diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_bis-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_bis-bt_ll_sw_split.conf
index f0a22f760f9..6b407a208f7 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_bis-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_bis-bt_ll_sw_split.conf
@@ -24,12 +24,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host features
 CONFIG_BT_EXT_ADV=y
 CONFIG_BT_PER_ADV=y
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_cis-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_cis-bt_ll_sw_split.conf
index 7fab285f3be..6dd49214caa 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_cis-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_cis-bt_ll_sw_split.conf
@@ -24,12 +24,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host features
 CONFIG_BT_EXT_ADV=y
 CONFIG_BT_PER_ADV=n
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_df-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_df-bt_ll_sw_split.conf
index 21d4a042ad7..ab87866b19a 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_df-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_df-bt_ll_sw_split.conf
@@ -24,12 +24,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host features
 CONFIG_BT_EXT_ADV=y
 CONFIG_BT_PER_ADV=y
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso-bt_ll_sw_split.conf
index f80f324be53..0bb34dfa790 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso-bt_ll_sw_split.conf
@@ -25,12 +25,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host features
 CONFIG_BT_EXT_ADV=y
 CONFIG_BT_PER_ADV=y
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_broadcast-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_broadcast-bt_ll_sw_split.conf
index 74dc735c076..12f3b8a1147 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_broadcast-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_broadcast-bt_ll_sw_split.conf
@@ -16,12 +16,6 @@ CONFIG_BT_HCI_RAW_RESERVE=1
 # Host number of completed commands does not follow normal flow control.
 CONFIG_BT_BUF_CMD_TX_COUNT=10
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host
 CONFIG_BT_BROADCASTER=y
 CONFIG_BT_PERIPHERAL=n
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_central-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_central-bt_ll_sw_split.conf
index f29917aaf93..e7ec0c140d6 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_central-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_central-bt_ll_sw_split.conf
@@ -21,12 +21,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host
 CONFIG_BT_BROADCASTER=n
 CONFIG_BT_PERIPHERAL=n
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_peripheral-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_peripheral-bt_ll_sw_split.conf
index ddd7d7e7b31..fa3d303604e 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_peripheral-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_peripheral-bt_ll_sw_split.conf
@@ -21,12 +21,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host
 CONFIG_BT_BROADCASTER=y
 CONFIG_BT_PERIPHERAL=y
diff --git a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_receive-bt_ll_sw_split.conf b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_receive-bt_ll_sw_split.conf
index d88aa87f8aa..d139e83996a 100644
--- a/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_receive-bt_ll_sw_split.conf
+++ b/samples/bluetooth/hci_ipc/nrf5340_cpunet_iso_receive-bt_ll_sw_split.conf
@@ -16,12 +16,6 @@ CONFIG_BT_HCI_RAW_RESERVE=1
 # Host number of completed commands does not follow normal flow control.
 CONFIG_BT_BUF_CMD_TX_COUNT=10
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host
 CONFIG_BT_BROADCASTER=n
 CONFIG_BT_PERIPHERAL=n
diff --git a/samples/bluetooth/peripheral_hr/prj_minimal.conf b/samples/bluetooth/peripheral_hr/prj_minimal.conf
index 888c75d8a5d..a9feeb48cb0 100644
--- a/samples/bluetooth/peripheral_hr/prj_minimal.conf
+++ b/samples/bluetooth/peripheral_hr/prj_minimal.conf
@@ -69,7 +69,6 @@ CONFIG_ARM_MPU=n
 # idle 00             : STACK: unused 208 usage 48 / 256 (18 %); CPU: 97 %
 # main                : STACK: unused 576 usage 448 / 1024 (43 %); CPU: 0 %
 CONFIG_BT_RX_STACK_SIZE=1024
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
 CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
 CONFIG_BT_HCI_TX_STACK_SIZE=640
 CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=512
diff --git a/subsys/bluetooth/controller/Kconfig.ll_sw_split b/subsys/bluetooth/controller/Kconfig.ll_sw_split
index ba43622604a..bce9b76186f 100644
--- a/subsys/bluetooth/controller/Kconfig.ll_sw_split
+++ b/subsys/bluetooth/controller/Kconfig.ll_sw_split
@@ -99,10 +99,15 @@ config BT_CTLR_ULL_LLL_PRIO_SUPPORT
 	bool
 
 config BT_CTLR_RX_PRIO_STACK_SIZE
-	# Controller's Co-Operative high priority Rx thread stack size.
-	int "High priority Rx thread stack size"
+	# Hidden, Controller's Co-Operative high priority Rx thread stack size.
+	int
 	default 448
 
