diff --git a/applications/connectivity_bridge/prj.conf b/applications/connectivity_bridge/prj.conf
index 87891357d10a..0c3793953482 100644
--- a/applications/connectivity_bridge/prj.conf
+++ b/applications/connectivity_bridge/prj.conf
@@ -99,7 +99,6 @@ CONFIG_BT_NUS=y
 CONFIG_BT_GATT_CLIENT=y
 CONFIG_BT_SMP=y
 CONFIG_BT_CTLR=y
-CONFIG_BT_CTLR_RX_BUFFERS=10
 CONFIG_BT_BUF_ACL_TX_COUNT=10
 CONFIG_BT_BUF_ACL_TX_SIZE=251
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=251
diff --git a/doc/nrf/test_and_optimize/optimizing/memory.rst b/doc/nrf/test_and_optimize/optimizing/memory.rst
index bf352d77e3cc..03b3c8f0609a 100644
--- a/doc/nrf/test_and_optimize/optimizing/memory.rst
+++ b/doc/nrf/test_and_optimize/optimizing/memory.rst
@@ -62,7 +62,6 @@ Besides applying `General recommendations`_, you can also complete the following
   * :kconfig:option:`CONFIG_BT_BUF_EVT_RX_COUNT`
   * :kconfig:option:`CONFIG_BT_CONN_TX_MAX`
   * :kconfig:option:`CONFIG_BT_L2CAP_TX_BUF_COUNT`
-  * :kconfig:option:`CONFIG_BT_CTLR_RX_BUFFERS`
   * :kconfig:option:`CONFIG_BT_BUF_ACL_TX_COUNT`
   * :kconfig:option:`CONFIG_BT_BUF_ACL_TX_SIZE`
 
diff --git a/samples/bluetooth/peripheral_lbs/prj_minimal.conf b/samples/bluetooth/peripheral_lbs/prj_minimal.conf
index 41d943b85279..a5d1829bfe9f 100644
--- a/samples/bluetooth/peripheral_lbs/prj_minimal.conf
+++ b/samples/bluetooth/peripheral_lbs/prj_minimal.conf
@@ -106,6 +106,5 @@ CONFIG_BT_BUF_EVT_RX_COUNT=2
 
 CONFIG_BT_CONN_TX_MAX=2
 CONFIG_BT_L2CAP_TX_BUF_COUNT=2
-CONFIG_BT_CTLR_RX_BUFFERS=1
 CONFIG_BT_BUF_ACL_TX_COUNT=3
 CONFIG_BT_BUF_ACL_TX_SIZE=27
diff --git a/samples/bluetooth/peripheral_uart/prj_minimal.conf b/samples/bluetooth/peripheral_uart/prj_minimal.conf
index 00c71da9218c..a6357601baaf 100644
--- a/samples/bluetooth/peripheral_uart/prj_minimal.conf
+++ b/samples/bluetooth/peripheral_uart/prj_minimal.conf
@@ -126,6 +126,5 @@ CONFIG_BT_BUF_EVT_RX_COUNT=2
 
 CONFIG_BT_CONN_TX_MAX=2
 CONFIG_BT_L2CAP_TX_BUF_COUNT=2
-CONFIG_BT_CTLR_RX_BUFFERS=1
 CONFIG_BT_BUF_ACL_TX_COUNT=3
 CONFIG_BT_BUF_ACL_TX_SIZE=27
diff --git a/samples/bluetooth/throughput/prj.conf b/samples/bluetooth/throughput/prj.conf
index 484e54889e28..dcd83dbe140a 100644
--- a/samples/bluetooth/throughput/prj.conf
+++ b/samples/bluetooth/throughput/prj.conf
@@ -41,7 +41,6 @@ CONFIG_BT_BUF_ACL_TX_SIZE=502
 CONFIG_BT_CTLR_DATA_LENGTH_MAX=251
 CONFIG_BT_CTLR_PHY_2M=y
 CONFIG_BT_CTLR_PHY_CODED=y
-CONFIG_BT_CTLR_RX_BUFFERS=2
 CONFIG_BT_CTLR_SDC_MAX_CONN_EVENT_LEN_DEFAULT=4000000
 
 CONFIG_DK_LIBRARY=y