diff --git a/sysctl.d/50-default.conf b/sysctl.d/50-default.conf
index aff99300d9..e263cf0628 100644
--- a/sysctl.d/50-default.conf
+++ b/sysctl.d/50-default.conf
@@ -22,15 +22,12 @@ kernel.sysrq = 16
 kernel.core_uses_pid = 1
 
 # Source route verification
-net.ipv4.conf.default.rp_filter = 1
 net.ipv4.conf.all.rp_filter = 1
 
 # Do not accept source routing
-net.ipv4.conf.default.accept_source_route = 0
 net.ipv4.conf.all.accept_source_route = 0
 
 # Promote secondary addresses when the primary address is removed
-net.ipv4.conf.default.promote_secondaries = 1
 net.ipv4.conf.all.promote_secondaries = 1
 
 # Fair Queue CoDel packet scheduler to fight bufferbloat