diff --git a/github/configs.go b/github/configs.go
index 90a8d74414eb1924e285c136f341b41aeba46c7a..7822dfaabb0b2ecb682b5e1efaad71b2b7994983 100644
--- a/github/configs.go
+++ b/github/configs.go
@@ -151,7 +151,7 @@ func (c *Configs) DefaultCredentials() (credentials *Credentials) {
 	} else if len(c.Credentials) > 0 {
 		credentials = c.selectCredentials()
 	} else {
-		credentials = c.PromptFor(DefaultHost())
+		credentials = c.PromptFor(defaultHost())
 	}
 
 	return
diff --git a/github/hosts.go b/github/hosts.go
index aa54b3696d029c6a0902f955e67cf3d715cf8d56..8b8288c7edb552895dcd60acc02063c19b8d2eb4 100644
--- a/github/hosts.go
+++ b/github/hosts.go
@@ -23,20 +23,20 @@ func (h Hosts) Include(host string) bool {
 	return false
 }
 
-func KnownHosts() (hosts Hosts) {
+func knownHosts() (hosts Hosts) {
 	ghHosts, _ := git.Config("gh.host")
 	for _, ghHost := range strings.Split(ghHosts, "\n") {
 		hosts = append(hosts, ghHost)
 	}
 
-	defaultHost := DefaultHost()
+	defaultHost := defaultHost()
 	hosts = append(hosts, defaultHost)
 	hosts = append(hosts, fmt.Sprintf("ssh.%s", defaultHost))
 
 	return
 }
 
-func DefaultHost() string {
+func defaultHost() string {
 	defaultHost := GitHubHostEnv
 	if defaultHost == "" {
 		defaultHost = GitHubHost
diff --git a/github/project.go b/github/project.go
index 44f7d69068a8a611001b615b6550509c73e39ceb..ac3011296aa74fdcd12edc24ffb2ff6fe1ea34b4 100644
--- a/github/project.go
+++ b/github/project.go
@@ -127,7 +127,7 @@ func CurrentProject() *Project {
 }
 
 func NewProjectFromURL(url *url.URL) (p *Project, err error) {
-	if !KnownHosts().Include(url.Host) {
+	if !knownHosts().Include(url.Host) {
 		err = fmt.Errorf("Invalid GitHub URL: %s", url)
 		return
 	}