diff --git a/irc/connection_limits/limiter.go b/irc/connection_limits/limiter.go
index c8aea7b0..646aa798 100644
--- a/irc/connection_limits/limiter.go
+++ b/irc/connection_limits/limiter.go
@@ -30,9 +30,9 @@ type customLimit struct {
 }
 
 // LimiterConfig controls the automated connection limits.
-// RawLimiterConfig contains all the YAML-visible fields;
+// rawLimiterConfig contains all the YAML-visible fields;
 // LimiterConfig contains additional denormalized private fields
-type RawLimiterConfig struct {
+type rawLimiterConfig struct {
 	Limit         bool
 	MaxConcurrent int `yaml:"max-concurrent-connections"`
 
@@ -50,7 +50,7 @@ type RawLimiterConfig struct {
 }
 
 type LimiterConfig struct {
-	RawLimiterConfig
+	rawLimiterConfig
 
 	ipv4Mask     net.IPMask
 	ipv6Mask     net.IPMask
@@ -59,7 +59,7 @@ type LimiterConfig struct {
 }
 
 func (config *LimiterConfig) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
-	if err = unmarshal(&config.RawLimiterConfig); err != nil {
+	if err = unmarshal(&config.rawLimiterConfig); err != nil {
 		return err
 	}
 	return config.postprocess()
diff --git a/irc/connection_limits/limiter_test.go b/irc/connection_limits/limiter_test.go
index dfe9139f..c789f2ae 100644
--- a/irc/connection_limits/limiter_test.go
+++ b/irc/connection_limits/limiter_test.go
@@ -18,7 +18,7 @@ func easyParseIP(ipstr string) (result net.IP) {
 }
 
 var baseConfig = LimiterConfig{
-	RawLimiterConfig: RawLimiterConfig{
+	rawLimiterConfig: rawLimiterConfig{
 		Limit:         true,
 		MaxConcurrent: 4,
 
diff --git a/irc/connection_limits/throttler_test.go b/irc/connection_limits/throttler_test.go
index e8fc8687..313a55f0 100644
--- a/irc/connection_limits/throttler_test.go
+++ b/irc/connection_limits/throttler_test.go
@@ -66,7 +66,7 @@ func makeTestThrottler(v4len, v6len int) *Limiter {
 	minute, _ := time.ParseDuration("1m")
 	maxConnections := 3
 	config := LimiterConfig{
-		RawLimiterConfig: RawLimiterConfig{
+		rawLimiterConfig: rawLimiterConfig{
 			Limit:        false,
 			Throttle:     true,
 			CidrLenIPv4:  v4len,