diff --git a/hygain-ir-controller.ino b/hygain-ir-controller.ino
index 6994486..bacd376 100644
--- a/hygain-ir-controller.ino
+++ b/hygain-ir-controller.ino
@@ -33,6 +33,7 @@ const uint16_t IRCodes[] = {
 };
 
 
+// other possible codes:
 // rotate CCW: 0x43
 // rotate CW:  0x45
 // initial: 0x42
@@ -110,39 +111,12 @@ void notFound(AsyncWebServerRequest *request) {
 
 // Function to get value by key
 const uint16_t getValueByKey(char key) {
-  // Convert key to uppercase for consistency
   key = toupper(key);
-  
-  // Calculate index
   int index = key - 'A';
-  
-  // Return value at index
   return IRCodes[index];
 }
 
 
-int extractValidHeading(String inputString) {
-  int foundNumber = -1; // Default value if no valid number is found
-  
-  // Loop through each character in the string
-  for (int i = 0; i < inputString.length(); i++) {
-    // Check if the current character is a digit
-    if (isdigit(inputString.charAt(i))) {
-      // Parse the number starting from this position
-      foundNumber = inputString.substring(i).toInt();
-      
-      // Check if the parsed number is within the valid range (0-360)
-      if (foundNumber >= 0 && foundNumber <= 360) {
-        return foundNumber; // Return the valid number
-      } else {
-        return -1; // Return -1 if the number is outside the valid range
-      }
-    }
-  }
-  return foundNumber; // Return -1 if no number is found in the string
-}
-
-
 void setup() {
 
   // Start serial