diff --git a/sys/include/net/gnrc/gomach/gomach.h b/sys/include/net/gnrc/gomach/gomach.h
index 7be5db21aa..062e3b7254 100644
--- a/sys/include/net/gnrc/gomach/gomach.h
+++ b/sys/include/net/gnrc/gomach/gomach.h
@@ -349,31 +349,8 @@ extern "C" {
 #ifndef CONFIG_GNRC_GOMACH_MAX_T2U_RETYR_THRESHOLD
 #define CONFIG_GNRC_GOMACH_MAX_T2U_RETYR_THRESHOLD          (10U)
 #endif
-
-/**
- * @brief Default message queue size to use for the GoMacH thread (as exponent
- *        of 2^n).
- *
- * As the queue size ALWAYS needs to be power of two, this option represents the
- * exponent of 2^n, which will be used as the size of the queue.
- *
- * The value of this macro should be enough for supporting the manipulation of
- * GoMacH.
- */
-#ifndef CONFIG_GNRC_GOMACH_IPC_MSG_QUEUE_SIZE_EXP
-#define CONFIG_GNRC_GOMACH_IPC_MSG_QUEUE_SIZE_EXP        (3U)
-#endif
 /** @} */
 
-/**
- * @brief Message queue size to use for the GoMacH thread.
- */
-#ifndef GNRC_GOMACH_IPC_MSG_QUEUE_SIZE
-#define GNRC_GOMACH_IPC_MSG_QUEUE_SIZE  (1 << CONFIG_GNRC_GOMACH_IPC_MSG_QUEUE_SIZE_EXP)
-#endif
-/** @} */
-
-
 /**
  * @brief   Creates an IEEE 802.15.4 GoMacH network interface
  *
diff --git a/sys/include/net/gnrc/lwmac/lwmac.h b/sys/include/net/gnrc/lwmac/lwmac.h
index c4732b1af0..2b4f7ad7cf 100644
--- a/sys/include/net/gnrc/lwmac/lwmac.h
+++ b/sys/include/net/gnrc/lwmac/lwmac.h
@@ -290,30 +290,8 @@ extern "C" {
 #ifndef GNRC_LWMAC_BROADCAST_CSMA_RETRIES
 #define GNRC_LWMAC_BROADCAST_CSMA_RETRIES    (3U)
 #endif
-
-/**
- * @brief Default message queue size to use for the LWMAC thread (as exponent of
- *        2^n).
- *
- * As the queue size ALWAYS needs to be power of two, this option represents the
- * exponent of 2^n, which will be used as the size of the queue.
- *
- * The value of this macro should be enough for supporting the manipulation of
- * LWMAC.
- *
- */
-#ifndef CONFIG_GNRC_LWMAC_IPC_MSG_QUEUE_SIZE_EXP
-#define CONFIG_GNRC_LWMAC_IPC_MSG_QUEUE_SIZE_EXP        (3U)
-#endif
 /** @} */
 
-/**
- * @brief Message queue size to use for the LWMAC thread.
- */
-#ifndef GNRC_LWMAC_IPC_MSG_QUEUE_SIZE
-#define GNRC_LWMAC_IPC_MSG_QUEUE_SIZE       (1 << CONFIG_GNRC_LWMAC_IPC_MSG_QUEUE_SIZE_EXP)
-#endif
-
 /**
  * @brief   Creates an IEEE 802.15.4 LWMAC network interface
  *