diff --git a/control.go b/control.go
index 168ea8a..b62ab9b 100644
--- a/control.go
+++ b/control.go
@@ -84,7 +84,7 @@ func listGames(w http.ResponseWriter, req *http.Request) {
 	for id, g := range games.m {
 		players := make([]pout, 0)
 		// TODO - players instead of robots?
-		for p, _ := range g.players {
+		for p := range g.players {
 			for _, r := range p.Robots {
 				players = append(players, pout{
 					Name: r.Name,
diff --git a/robot.go b/robot.go
index 94adadd..465bd97 100644
--- a/robot.go
+++ b/robot.go
@@ -311,7 +311,7 @@ func (r *Robot) Tick(g *game) {
 
 func (r *Robot) scan(g *game) {
 	r.Scanners = r.Scanners[:0]
-	for player, _ := range g.players {
+	for player := range g.players {
 		for _, bot := range player.Robots {
 			if bot.Id == r.Id || bot.Health <= 0 {
 				continue
@@ -327,7 +327,7 @@ func (r *Robot) scan(g *game) {
 		}
 	}
 
-	for proj, _ := range g.projectiles {
+	for proj := range g.projectiles {
 		if proj.Owner == r {
 			continue
 		}