diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index a66253fbd..a9205f0b8 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -318,6 +318,15 @@ fast_reauth=1
 # of APs when using ap_scan=1 mode.
 #bss_max_count=200
 
+# BSS expiration age in seconds. A BSS will be removed from the local cache
+# if it is not in use and has not been seen for this time. Default is 180.
+#bss_expiration_age=180
+
+# BSS expiration after number of scans. A BSS will be removed from the local
+# cache if it is not seen in this number of scans.
+# Default is 2.
+#bss_expiration_scan_count=2
+
 # Automatic scan
 # This is an optional set of parameters for automatic scanning
 # within an interface in following format: