diff --git a/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj.conf b/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj.conf
index e7bbdeb19cbc..5c296e7c39e0 100644
--- a/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj.conf
+++ b/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj.conf
@@ -103,10 +103,6 @@ CONFIG_BT_MAX_PAIRED=2
 CONFIG_BT_ID_MAX=3
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_ATT_TX_COUNT=4
 CONFIG_BT_CONN_TX_MAX=4
 # Reduce memory footprint
diff --git a/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj_release.conf b/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj_release.conf
index 27bd6996b4c1..9ff945ac00a3 100644
--- a/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj_release.conf
+++ b/applications/nrf_desktop/configuration/nrf52810dmouse_nrf52810/prj_release.conf
@@ -98,10 +98,6 @@ CONFIG_BT_MAX_PAIRED=2
 CONFIG_BT_ID_MAX=3
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_ATT_TX_COUNT=4
 CONFIG_BT_CONN_TX_MAX=4
 # Reduce memory footprint
diff --git a/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj.conf b/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj.conf
index 4006cbfecb0e..e2dd6e2775dd 100644
--- a/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj.conf
+++ b/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj.conf
@@ -75,10 +75,6 @@ CONFIG_USB_NRFX_EVT_QUEUE_SIZE=16
 CONFIG_BT_PRIVACY=y
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_BUF_ACL_TX_SIZE=35
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=35
 CONFIG_BT_ATT_TX_COUNT=6
diff --git a/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj_release.conf b/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj_release.conf
index 299d9942c9e1..49aebcb0fbfe 100644
--- a/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj_release.conf
+++ b/applications/nrf_desktop/configuration/nrf52820dongle_nrf52820/prj_release.conf
@@ -74,10 +74,6 @@ CONFIG_USB_NRFX_EVT_QUEUE_SIZE=30
 CONFIG_BT_PRIVACY=y
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_BUF_ACL_TX_SIZE=35
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=35
 CONFIG_BT_ATT_TX_COUNT=6
diff --git a/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj.conf b/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj.conf
index 21b40ffdca4e..ec2b89bce61a 100644
--- a/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj.conf
+++ b/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj.conf
@@ -76,10 +76,6 @@ CONFIG_USB_NRFX_EVT_QUEUE_SIZE=16
 CONFIG_BT_PRIVACY=y
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_BUF_ACL_TX_SIZE=35
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=35
 CONFIG_BT_ATT_TX_COUNT=6
diff --git a/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj_release.conf b/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj_release.conf
index 021ed40f3170..5378fc305aaf 100644
--- a/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj_release.conf
+++ b/applications/nrf_desktop/configuration/nrf52833dk_nrf52820/prj_release.conf
@@ -75,10 +75,6 @@ CONFIG_USB_NRFX_EVT_QUEUE_SIZE=30
 CONFIG_BT_PRIVACY=y
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_BUF_ACL_TX_SIZE=35
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=35
 CONFIG_BT_ATT_TX_COUNT=6
diff --git a/applications/nrf_desktop/configuration/nrf52833dk_nrf52833/prj_dongle_small.conf b/applications/nrf_desktop/configuration/nrf52833dk_nrf52833/prj_dongle_small.conf
index 54296fdcbfb5..bfb3a479b6a2 100644
--- a/applications/nrf_desktop/configuration/nrf52833dk_nrf52833/prj_dongle_small.conf
+++ b/applications/nrf_desktop/configuration/nrf52833dk_nrf52833/prj_dongle_small.conf
@@ -81,10 +81,6 @@ CONFIG_USB_NRFX_EVT_QUEUE_SIZE=16
 CONFIG_BT_PRIVACY=y
 CONFIG_BT_LL_SW_SPLIT=y
 
-# Optimize Bluetooth controller for size to reduce memory consumption
-CONFIG_BT_CTLR_ADVANCED_FEATURES=y
-CONFIG_BT_CTLR_OPTIMIZE_FOR_SIZE=y
-
 CONFIG_BT_BUF_ACL_TX_SIZE=35
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=35
 CONFIG_BT_ATT_TX_COUNT=6