6 @@
  *          @max 99
  *      @default 14
  *
- *  @param Message Font Size
- *      @desc Default message text font size. Set 0 to use the engine default.
- *      @type number
- *          @min 0
- *          @max 99
- *      @default 0
- *
  *  @param Ruby Oy
  *      @desc 
  *      @type number
@@ -609,14 +602,6 @@
  *          @max 99
  *      @default 14
  *
- *  @param Message Font Size
- *      @text メッセージ文字サイズ
- *      @desc メッセージ本文の標準文字サイズです。0でツクール標準値を使用します。
- *      @type number
- *          @min 0
- *          @max 99
- *      @default 0
- *
  *  @param Ruby Oy
  *      @text ルビY軸補正値
  *      @desc 
@@ -860,7 +845,6 @@
     const param_SkipEffects = JSON.parse(parameters['Skip Effects'] || '{}', paramReplace);
     const param_SkipEffectsTiming = parameters['Skip Effects Timing'] || 'skip';
     const param_RubyFontSize = Number(parameters['Ruby Font Size'] || 14);
-    const param_MessageFontSize = Number(parameters['Message Font Size'] || 0);
     const param_RubyOy = Number(parameters['Ruby Oy'] || 0);
     const param_RubyOutlineWidth = Number(parameters['Ruby Outline Width'] || 2);
     const param_AlwaysLeaveRubyHeight = parameters['Always Leave Ruby Height'] === 'true';
@@ -1644,9 +1628,6 @@
     const _Window_Message_resetFontSettings = __base(Window_Message.prototype, 'resetFontSettings');
     Window_Message.prototype.resetFontSettings = function() {
         _Window_Message_resetFontSettings.apply(this, arguments);
-        if (param_MessageFontSize > 0) {
-            this.contents.fontSize = param_MessageFontSize;
-        }
         const rubyRgb = getDefaultParam('Ruby Color');
         const rubyColor = rubyRgb ? `rgb(${rubyRgb})` : getTextColor.call(this, 0);
         const outlineColor = `rgba(${getDefaultParam('Outline Color', '0, 0, 0, 0.5')})`;