diff --git a/drivers/include/periph/dac.h b/drivers/include/periph/dac.h
index 27f5fc0bce..f49e32b5fa 100644
--- a/drivers/include/periph/dac.h
+++ b/drivers/include/periph/dac.h
@@ -48,15 +48,6 @@
 extern "C" {
 #endif
 
-/**
- * @brief   Make sure the number of available DAC lines is defined
- * @{
- */
-#ifndef DAC_NUMOF
-#define "DAC_NUMOF undefined"
-#endif
-/** @} */
-
 /**
  * @brief   Define default DAC type identifier
  * @{