diff --git a/opts/opts.go b/opts/opts.go
index 48b9d842aa..78059739a8 100644
--- a/opts/opts.go
+++ b/opts/opts.go
@@ -352,7 +352,7 @@ func ValidateHost(val string) (string, error) {
 }
 
 // ParseHost and set defaults for a Daemon host string
-func ParseHost(defaultHTTPHost, val string) (string, error) {
+func ParseHost(val string) (string, error) {
 	host, err := parsers.ParseDockerDaemonHost(DefaultTCPHost, DefaultUnixSocket, val)
 	if err != nil {
 		return val, err
diff --git a/opts/opts_test.go b/opts/opts_test.go
index f1a4bea9f2..0e4e9562e7 100644
--- a/opts/opts_test.go
+++ b/opts/opts_test.go
@@ -458,12 +458,12 @@ func TestParseHost(t *testing.T) {
 	}
 
 	for value, errorMessage := range invalid {
-		if _, err := ParseHost(defaultHTTPHost, value); err == nil || err.Error() != errorMessage {
+		if _, err := ParseHost(value); err == nil || err.Error() != errorMessage {
 			t.Fatalf("Expected an error for %v with [%v], got [%v]", value, errorMessage, err)
 		}
 	}
 	for value, expected := range valid {
-		if actual, err := ParseHost(defaultHTTPHost, value); err != nil || actual != expected {
+		if actual, err := ParseHost(value); err != nil || actual != expected {
 			t.Fatalf("Expected for %v [%v], got [%v, %v]", value, expected, actual, err)
 		}
 	}