diff --git a/subsys/bluetooth/host/Kconfig b/subsys/bluetooth/host/Kconfig
index bad45101a8e..2e7c47dedac 100644
--- a/subsys/bluetooth/host/Kconfig
+++ b/subsys/bluetooth/host/Kconfig
@@ -60,6 +60,16 @@ config BT_DISCARDABLE_BUF_COUNT
 	  it will not cause the allocation for other critical events to
 	  block and may even eliminate deadlocks in some cases.
 
+config BT_DISCARDABLE_BUF_SIZE
+	int "Size of discardable event buffers"
+	range 44 257
+	default 257 if BT_BREDR
+	default 44
+	help
+	  Size of buffers in the separate discardable event buffer pool.
+	  The minimum size is set based on the Advertising Report. Setting
+	  the buffer size different than BT_RX_BUF_LEN can save memory.
+
 config BT_HCI_TX_STACK_SIZE
 	# NOTE: This value is derived from other symbols and should only be
 	# changed if required by architecture
diff --git a/subsys/bluetooth/host/hci_core.c b/subsys/bluetooth/host/hci_core.c
index 85586ebcc86..815a08df2ce 100644
--- a/subsys/bluetooth/host/hci_core.c
+++ b/subsys/bluetooth/host/hci_core.c
@@ -168,8 +168,9 @@ NET_BUF_POOL_FIXED_DEFINE(num_complete_pool, 1, BT_BUF_RX_SIZE, NULL);
 #endif /* CONFIG_BT_CONN */
 
 #if defined(CONFIG_BT_DISCARDABLE_BUF_COUNT)
+#define DISCARDABLE_EVENT_SIZE BT_BUF_SIZE(CONFIG_BT_DISCARDABLE_BUF_SIZE)
 NET_BUF_POOL_FIXED_DEFINE(discardable_pool, CONFIG_BT_DISCARDABLE_BUF_COUNT,
-			  BT_BUF_RX_SIZE, NULL);
+			  DISCARDABLE_EVENT_SIZE, NULL);
 #endif /* CONFIG_BT_DISCARDABLE_BUF_COUNT */
 
 struct event_handler {