diff --git a/doc/releases/release-notes-2.5.rst b/doc/releases/release-notes-2.5.rst
index 72b31ed3ef4..e119df811aa 100644
--- a/doc/releases/release-notes-2.5.rst
+++ b/doc/releases/release-notes-2.5.rst
@@ -101,6 +101,10 @@ Removed APIs in this release
     use BT_LE_SCAN_OPT_FILTER_WHITELIST instead.
   * The deprecated bt_le_scan_param::filter_dup argument has been removed,
     use bt_le_scan_param::options instead.
+  * The deprecated BT_SECURITY_* defines NONE, LOW, MEDIUM, HIGH, FIPS have been
+    removed, use the L0, L1, L2, L3, L4 defines instead.
+  * The deprecated BT_HCI_ERR_AUTHENTICATION_FAIL define has been removed,
+    use BT_HCI_ERR_AUTH_FAIL instead.
 
 Stable API changes in this release
 ==================================
diff --git a/include/bluetooth/conn.h b/include/bluetooth/conn.h
index ae013c9d596..c3a0e3b18ba 100644
--- a/include/bluetooth/conn.h
+++ b/include/bluetooth/conn.h
@@ -733,13 +733,6 @@ typedef enum __packed {
 	BT_SECURITY_L3,
 	/** Level 4: Authenticated Secure Connections and 128-bit key. */
 	BT_SECURITY_L4,
-
-	BT_SECURITY_NONE   __deprecated = BT_SECURITY_L0,
-	BT_SECURITY_LOW    __deprecated = BT_SECURITY_L1,
-	BT_SECURITY_MEDIUM __deprecated = BT_SECURITY_L2,
-	BT_SECURITY_HIGH   __deprecated = BT_SECURITY_L3,
-	BT_SECURITY_FIPS   __deprecated = BT_SECURITY_L4,
-
 	/** Bit to force new pairing procedure, bit-wise OR with requested
 	 *  security level.
 	 */
diff --git a/include/bluetooth/hci_err.h b/include/bluetooth/hci_err.h
index 476d3f4638a..7740d270595 100644
--- a/include/bluetooth/hci_err.h
+++ b/include/bluetooth/hci_err.h
@@ -83,8 +83,6 @@ extern "C" {
 #define BT_HCI_ERR_OP_CANCELLED_BY_HOST         0x44
 #define BT_HCI_ERR_PACKET_TOO_LONG              0x45
 
-#define BT_HCI_ERR_AUTHENTICATION_FAIL __DEPRECATED_MACRO BT_HCI_ERR_AUTH_FAIL
-
 #ifdef __cplusplus
 }
 #endif