diff --git a/OneWire.cpp b/OneWire.cpp
index cb0d670..48eaff1 100644
--- a/OneWire.cpp
+++ b/OneWire.cpp
@@ -596,8 +596,8 @@ uint16_t OneWire::crc16(const uint8_t* input, uint16_t len, uint16_t crc)
 
 // undef defines for no particular reason
 #ifdef ARDUINO_ARCH_ESP32
-#  undef noInterrupts() {portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;portENTER_CRITICAL(&mux)
-#  undef interrupts() portEXIT_CRITICAL(&mux);}
+#undef noInterrupts // () {portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;portENTER_CRITICAL(&mux)
+#undef interrupts // () portEXIT_CRITICAL(&mux);}
 #endif
 // for info on this, search "IRAM_ATTR" at https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/general-notes.html 
 #undef CRIT_TIMING