+config BT_CTLR_RX_STACK_SIZE
+	# Hidden, Controller's Co-Operative Rx thread stack size.
+	int
+	default 768
+
 config BT_CTLR_SETTINGS
 	bool "Settings System"
 	depends on SETTINGS
diff --git a/subsys/bluetooth/controller/hci/hci_driver.c b/subsys/bluetooth/controller/hci/hci_driver.c
index 9b0e3dd5050..20b73b5b1d6 100644
--- a/subsys/bluetooth/controller/hci/hci_driver.c
+++ b/subsys/bluetooth/controller/hci/hci_driver.c
@@ -73,7 +73,7 @@ struct k_thread prio_recv_thread_data;
 static K_KERNEL_STACK_DEFINE(prio_recv_thread_stack,
 			     CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE);
 struct k_thread recv_thread_data;
-static K_KERNEL_STACK_DEFINE(recv_thread_stack, CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE);
+static K_KERNEL_STACK_DEFINE(recv_thread_stack, CONFIG_BT_CTLR_RX_STACK_SIZE);
 
 #if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
 static struct k_poll_signal hbuf_signal;
diff --git a/subsys/bluetooth/host/Kconfig b/subsys/bluetooth/host/Kconfig
index 0be375007ca..1753c7a2d6a 100644
--- a/subsys/bluetooth/host/Kconfig
+++ b/subsys/bluetooth/host/Kconfig
@@ -48,7 +48,7 @@ config BT_HCI_TX_STACK_SIZE
 	default 512 if BT_H4
 	default 512 if BT_H5
 	default 416 if BT_SPI
-	default 940 if BT_CTLR && BT_LL_SW_SPLIT && (NO_OPTIMIZATIONS || BT_ISO_BROADCAST)
+	default 1152 if BT_CTLR && BT_LL_SW_SPLIT && (NO_OPTIMIZATIONS || BT_ISO_BROADCAST)
 	default 1024 if BT_CTLR && BT_LL_SW_SPLIT && BT_CENTRAL
 	default 768 if BT_CTLR && BT_LL_SW_SPLIT
 	default 512 if BT_USERCHAN
diff --git a/tests/bsim/bluetooth/ll/cis/sysbuild/hci_ipc/nrf5340_cpunet_iso_acl_group-bt_ll_sw_split.conf b/tests/bsim/bluetooth/ll/cis/sysbuild/hci_ipc/nrf5340_cpunet_iso_acl_group-bt_ll_sw_split.conf
index a3c8f43c71f..4a53b153a5c 100644
--- a/tests/bsim/bluetooth/ll/cis/sysbuild/hci_ipc/nrf5340_cpunet_iso_acl_group-bt_ll_sw_split.conf
+++ b/tests/bsim/bluetooth/ll/cis/sysbuild/hci_ipc/nrf5340_cpunet_iso_acl_group-bt_ll_sw_split.conf
@@ -25,12 +25,6 @@ CONFIG_BT_BUF_ACL_RX_SIZE=255
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_BUF_CMD_TX_SIZE=255
 
-# Tx/Rx Thread Stack Sizes
-CONFIG_BT_HCI_TX_STACK_SIZE_WITH_PROMPT=y
-CONFIG_BT_HCI_TX_STACK_SIZE=1152
-CONFIG_BT_RX_STACK_SIZE=640
-CONFIG_BT_CTLR_RX_PRIO_STACK_SIZE=448
-
 # Host features
 CONFIG_BT_EXT_ADV=y
 CONFIG_BT_PER_ADV=y