diff --git a/impl/src/layer2/packet_queue.c b/impl/src/layer2/packet_queue.c
index ce01374..354d88f 100644
--- a/impl/src/layer2/packet_queue.c
+++ b/impl/src/layer2/packet_queue.c
@@ -15,16 +15,9 @@ void packet_queue_destroy(packet_queue_t *q)
 	packet_queue_delete(q, packet_queue_get_used_space(q));
 }
 
-
-bool packet_queue_can_add_packet(const packet_queue_t *q)
-{
-	return packet_queue_get_free_space(q) != 0;
-}
-
-
 bool packet_queue_add(packet_queue_t *q, const layer2_packet_header_t *header, uint8_t *data, size_t data_len)
 {
-	if (!packet_queue_can_add_packet(q)) {
+	if (packet_queue_get_free_space(q) == 0) {
 		return false;
 	}
 
diff --git a/impl/src/layer2/packet_queue.h b/impl/src/layer2/packet_queue.h
index cd1bfd0..73bce5f 100644
--- a/impl/src/layer2/packet_queue.h
+++ b/impl/src/layer2/packet_queue.h
@@ -29,12 +29,6 @@ void packet_queue_init(packet_queue_t *q);
  */
 void packet_queue_destroy(packet_queue_t *q);
 
-/*!\brief Check if a packet can be added to the queue.
- * \param q            Pointer to the queue to check.
- * \returns            True if a packet can be added, false if the queue is full.
- */
-bool packet_queue_can_add_packet(const packet_queue_t *q);
-
 /*!\brief Add a packet to the queue.
  * \details
  * This function takes ownership of the given data block which must be