diff --git a/src/util.h b/src/util.h
index c7bd54e..586d0ec 100644
--- a/src/util.h
+++ b/src/util.h
@@ -312,13 +312,5 @@ void sendTextToSign(
     Serial1.print(toSend);
 
     Serial.println("Text sent to device: " + toSend);
-    Serial.print("Hex dump: ");
-    for (size_t i = 0; i < toSend.length(); ++i) {
-        auto hexChar = String(toSend[i], HEX);
-        if (hexChar.length() == 1) {
-            hexChar = '0' + hexChar;
-        }
-        Serial.print(hexChar + ' ');
-    }
-    Serial.println();
+    Serial.println("Hex dump: " + hexDump(toSend));
 }