diff --git a/src/specificClass.js b/src/specificClass.js
index 83991c8..c84f886 100644
--- a/src/specificClass.js
+++ b/src/specificClass.js
@@ -381,7 +381,7 @@ class Measurement {
     const lowPass = this.lowPassFilter(arr); // Apply low-pass filter
     const highPass = this.highPassFilter(arr); // Apply high-pass filter
   
-    return arr.map((val, idx) => lowPass + highPass - val).pop(); // Combine the filters
+    return arr.map((val, _idx) => lowPass + highPass - val).pop(); // Combine the filters
   }
   
   weightedMovingAverage(arr) {
@@ -558,7 +558,7 @@ const configuration = {
     enabled: true,
   },
   functionality: {
-    positionVsParent: "upstream"
+    positionVsParent: POSITIONS.UPSTREAM
   }
 };