diff --git a/radio/src/strhelpers.cpp b/radio/src/strhelpers.cpp
index 8dc14d4ba..07e6b4e8b 100644
--- a/radio/src/strhelpers.cpp
+++ b/radio/src/strhelpers.cpp
@@ -454,7 +454,6 @@ char * strAppendUnsigned(char * dest, uint32_t value, uint8_t digits, uint8_t ra
   uint8_t idx = digits;
   while (idx > 0) {
     div_t qr = div(value, radix);
-    uint32_t rem = value % radix;
     dest[--idx] = (qr.rem >= 10 ? 'A' - 10 : '0') + qr.rem;
     value = qr.quot;
   }