diff --git a/Include/MyIncludes/KeltnerChannel_Calculator.mqh b/Include/MyIncludes/KeltnerChannel_Calculator.mqh
index 4f904fc..a17766d 100644
--- a/Include/MyIncludes/KeltnerChannel_Calculator.mqh
+++ b/Include/MyIncludes/KeltnerChannel_Calculator.mqh
@@ -8,13 +8,6 @@
 #include <MyIncludes\MovingAverage_Engine.mqh>
 #include <MyIncludes\ATR_Calculator.mqh>
 
-//--- Define the Enum here, BEFORE the class uses it ---
-enum ENUM_ATR_SOURCE
-  {
-   ATR_SOURCE_STANDARD,    // Calculate ATR from standard candles
-   ATR_SOURCE_HEIKIN_ASHI  // Calculate ATR from Heikin Ashi candles
-  };
-
 //+==================================================================+
 //|           CLASS 1: CKeltnerChannelCalculator (Base Class)        |
 //+==================================================================+