diff --git a/README.md b/README.md
index 92305ca..efca8a0 100644
--- a/README.md
+++ b/README.md
@@ -128,10 +128,6 @@ It's options are as follows:
 
 > generate config for Nokia SR OS classic CLI (Cisco IOS by default).
 
-**-p**
-
-> accept routes registered for private ASNs (default: disabled)
-
 **-r** *len*
 
 > allow more specific routes starting with specified masklen too.
diff --git a/bgpq4.8 b/bgpq4.8
index c4801e0..65d3602 100644
--- a/bgpq4.8
+++ b/bgpq4.8
@@ -109,8 +109,6 @@ extra match conditions for Juniper route-filters.
 generate config for Nokia SR OS MD-CLI (Cisco IOS by default)
 .It Fl N
 generate config for Nokia SR OS classic CLI (Cisco IOS by default).
-.It Fl p
-accept routes registered for private ASNs (default: disabled)
 .It Fl r Ar len
 allow more specific routes starting with specified masklen too.
 .It Fl R Ar len
diff --git a/expander.c b/expander.c
index 422c3c7..5e58e71 100644
--- a/expander.c
+++ b/expander.c
@@ -50,7 +50,6 @@
 
 int debug_expander = 0;
 int pipelining = 1;
-int expand_special_asn = 0;
 
 static inline int
 tentry_cmp(struct sx_tentry *a, struct sx_tentry *b)
@@ -196,8 +195,7 @@ bgpq_expander_add_as(struct bgpq_expander *b, char *as)
 		return 0;
 	}
 
-	if (!expand_special_asn &&
-	    ((asno  >= 4200000000ul) || (asno >= 64496 && asno <= 65551))) {
+	if (asno >= 4200000000ul || (asno >= 64496 && asno <= 65551)) {
 		sx_report(SX_ERROR,"Invalid AS number: %u\n", asno);
 		return 0;
 	}
diff --git a/main.c b/main.c
index 8d96266..aa7b008 100644
--- a/main.c
+++ b/main.c
@@ -45,7 +45,6 @@
 extern int debug_expander;
 extern int debug_aggregation;
 extern int pipelining;
-extern int expand_special_asn;
 
 static int
 usage(int ecode)
@@ -197,7 +196,7 @@ main(int argc, char* argv[])
 		expander.sources=getenv("IRRD_SOURCES");
 
 	while ((c = getopt(argc, argv,
-	    "46a:AbBdDEeF:S:jJKf:l:L:m:M:NnW:pr:R:G:H:tTh:UuwXsvz")) != EOF) {
+	    "46a:AbBdDEeF:S:jJKf:l:L:m:M:NnW:r:R:G:H:tTh:UuwXsvz")) != EOF) {
 	switch (c) {
 	case '4':
 		/* do nothing, expander already configured for IPv4 */
@@ -299,9 +298,6 @@ main(int argc, char* argv[])
 			vendor_exclusive();
 		expander.vendor = V_MIKROTIK;
 		break;
-	case 'p':
-		expand_special_asn = 1;
-		break;
 	case 'r':
 		refineLow = strtoul(optarg, NULL, 10);
 		if (!refineLow) {